HEADER    OXIDOREDUCTASE                          30-JUL-04   1U6K              
TITLE     TLS REFINEMENT OF THE STRUCTURE OF SE-METHIONINE LABELLED COENZYME    
TITLE    2 F420-DEPENDENT METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE (MTD)  
TITLE    3 FROM METHANOPYRUS KANDLERI                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: F420-DEPENDENT METHYLENETETRAHYDROMETHANOPTERIN            
COMPND   3 DEHYDROGENASE;                                                       
COMPND   4 CHAIN: A, B, C;                                                      
COMPND   5 SYNONYM: MTD, COENZYME F420 DEPENDENT N5,N10-                        
COMPND   6 METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE;                      
COMPND   7 EC: 1.5.99.9;                                                        
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: METHANOPYRUS KANDLERI;                          
SOURCE   3 ORGANISM_TAXID: 2320;                                                
SOURCE   4 GENE: MTD;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET17B                                    
KEYWDS    MONOMER: ALPHA/BETA DOMAIN, HELIX BUNDLE; TRIMER OF DIMERS,           
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.WARKENTIN,C.H.HAGEMEIER,S.SHIMA,R.K.THAUER,U.ERMLER                 
REVDAT   5   30-OCT-24 1U6K    1       REMARK                                   
REVDAT   4   21-DEC-22 1U6K    1       REMARK SEQADV LINK                       
REVDAT   3   13-JUL-11 1U6K    1       VERSN                                    
REVDAT   2   24-FEB-09 1U6K    1       VERSN                                    
REVDAT   1   01-FEB-05 1U6K    0                                                
JRNL        AUTH   E.WARKENTIN,C.H.HAGEMEIER,S.SHIMA,R.K.THAUER,U.ERMLER        
JRNL        TITL   THE STRUCTURE OF F420-DEPENDENT                              
JRNL        TITL 2 METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE: A            
JRNL        TITL 3 CRYSTALLOGRAPHIC 'SUPERSTRUCTURE' OF THE                     
JRNL        TITL 4 SELENOMETHIONINE-LABELLED PROTEIN CRYSTAL STRUCTURE.         
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  61   198 2005              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15681872                                                     
JRNL        DOI    10.1107/S0907444904030732                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.H.HAGEMEIER,S.SHIMA,R.K.THAUER,G.BOURENKOV,H.D.BARTUNIK,   
REMARK   1  AUTH 2 U.ERMLER                                                     
REMARK   1  TITL   COENZYME F420-DEPENDENT METHYLENETETRAHYDROMETHANOPTERIN     
REMARK   1  TITL 2 DEHYDROGENASE (MTD) FROM METHANOPYRUS KANDLERI: A            
REMARK   1  TITL 3 METHANOGENIC ENZYME WITH AN UNUSUAL QUARTERNARY STRUCTURE.   
REMARK   1  REF    J.MOL.BIOL.                   V. 332  1047 2003              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   14499608                                                     
REMARK   1  DOI    10.1016/S0022-2836(03)00949-5                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 135825                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.178                           
REMARK   3   FREE R VALUE                     : 0.195                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 7207                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.55                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.59                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 10052                        
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2220                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 526                          
REMARK   3   BIN FREE R VALUE                    : 0.2320                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6546                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 580                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 13.91                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.48000                                              
REMARK   3    B22 (A**2) : -1.72000                                             
REMARK   3    B33 (A**2) : -0.76000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.073         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.071         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.049         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.372         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.958                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6759 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9112 ; 1.778 ; 1.993       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   843 ; 2.098 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1032 ; 0.133 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5044 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  3397 ; 0.236 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   504 ; 0.148 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     4 ; 0.070 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):   295 ; 0.291 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    63 ; 0.172 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  4262 ; 0.588 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6890 ; 1.148 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2497 ; 2.352 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2222 ; 3.733 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     2        C   283                          
REMARK   3    ORIGIN FOR THE GROUP (A):  55.7813  43.7867  32.3101              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0023 T22:   0.1224                                     
REMARK   3      T33:   0.0818 T12:   0.0022                                     
REMARK   3      T13:   0.0137 T23:   0.0088                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1960 L22:   1.2359                                     
REMARK   3      L33:   0.5923 L12:   0.0531                                     
REMARK   3      L13:   0.0142 L23:   0.1035                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0095 S12:  -0.0224 S13:  -0.0656                       
REMARK   3      S21:   0.1053 S22:   0.0089 S23:   0.0964                       
REMARK   3      S31:   0.0626 S32:  -0.0641 S33:   0.0007                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1U6K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-AUG-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000023308.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUL-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9792, 0.9797, 0.95               
REMARK 200  MONOCHROMATOR                  : DIAMOND                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 145808                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.540                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.62                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHELXD, SHARP                                         
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.40                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MOPS, KOH, MPD, PEG 400, MG ACETATE,     
REMARK 280  NA PHOSPHATE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE    
REMARK 280  277K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       60.05000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       75.60000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       60.05000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       75.60000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       55.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       60.05000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       75.60000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       55.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       60.05000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       75.60000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 29870 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 51280 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -214.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000      120.10000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       55.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A4581  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MSE A     1                                                      
REMARK 465     MSE B     1                                                      
REMARK 465     MSE C     1                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CE   MSE C   279     O    HOH B  4363     3655     2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    MSE A 109   CA    MSE A 109   CB      0.165                       
REMARK 500    MSE B  86   CA    MSE B  86   CB     -0.235                       
REMARK 500    MSE B 200   CA    MSE B 200   CB      0.158                       
REMARK 500    MSE C  86   CA    MSE C  86   CB     -0.150                       
REMARK 500    MSE C 124   CA    MSE C 124   CB      0.143                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 252   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    MSE B  86   N   -  CA  -  CB  ANGL. DEV. =  14.1 DEGREES          
REMARK 500    MSE B 200   N   -  CA  -  CB  ANGL. DEV. = -11.5 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  25       66.21   -156.49                                   
REMARK 500    SER A  41     -137.88     59.44                                   
REMARK 500    ASN A  74       82.15     38.40                                   
REMARK 500    VAL A 223      -62.25   -100.90                                   
REMARK 500    ARG A 276      -50.59   -126.98                                   
REMARK 500    VAL B   3       88.46     55.40                                   
REMARK 500    ASP B  25       62.52   -152.81                                   
REMARK 500    SER B  41     -141.00     61.43                                   
REMARK 500    ASN B  74       83.42     35.55                                   
REMARK 500    ASP B  99     -168.72   -107.35                                   
REMARK 500    ASP B 171       20.91     42.53                                   
REMARK 500    ASP C  25       64.38   -159.62                                   
REMARK 500    SER C  41     -139.64     66.26                                   
REMARK 500    ASN C  74       84.34     44.68                                   
REMARK 500    ASP C  99     -167.00   -102.96                                   
REMARK 500    GLU C 172       89.95   -154.73                                   
REMARK 500    ARG C 276      -51.71   -122.33                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A5001  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A4009   O                                                      
REMARK 620 2 HOH A4014   O    91.3                                              
REMARK 620 3 HOH A4025   O   178.0  87.1                                        
REMARK 620 4 HOH A4034   O    91.7 174.2  89.9                                  
REMARK 620 5 HOH A4487   O    87.8  86.5  90.9  88.6                            
REMARK 620 6 HOH B4046   O    87.9  90.0  93.3  95.1 174.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A5002  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A4036   O                                                      
REMARK 620 2 HOH A4089   O    89.4                                              
REMARK 620 3 HOH A4190   O   176.4  87.8                                        
REMARK 620 4 HOH A4488   O    91.5  98.2  86.7                                  
REMARK 620 5 HOH B4057   O    96.4  89.6  85.8 169.0                            
REMARK 620 6 HOH B4081   O    87.2 172.8  95.8  88.3  84.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A5003  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A4091   O                                                      
REMARK 620 2 HOH A4210   O    79.5                                              
REMARK 620 3 HOH A4213   O   174.5  97.3                                        
REMARK 620 4 HOH A4510   O    88.9  88.6  86.5                                  
REMARK 620 5 HOH B4184   O    90.4 169.8  92.6  89.6                            
REMARK 620 6 HOH B4299   O    90.7  94.2  94.1 177.1  87.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A5004  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A4178   O                                                      
REMARK 620 2 HOH A4180   O    99.3                                              
REMARK 620 3 HOH A4279   O    87.9 172.5                                        
REMARK 620 4 HOH A4361   O    87.2  87.3  91.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 5001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 5002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 5003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 5004                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QV9   RELATED DB: PDB                                   
REMARK 900 SE-METHIONINE DERIVATIVE                                             
REMARK 900 RELATED ID: 1U6I   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1U5J   RELATED DB: PDB                                   
DBREF  1U6K A    2   283  UNP    P94951   MTD_METKA        1    282             
DBREF  1U6K B    2   283  UNP    P94951   MTD_METKA        1    282             
DBREF  1U6K C    2   283  UNP    P94951   MTD_METKA        1    282             
SEQADV 1U6K MSE A    1  UNP  P94951              INITIATING METHIONINE          
SEQADV 1U6K MSE A   18  UNP  P94951    MET    17 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   19  UNP  P94951    MET    18 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   20  UNP  P94951    MET    19 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   22  UNP  P94951    MET    21 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   44  UNP  P94951    MET    43 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   55  UNP  P94951    MET    54 MODIFIED RESIDUE               
SEQADV 1U6K MSE A   86  UNP  P94951    MET    85 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  109  UNP  P94951    MET   108 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  124  UNP  P94951    MET   123 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  137  UNP  P94951    MET   136 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  145  UNP  P94951    MET   144 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  200  UNP  P94951    MET   199 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  204  UNP  P94951    MET   203 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  240  UNP  P94951    MET   239 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  241  UNP  P94951    MET   240 MODIFIED RESIDUE               
SEQADV 1U6K MSE A  279  UNP  P94951    MET   278 MODIFIED RESIDUE               
SEQADV 1U6K MSE B    1  UNP  P94951              INITIATING METHIONINE          
SEQADV 1U6K MSE B   18  UNP  P94951    MET    17 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   19  UNP  P94951    MET    18 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   20  UNP  P94951    MET    19 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   22  UNP  P94951    MET    21 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   44  UNP  P94951    MET    43 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   55  UNP  P94951    MET    54 MODIFIED RESIDUE               
SEQADV 1U6K MSE B   86  UNP  P94951    MET    85 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  109  UNP  P94951    MET   108 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  124  UNP  P94951    MET   123 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  137  UNP  P94951    MET   136 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  145  UNP  P94951    MET   144 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  200  UNP  P94951    MET   199 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  204  UNP  P94951    MET   203 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  240  UNP  P94951    MET   239 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  241  UNP  P94951    MET   240 MODIFIED RESIDUE               
SEQADV 1U6K MSE B  279  UNP  P94951    MET   278 MODIFIED RESIDUE               
SEQADV 1U6K MSE C    1  UNP  P94951              INITIATING METHIONINE          
SEQADV 1U6K MSE C   18  UNP  P94951    MET    17 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   19  UNP  P94951    MET    18 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   20  UNP  P94951    MET    19 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   22  UNP  P94951    MET    21 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   44  UNP  P94951    MET    43 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   55  UNP  P94951    MET    54 MODIFIED RESIDUE               
SEQADV 1U6K MSE C   86  UNP  P94951    MET    85 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  109  UNP  P94951    MET   108 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  124  UNP  P94951    MET   123 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  137  UNP  P94951    MET   136 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  145  UNP  P94951    MET   144 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  200  UNP  P94951    MET   199 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  204  UNP  P94951    MET   203 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  240  UNP  P94951    MET   239 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  241  UNP  P94951    MET   240 MODIFIED RESIDUE               
SEQADV 1U6K MSE C  279  UNP  P94951    MET   278 MODIFIED RESIDUE               
SEQRES   1 A  283  MSE THR VAL ALA LYS ALA ILE PHE ILE LYS CYS GLY ASN          
SEQRES   2 A  283  LEU GLY THR SER MSE MSE MSE ASP MSE LEU LEU ASP GLU          
SEQRES   3 A  283  ARG ALA ASP ARG GLU ASP VAL GLU PHE ARG VAL VAL GLY          
SEQRES   4 A  283  THR SER VAL LYS MSE ASP PRO GLU CYS VAL GLU ALA ALA          
SEQRES   5 A  283  VAL GLU MSE ALA LEU ASP ILE ALA GLU ASP PHE GLU PRO          
SEQRES   6 A  283  ASP PHE ILE VAL TYR GLY GLY PRO ASN PRO ALA ALA PRO          
SEQRES   7 A  283  GLY PRO SER LYS ALA ARG GLU MSE LEU ALA ASP SER GLU          
SEQRES   8 A  283  TYR PRO ALA VAL ILE ILE GLY ASP ALA PRO GLY LEU LYS          
SEQRES   9 A  283  VAL LYS ASP GLU MSE GLU GLU GLN GLY LEU GLY TYR ILE          
SEQRES  10 A  283  LEU VAL LYS PRO ASP ALA MSE LEU GLY ALA ARG ARG GLU          
SEQRES  11 A  283  PHE LEU ASP PRO VAL GLU MSE ALA ILE TYR ASN ALA ASP          
SEQRES  12 A  283  LEU MSE LYS VAL LEU ALA ALA THR GLY VAL PHE ARG VAL          
SEQRES  13 A  283  VAL GLN GLU ALA PHE ASP GLU LEU ILE GLU LYS ALA LYS          
SEQRES  14 A  283  GLU ASP GLU ILE SER GLU ASN ASP LEU PRO LYS LEU VAL          
SEQRES  15 A  283  ILE ASP ARG ASN THR LEU LEU GLU ARG GLU GLU PHE GLU          
SEQRES  16 A  283  ASN PRO TYR ALA MSE VAL LYS ALA MSE ALA ALA LEU GLU          
SEQRES  17 A  283  ILE ALA GLU ASN VAL ALA ASP VAL SER VAL GLU GLY CYS          
SEQRES  18 A  283  PHE VAL GLU GLN ASP LYS GLU ARG TYR VAL PRO ILE VAL          
SEQRES  19 A  283  ALA SER ALA HIS GLU MSE MSE ARG LYS ALA ALA GLU LEU          
SEQRES  20 A  283  ALA ASP GLU ALA ARG GLU LEU GLU LYS SER ASN ASP ALA          
SEQRES  21 A  283  VAL LEU ARG THR PRO HIS ALA PRO ASP GLY LYS VAL LEU          
SEQRES  22 A  283  SER LYS ARG LYS PHE MSE GLU ASP PRO GLU                      
SEQRES   1 B  283  MSE THR VAL ALA LYS ALA ILE PHE ILE LYS CYS GLY ASN          
SEQRES   2 B  283  LEU GLY THR SER MSE MSE MSE ASP MSE LEU LEU ASP GLU          
SEQRES   3 B  283  ARG ALA ASP ARG GLU ASP VAL GLU PHE ARG VAL VAL GLY          
SEQRES   4 B  283  THR SER VAL LYS MSE ASP PRO GLU CYS VAL GLU ALA ALA          
SEQRES   5 B  283  VAL GLU MSE ALA LEU ASP ILE ALA GLU ASP PHE GLU PRO          
SEQRES   6 B  283  ASP PHE ILE VAL TYR GLY GLY PRO ASN PRO ALA ALA PRO          
SEQRES   7 B  283  GLY PRO SER LYS ALA ARG GLU MSE LEU ALA ASP SER GLU          
SEQRES   8 B  283  TYR PRO ALA VAL ILE ILE GLY ASP ALA PRO GLY LEU LYS          
SEQRES   9 B  283  VAL LYS ASP GLU MSE GLU GLU GLN GLY LEU GLY TYR ILE          
SEQRES  10 B  283  LEU VAL LYS PRO ASP ALA MSE LEU GLY ALA ARG ARG GLU          
SEQRES  11 B  283  PHE LEU ASP PRO VAL GLU MSE ALA ILE TYR ASN ALA ASP          
SEQRES  12 B  283  LEU MSE LYS VAL LEU ALA ALA THR GLY VAL PHE ARG VAL          
SEQRES  13 B  283  VAL GLN GLU ALA PHE ASP GLU LEU ILE GLU LYS ALA LYS          
SEQRES  14 B  283  GLU ASP GLU ILE SER GLU ASN ASP LEU PRO LYS LEU VAL          
SEQRES  15 B  283  ILE ASP ARG ASN THR LEU LEU GLU ARG GLU GLU PHE GLU          
SEQRES  16 B  283  ASN PRO TYR ALA MSE VAL LYS ALA MSE ALA ALA LEU GLU          
SEQRES  17 B  283  ILE ALA GLU ASN VAL ALA ASP VAL SER VAL GLU GLY CYS          
SEQRES  18 B  283  PHE VAL GLU GLN ASP LYS GLU ARG TYR VAL PRO ILE VAL          
SEQRES  19 B  283  ALA SER ALA HIS GLU MSE MSE ARG LYS ALA ALA GLU LEU          
SEQRES  20 B  283  ALA ASP GLU ALA ARG GLU LEU GLU LYS SER ASN ASP ALA          
SEQRES  21 B  283  VAL LEU ARG THR PRO HIS ALA PRO ASP GLY LYS VAL LEU          
SEQRES  22 B  283  SER LYS ARG LYS PHE MSE GLU ASP PRO GLU                      
SEQRES   1 C  283  MSE THR VAL ALA LYS ALA ILE PHE ILE LYS CYS GLY ASN          
SEQRES   2 C  283  LEU GLY THR SER MSE MSE MSE ASP MSE LEU LEU ASP GLU          
SEQRES   3 C  283  ARG ALA ASP ARG GLU ASP VAL GLU PHE ARG VAL VAL GLY          
SEQRES   4 C  283  THR SER VAL LYS MSE ASP PRO GLU CYS VAL GLU ALA ALA          
SEQRES   5 C  283  VAL GLU MSE ALA LEU ASP ILE ALA GLU ASP PHE GLU PRO          
SEQRES   6 C  283  ASP PHE ILE VAL TYR GLY GLY PRO ASN PRO ALA ALA PRO          
SEQRES   7 C  283  GLY PRO SER LYS ALA ARG GLU MSE LEU ALA ASP SER GLU          
SEQRES   8 C  283  TYR PRO ALA VAL ILE ILE GLY ASP ALA PRO GLY LEU LYS          
SEQRES   9 C  283  VAL LYS ASP GLU MSE GLU GLU GLN GLY LEU GLY TYR ILE          
SEQRES  10 C  283  LEU VAL LYS PRO ASP ALA MSE LEU GLY ALA ARG ARG GLU          
SEQRES  11 C  283  PHE LEU ASP PRO VAL GLU MSE ALA ILE TYR ASN ALA ASP          
SEQRES  12 C  283  LEU MSE LYS VAL LEU ALA ALA THR GLY VAL PHE ARG VAL          
SEQRES  13 C  283  VAL GLN GLU ALA PHE ASP GLU LEU ILE GLU LYS ALA LYS          
SEQRES  14 C  283  GLU ASP GLU ILE SER GLU ASN ASP LEU PRO LYS LEU VAL          
SEQRES  15 C  283  ILE ASP ARG ASN THR LEU LEU GLU ARG GLU GLU PHE GLU          
SEQRES  16 C  283  ASN PRO TYR ALA MSE VAL LYS ALA MSE ALA ALA LEU GLU          
SEQRES  17 C  283  ILE ALA GLU ASN VAL ALA ASP VAL SER VAL GLU GLY CYS          
SEQRES  18 C  283  PHE VAL GLU GLN ASP LYS GLU ARG TYR VAL PRO ILE VAL          
SEQRES  19 C  283  ALA SER ALA HIS GLU MSE MSE ARG LYS ALA ALA GLU LEU          
SEQRES  20 C  283  ALA ASP GLU ALA ARG GLU LEU GLU LYS SER ASN ASP ALA          
SEQRES  21 C  283  VAL LEU ARG THR PRO HIS ALA PRO ASP GLY LYS VAL LEU          
SEQRES  22 C  283  SER LYS ARG LYS PHE MSE GLU ASP PRO GLU                      
MODRES 1U6K MSE A   18  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   19  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   20  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   22  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   44  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   55  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A   86  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  109  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  124  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  137  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  145  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  200  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  204  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  240  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  241  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE A  279  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   18  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   19  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   20  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   22  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   44  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   55  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B   86  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  109  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  124  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  137  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  145  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  200  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  204  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  240  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  241  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE B  279  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   18  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   19  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   20  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   22  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   44  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   55  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C   86  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  109  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  124  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  137  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  145  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  200  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  204  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  240  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  241  MET  SELENOMETHIONINE                                   
MODRES 1U6K MSE C  279  MET  SELENOMETHIONINE                                   
HET    MSE  A  18      12                                                       
HET    MSE  A  19      12                                                       
HET    MSE  A  20       8                                                       
HET    MSE  A  22      12                                                       
HET    MSE  A  44       8                                                       
HET    MSE  A  55      12                                                       
HET    MSE  A  86      12                                                       
HET    MSE  A 109      12                                                       
HET    MSE  A 124      12                                                       
HET    MSE  A 137      12                                                       
HET    MSE  A 145       8                                                       
HET    MSE  A 200       8                                                       
HET    MSE  A 204       8                                                       
HET    MSE  A 240       8                                                       
HET    MSE  A 241       8                                                       
HET    MSE  A 279       8                                                       
HET    MSE  B  18      12                                                       
HET    MSE  B  19      12                                                       
HET    MSE  B  20       8                                                       
HET    MSE  B  22      12                                                       
HET    MSE  B  44       8                                                       
HET    MSE  B  55      12                                                       
HET    MSE  B  86      12                                                       
HET    MSE  B 109       8                                                       
HET    MSE  B 124      12                                                       
HET    MSE  B 137      12                                                       
HET    MSE  B 145      12                                                       
HET    MSE  B 200      12                                                       
HET    MSE  B 204       8                                                       
HET    MSE  B 240       8                                                       
HET    MSE  B 241      12                                                       
HET    MSE  B 279       8                                                       
HET    MSE  C  18      12                                                       
HET    MSE  C  19       8                                                       
HET    MSE  C  20       8                                                       
HET    MSE  C  22      12                                                       
HET    MSE  C  44       8                                                       
HET    MSE  C  55      12                                                       
HET    MSE  C  86      12                                                       
HET    MSE  C 109      12                                                       
HET    MSE  C 124      12                                                       
HET    MSE  C 137      12                                                       
HET    MSE  C 145       8                                                       
HET    MSE  C 200       8                                                       
HET    MSE  C 204       8                                                       
HET    MSE  C 240       8                                                       
HET    MSE  C 241       8                                                       
HET    MSE  C 279      10                                                       
HET     MG  A5001       1                                                       
HET     MG  A5002       1                                                       
HET     MG  A5003       1                                                       
HET     MG  A5004       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   1  MSE    48(C5 H11 N O2 SE)                                           
FORMUL   4   MG    4(MG 2+)                                                     
FORMUL   8  HOH   *580(H2 O)                                                    
HELIX    1   1 LEU A   14  MSE A   20  1                                   7    
HELIX    2   2 ASP A   21  ASP A   25  5                                   5    
HELIX    3   3 ASP A   45  GLU A   64  1                                  20    
HELIX    4   4 ALA A   77  ASP A   89  1                                  13    
HELIX    5   5 PRO A  101  LYS A  104  5                                   4    
HELIX    6   6 VAL A  105  GLN A  112  1                                   8    
HELIX    7   7 ASP A  133  THR A  151  1                                  19    
HELIX    8   8 GLY A  152  GLU A  170  1                                  19    
HELIX    9   9 SER A  174  LEU A  178  5                                   5    
HELIX   10  10 ASP A  184  ARG A  191  5                                   8    
HELIX   11  11 ASN A  196  VAL A  223  1                                  28    
HELIX   12  12 ASP A  226  ASN A  258  1                                  33    
HELIX   13  13 LEU B   14  MSE B   20  1                                   7    
HELIX   14  14 ASP B   21  ASP B   25  5                                   5    
HELIX   15  15 ASP B   45  GLU B   64  1                                  20    
HELIX   16  16 ALA B   77  ASP B   89  1                                  13    
HELIX   17  17 PRO B  101  LYS B  104  5                                   4    
HELIX   18  18 VAL B  105  GLN B  112  1                                   8    
HELIX   19  19 ASP B  133  THR B  151  1                                  19    
HELIX   20  20 GLY B  152  GLU B  170  1                                  19    
HELIX   21  21 SER B  174  LEU B  178  5                                   5    
HELIX   22  22 ASP B  184  ARG B  191  5                                   8    
HELIX   23  23 ASN B  196  VAL B  223  1                                  28    
HELIX   24  24 ASP B  226  ASN B  258  1                                  33    
HELIX   25  25 LEU C   14  MSE C   20  1                                   7    
HELIX   26  26 ASP C   21  ASP C   25  5                                   5    
HELIX   27  27 ASP C   45  GLU C   64  1                                  20    
HELIX   28  28 ALA C   77  SER C   90  1                                  14    
HELIX   29  29 ASP C   99  LYS C  104  5                                   6    
HELIX   30  30 VAL C  105  GLN C  112  1                                   8    
HELIX   31  31 ASP C  133  THR C  151  1                                  19    
HELIX   32  32 GLY C  152  LYS C  169  1                                  18    
HELIX   33  33 SER C  174  LEU C  178  5                                   5    
HELIX   34  34 ASP C  184  ARG C  191  5                                   8    
HELIX   35  35 ASN C  196  VAL C  223  1                                  28    
HELIX   36  36 ASP C  226  ASN C  258  1                                  33    
SHEET    1   A 6 VAL A  33  GLY A  39  0                                        
SHEET    2   A 6 ALA A   4  LYS A  10  1  N  PHE A   8   O  ARG A  36           
SHEET    3   A 6 PHE A  67  GLY A  71  1  O  VAL A  69   N  ILE A   9           
SHEET    4   A 6 ALA A  94  ASP A  99  1  O  ILE A  97   N  TYR A  70           
SHEET    5   A 6 GLY A 115  VAL A 119  1  O  VAL A 119   N  GLY A  98           
SHEET    6   A 6 LYS A 180  ILE A 183  1  O  ILE A 183   N  LEU A 118           
SHEET    1   B 6 VAL B  33  SER B  41  0                                        
SHEET    2   B 6 ALA B   4  CYS B  11  1  N  PHE B   8   O  ARG B  36           
SHEET    3   B 6 PHE B  67  GLY B  71  1  O  VAL B  69   N  ILE B   9           
SHEET    4   B 6 ALA B  94  ASP B  99  1  O  ILE B  97   N  TYR B  70           
SHEET    5   B 6 GLY B 115  VAL B 119  1  O  GLY B 115   N  ALA B  94           
SHEET    6   B 6 LYS B 180  ILE B 183  1  O  ILE B 183   N  LEU B 118           
SHEET    1   C 6 VAL C  33  SER C  41  0                                        
SHEET    2   C 6 ALA C   4  CYS C  11  1  N  PHE C   8   O  VAL C  38           
SHEET    3   C 6 PHE C  67  GLY C  71  1  O  VAL C  69   N  ILE C   9           
SHEET    4   C 6 ALA C  94  GLY C  98  1  O  ILE C  97   N  TYR C  70           
SHEET    5   C 6 GLY C 115  VAL C 119  1  O  VAL C 119   N  GLY C  98           
SHEET    6   C 6 LYS C 180  ILE C 183  1  O  ILE C 183   N  LEU C 118           
LINK         C   SER A  17                 N   MSE A  18     1555   1555  1.34  
LINK         C   MSE A  18                 N   MSE A  19     1555   1555  1.34  
LINK         C   MSE A  19                 N   MSE A  20     1555   1555  1.33  
LINK         C   MSE A  20                 N   ASP A  21     1555   1555  1.34  
LINK         C   ASP A  21                 N   MSE A  22     1555   1555  1.33  
LINK         C   MSE A  22                 N   LEU A  23     1555   1555  1.33  
LINK         C   LYS A  43                 N   MSE A  44     1555   1555  1.32  
LINK         C   MSE A  44                 N   ASP A  45     1555   1555  1.33  
LINK         C   GLU A  54                 N   MSE A  55     1555   1555  1.34  
LINK         C   MSE A  55                 N   ALA A  56     1555   1555  1.33  
LINK         C   GLU A  85                 N   MSE A  86     1555   1555  1.33  
LINK         C   MSE A  86                 N   LEU A  87     1555   1555  1.33  
LINK         C   GLU A 108                 N   MSE A 109     1555   1555  1.33  
LINK         C   MSE A 109                 N   GLU A 110     1555   1555  1.33  
LINK         C   ALA A 123                 N   MSE A 124     1555   1555  1.33  
LINK         C   MSE A 124                 N   LEU A 125     1555   1555  1.33  
LINK         C   GLU A 136                 N   MSE A 137     1555   1555  1.34  
LINK         C   MSE A 137                 N   ALA A 138     1555   1555  1.32  
LINK         C   LEU A 144                 N   MSE A 145     1555   1555  1.34  
LINK         C   MSE A 145                 N   LYS A 146     1555   1555  1.34  
LINK         C   ALA A 199                 N   MSE A 200     1555   1555  1.35  
LINK         C   MSE A 200                 N   VAL A 201     1555   1555  1.33  
LINK         C   ALA A 203                 N   MSE A 204     1555   1555  1.34  
LINK         C   MSE A 204                 N   ALA A 205     1555   1555  1.33  
LINK         C   GLU A 239                 N   MSE A 240     1555   1555  1.33  
LINK         C   MSE A 240                 N   MSE A 241     1555   1555  1.33  
LINK         C   MSE A 241                 N   ARG A 242     1555   1555  1.33  
LINK         C   PHE A 278                 N   MSE A 279     1555   1555  1.33  
LINK         C   MSE A 279                 N   GLU A 280     1555   1555  1.33  
LINK         C   SER B  17                 N   MSE B  18     1555   1555  1.33  
LINK         C   MSE B  18                 N   MSE B  19     1555   1555  1.33  
LINK         C   MSE B  19                 N   MSE B  20     1555   1555  1.33  
LINK         C   MSE B  20                 N   ASP B  21     1555   1555  1.32  
LINK         C   ASP B  21                 N   MSE B  22     1555   1555  1.33  
LINK         C   MSE B  22                 N   LEU B  23     1555   1555  1.33  
LINK         C   LYS B  43                 N   MSE B  44     1555   1555  1.33  
LINK         C   MSE B  44                 N   ASP B  45     1555   1555  1.33  
LINK         C   GLU B  54                 N   MSE B  55     1555   1555  1.33  
LINK         C   MSE B  55                 N   ALA B  56     1555   1555  1.33  
LINK         C   GLU B  85                 N   MSE B  86     1555   1555  1.34  
LINK         C   MSE B  86                 N   LEU B  87     1555   1555  1.33  
LINK         C   GLU B 108                 N   MSE B 109     1555   1555  1.33  
LINK         C   MSE B 109                 N   GLU B 110     1555   1555  1.33  
LINK         C   ALA B 123                 N   MSE B 124     1555   1555  1.33  
LINK         C   MSE B 124                 N   LEU B 125     1555   1555  1.33  
LINK         C   GLU B 136                 N   MSE B 137     1555   1555  1.33  
LINK         C   MSE B 137                 N   ALA B 138     1555   1555  1.33  
LINK         C   LEU B 144                 N   MSE B 145     1555   1555  1.33  
LINK         C   MSE B 145                 N   LYS B 146     1555   1555  1.34  
LINK         C   ALA B 199                 N   MSE B 200     1555   1555  1.34  
LINK         C   MSE B 200                 N   VAL B 201     1555   1555  1.33  
LINK         C   ALA B 203                 N   MSE B 204     1555   1555  1.33  
LINK         C   MSE B 204                 N   ALA B 205     1555   1555  1.34  
LINK         C   GLU B 239                 N   MSE B 240     1555   1555  1.34  
LINK         C   MSE B 240                 N   MSE B 241     1555   1555  1.32  
LINK         C   MSE B 241                 N   ARG B 242     1555   1555  1.35  
LINK         C   PHE B 278                 N   MSE B 279     1555   1555  1.33  
LINK         C   MSE B 279                 N   GLU B 280     1555   1555  1.32  
LINK         C   SER C  17                 N   MSE C  18     1555   1555  1.33  
LINK         C   MSE C  18                 N   MSE C  19     1555   1555  1.33  
LINK         C   MSE C  19                 N   MSE C  20     1555   1555  1.34  
LINK         C   MSE C  20                 N   ASP C  21     1555   1555  1.33  
LINK         C   ASP C  21                 N   MSE C  22     1555   1555  1.33  
LINK         C   MSE C  22                 N   LEU C  23     1555   1555  1.33  
LINK         C   LYS C  43                 N   MSE C  44     1555   1555  1.33  
LINK         C   MSE C  44                 N   ASP C  45     1555   1555  1.33  
LINK         C   GLU C  54                 N   MSE C  55     1555   1555  1.34  
LINK         C   MSE C  55                 N   ALA C  56     1555   1555  1.33  
LINK         C   GLU C  85                 N   MSE C  86     1555   1555  1.34  
LINK         C   MSE C  86                 N   LEU C  87     1555   1555  1.33  
LINK         C   GLU C 108                 N   MSE C 109     1555   1555  1.33  
LINK         C   MSE C 109                 N   GLU C 110     1555   1555  1.32  
LINK         C   ALA C 123                 N   MSE C 124     1555   1555  1.33  
LINK         C   MSE C 124                 N   LEU C 125     1555   1555  1.33  
LINK         C   GLU C 136                 N   MSE C 137     1555   1555  1.33  
LINK         C   MSE C 137                 N   ALA C 138     1555   1555  1.33  
LINK         C   LEU C 144                 N   MSE C 145     1555   1555  1.33  
LINK         C   MSE C 145                 N   LYS C 146     1555   1555  1.34  
LINK         C   ALA C 199                 N   MSE C 200     1555   1555  1.34  
LINK         C   MSE C 200                 N   VAL C 201     1555   1555  1.34  
LINK         C   ALA C 203                 N   MSE C 204     1555   1555  1.34  
LINK         C   MSE C 204                 N   ALA C 205     1555   1555  1.34  
LINK         C   GLU C 239                 N   MSE C 240     1555   1555  1.34  
LINK         C   MSE C 240                 N   MSE C 241     1555   1555  1.34  
LINK         C   MSE C 241                 N   ARG C 242     1555   1555  1.33  
LINK         C   PHE C 278                 N   MSE C 279     1555   1555  1.33  
LINK         C   MSE C 279                 N   GLU C 280     1555   1555  1.33  
LINK         O   HOH A4009                MG    MG A5001     1555   1555  2.09  
LINK         O   HOH A4014                MG    MG A5001     1555   1555  1.92  
LINK         O   HOH A4025                MG    MG A5001     4566   1555  2.09  
LINK         O   HOH A4034                MG    MG A5001     1555   1555  1.92  
LINK         O   HOH A4036                MG    MG A5002     1555   1555  1.89  
LINK         O   HOH A4089                MG    MG A5002     1555   1555  2.18  
LINK         O   HOH A4091                MG    MG A5003     1555   1555  1.98  
LINK         O   HOH A4178                MG    MG A5004     1555   1555  2.07  
LINK         O   HOH A4180                MG    MG A5004     1555   1555  2.01  
LINK         O   HOH A4190                MG    MG A5002     1555   1555  2.00  
LINK         O   HOH A4210                MG    MG A5003     1555   1555  2.18  
LINK         O   HOH A4213                MG    MG A5003     1555   1555  2.03  
LINK         O   HOH A4279                MG    MG A5004     1555   1555  2.09  
LINK         O   HOH A4361                MG    MG A5004     1555   1555  2.23  
LINK         O   HOH A4487                MG    MG A5001     4566   1555  2.11  
LINK         O   HOH A4488                MG    MG A5002     1555   1555  2.04  
LINK         O   HOH A4510                MG    MG A5003     1555   1555  2.11  
LINK        MG    MG A5001                 O   HOH B4046     1555   2665  2.06  
LINK        MG    MG A5002                 O   HOH B4057     1555   2665  2.14  
LINK        MG    MG A5002                 O   HOH B4081     1555   2665  2.13  
LINK        MG    MG A5003                 O   HOH B4184     1555   2665  2.05  
LINK        MG    MG A5003                 O   HOH B4299     1555   2665  1.99  
SITE     1 AC1  6 HOH A4009  HOH A4014  HOH A4025  HOH A4034                    
SITE     2 AC1  6 HOH A4487  HOH B4046                                          
SITE     1 AC2  6 HOH A4036  HOH A4089  HOH A4190  HOH A4488                    
SITE     2 AC2  6 HOH B4057  HOH B4081                                          
SITE     1 AC3  6 HOH A4091  HOH A4210  HOH A4213  HOH A4510                    
SITE     2 AC3  6 HOH B4184  HOH B4299                                          
SITE     1 AC4  4 HOH A4178  HOH A4180  HOH A4279  HOH A4361                    
CRYST1  120.100  151.200  110.000  90.00  90.00  90.00 C 2 2 21     24          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008326  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006614  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009091        0.00000