HEADER    TRANSFERASE                             26-APR-04   1T3D              
TITLE     CRYSTAL STRUCTURE OF SERINE ACETYLTRANSFERASE FROM E.COLI AT 2.2A     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SERINE ACETYLTRANSFERASE;                                  
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 SYNONYM: SAT;                                                        
COMPND   5 EC: 2.3.1.30;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: CYSE, B3607, C4429, Z5034, ECS4485, SF3646, S4122;             
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: B834;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PCOCE3                                    
KEYWDS    LEFT-HANDED-BETA-HELIX, DIMER OF TRIMERS, TRANSFERASE                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.E.PYE,A.P.TINGEY,R.L.ROBSON,P.C.E.MOODY                             
REVDAT   6   30-OCT-24 1T3D    1       REMARK SEQADV LINK                       
REVDAT   5   07-NOV-12 1T3D    1                                                
REVDAT   4   13-JUL-11 1T3D    1       VERSN                                    
REVDAT   3   24-FEB-09 1T3D    1       VERSN                                    
REVDAT   2   28-SEP-04 1T3D    1       JRNL                                     
REVDAT   1   13-JUL-04 1T3D    0                                                
JRNL        AUTH   V.E.PYE,A.P.TINGEY,R.L.ROBSON,P.C.E.MOODY                    
JRNL        TITL   THE STRUCTURE AND MECHANISM OF SERINE ACETYLTRANSFERASE FROM 
JRNL        TITL 2 ESCHERICHIA COLI                                             
JRNL        REF    J.BIOL.CHEM.                  V. 279 40729 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15231846                                                     
JRNL        DOI    10.1074/JBC.M403751200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.19                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.96                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 51270                          
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) : 0.175                           
REMARK   3   R VALUE            (WORKING SET) : 0.151                           
REMARK   3   FREE R VALUE                     : 0.177                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 5175                            
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) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.35                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2892                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 77.00                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 721                          
REMARK   3   BIN FREE R VALUE                    : 0.1940                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5907                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 416                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.19                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.74000                                              
REMARK   3    B22 (A**2) : 0.74000                                              
REMARK   3    B33 (A**2) : -1.10000                                             
REMARK   3    B12 (A**2) : 0.37000                                              
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): 0.165         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.190         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.073         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.855         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.960                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.960                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6045 ; 0.019 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  5616 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8196 ; 1.642 ; 1.955       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 13056 ; 0.904 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   783 ; 6.546 ; 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):   936 ; 0.108 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  6768 ; 0.011 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1131 ; 0.016 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1441 ; 0.210 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  6697 ; 0.248 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  3618 ; 0.088 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   337 ; 0.198 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     2 ; 0.297 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    72 ; 0.313 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    13 ; 0.146 ; 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):  3915 ; 0.888 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6270 ; 1.700 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2130 ; 3.349 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1926 ; 5.339 ; 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  : NULL                                       
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: REFINEMENT WAS CARRIED OUT IN CNS PRIOR   
REMARK   3  TO REFMAC WITH A RANDOMLY SELECTED CROSS VALIDATION SET OF 10.1%,   
REMARK   3  5175 REFLECTIONS, OF DATA. A SET OF 10.2%, 712 REFLECTIONS, WAS     
REMARK   3  USED FROM THE HIGHEST SHELL. R-WORK=17.5 (18.4 IN THE HIGHEST       
REMARK   3  SHELL). FREE-R=17.7 (19.4 IN THE HIGHEST SHELL). HYDROGENS HAVE     
REMARK   3  BEEN ADDED IN THE RIDING POSITIONS.                                 
REMARK   4                                                                      
REMARK   4 1T3D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022260.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9787                             
REMARK 200  MONOCHROMATOR                  : NULL                               
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   : 51271                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.5                               
REMARK 200  DATA REDUNDANCY                : 5.500                              
REMARK 200  R MERGE                    (I) : 0.04500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.34                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 77.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MES, MPD, SODIUM THIOCYANATE,            
REMARK 280  CYSTEINE, PH 6.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.01333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       42.50667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       42.50667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       85.01333            
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: 22830 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 45570 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.0 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 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
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     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     ILE A   263                                                      
REMARK 465     ASN A   264                                                      
REMARK 465     HIS A   265                                                      
REMARK 465     THR A   266                                                      
REMARK 465     PHE A   267                                                      
REMARK 465     GLU A   268                                                      
REMARK 465     TYR A   269                                                      
REMARK 465     GLY A   270                                                      
REMARK 465     ASP A   271                                                      
REMARK 465     GLY A   272                                                      
REMARK 465     ILE A   273                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     ILE B   263                                                      
REMARK 465     ASN B   264                                                      
REMARK 465     HIS B   265                                                      
REMARK 465     THR B   266                                                      
REMARK 465     PHE B   267                                                      
REMARK 465     GLU B   268                                                      
REMARK 465     TYR B   269                                                      
REMARK 465     GLY B   270                                                      
REMARK 465     ASP B   271                                                      
REMARK 465     GLY B   272                                                      
REMARK 465     ILE B   273                                                      
REMARK 465     HIS C   -15                                                      
REMARK 465     HIS C   -14                                                      
REMARK 465     HIS C   -13                                                      
REMARK 465     HIS C   -12                                                      
REMARK 465     HIS C   -11                                                      
REMARK 465     HIS C   -10                                                      
REMARK 465     SER C    -9                                                      
REMARK 465     SER C    -8                                                      
REMARK 465     GLY C    -7                                                      
REMARK 465     LEU C    -6                                                      
REMARK 465     VAL C    -5                                                      
REMARK 465     PRO C    -4                                                      
REMARK 465     ARG C    -3                                                      
REMARK 465     GLY C    -2                                                      
REMARK 465     SER C    -1                                                      
REMARK 465     HIS C     0                                                      
REMARK 465     ILE C   263                                                      
REMARK 465     ASN C   264                                                      
REMARK 465     HIS C   265                                                      
REMARK 465     THR C   266                                                      
REMARK 465     PHE C   267                                                      
REMARK 465     GLU C   268                                                      
REMARK 465     TYR C   269                                                      
REMARK 465     GLY C   270                                                      
REMARK 465     ASP C   271                                                      
REMARK 465     GLY C   272                                                      
REMARK 465     ILE C   273                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   428     O    HOH C   382              1.90            
REMARK 500   O    HOH A   390     O    HOH A   427              1.98            
REMARK 500   O    ARG A    89     O    HOH A   298              2.15            
REMARK 500   O    PHE C   260     O    HOH C   361              2.16            
REMARK 500   OE1  GLU B     7     O    HOH B   797              2.17            
REMARK 500   O    ASP B    92     O    HOH B   753              2.17            
REMARK 500   OG   SER C   249     OD2  ASP C   255              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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   O    HOH B   798     O    HOH C   383     4555     2.05            
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    ASP A  96   CB  -  CG  -  OD2 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ASP A 248   CB  -  CG  -  OD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD2 ANGL. DEV. =   7.4 DEGREES          
REMARK 500    ASP B  96   CB  -  CG  -  OD2 ANGL. DEV. =   6.7 DEGREES          
REMARK 500    ASP B 255   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP C  74   CB  -  CG  -  OD2 ANGL. DEV. =   5.9 DEGREES          
REMARK 500    ASP C  96   CB  -  CG  -  OD2 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ASP C 191   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 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    HIS A 158      -53.74     69.25                                   
REMARK 500    ALA A 159      -20.40     77.63                                   
REMARK 500    ARG A 192       14.09   -160.77                                   
REMARK 500    HIS B 158      -60.31     69.61                                   
REMARK 500    ALA B 159      -22.47     86.61                                   
REMARK 500    ARG B 192        9.56   -163.89                                   
REMARK 500    ASN B 261      -53.14    148.90                                   
REMARK 500    SER C  54      144.94    -26.97                                   
REMARK 500    HIS C 158      -56.54     67.55                                   
REMARK 500    ALA C 159      -18.11     78.86                                   
REMARK 500    ARG C 192       12.18   -156.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PHE C  260     ASN C  261                  143.60                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYS B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYS B 601                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYS B 701                 
DBREF  1T3D A    1   273  UNP    P0A9D4   CYSE_ECOLI       1    273             
DBREF  1T3D B    1   273  UNP    P0A9D4   CYSE_ECOLI       1    273             
DBREF  1T3D C    1   273  UNP    P0A9D4   CYSE_ECOLI       1    273             
SEQADV 1T3D HIS A  -15  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A  -14  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A  -13  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A  -12  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A  -11  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A  -10  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER A   -9  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER A   -8  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY A   -7  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D LEU A   -6  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D VAL A   -5  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D PRO A   -4  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D ARG A   -3  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY A   -2  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER A   -1  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS A    0  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D MSE A    1  UNP  P0A9D4    MET     1 MODIFIED RESIDUE               
SEQADV 1T3D MSE A   26  UNP  P0A9D4    MET    26 MODIFIED RESIDUE               
SEQADV 1T3D MSE A   48  UNP  P0A9D4    MET    48 MODIFIED RESIDUE               
SEQADV 1T3D MSE A   58  UNP  P0A9D4    MET    58 MODIFIED RESIDUE               
SEQADV 1T3D MSE A   77  UNP  P0A9D4    MET    77 MODIFIED RESIDUE               
SEQADV 1T3D MSE A  155  UNP  P0A9D4    MET   155 MODIFIED RESIDUE               
SEQADV 1T3D MSE A  201  UNP  P0A9D4    MET   201 MODIFIED RESIDUE               
SEQADV 1T3D MSE A  254  UNP  P0A9D4    MET   254 MODIFIED RESIDUE               
SEQADV 1T3D MSE A  256  UNP  P0A9D4    MET   256 MODIFIED RESIDUE               
SEQADV 1T3D HIS B  -15  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B  -14  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B  -13  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B  -12  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B  -11  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B  -10  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER B   -9  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER B   -8  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY B   -7  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D LEU B   -6  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D VAL B   -5  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D PRO B   -4  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D ARG B   -3  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY B   -2  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER B   -1  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS B    0  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D MSE B    1  UNP  P0A9D4    MET     1 MODIFIED RESIDUE               
SEQADV 1T3D MSE B   26  UNP  P0A9D4    MET    26 MODIFIED RESIDUE               
SEQADV 1T3D MSE B   48  UNP  P0A9D4    MET    48 MODIFIED RESIDUE               
SEQADV 1T3D MSE B   58  UNP  P0A9D4    MET    58 MODIFIED RESIDUE               
SEQADV 1T3D MSE B   77  UNP  P0A9D4    MET    77 MODIFIED RESIDUE               
SEQADV 1T3D MSE B  155  UNP  P0A9D4    MET   155 MODIFIED RESIDUE               
SEQADV 1T3D MSE B  201  UNP  P0A9D4    MET   201 MODIFIED RESIDUE               
SEQADV 1T3D MSE B  254  UNP  P0A9D4    MET   254 MODIFIED RESIDUE               
SEQADV 1T3D MSE B  256  UNP  P0A9D4    MET   256 MODIFIED RESIDUE               
SEQADV 1T3D HIS C  -15  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C  -14  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C  -13  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C  -12  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C  -11  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C  -10  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER C   -9  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER C   -8  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY C   -7  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D LEU C   -6  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D VAL C   -5  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D PRO C   -4  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D ARG C   -3  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D GLY C   -2  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D SER C   -1  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D HIS C    0  UNP  P0A9D4              EXPRESSION TAG                 
SEQADV 1T3D MSE C    1  UNP  P0A9D4    MET     1 MODIFIED RESIDUE               
SEQADV 1T3D MSE C   26  UNP  P0A9D4    MET    26 MODIFIED RESIDUE               
SEQADV 1T3D MSE C   48  UNP  P0A9D4    MET    48 MODIFIED RESIDUE               
SEQADV 1T3D MSE C   58  UNP  P0A9D4    MET    58 MODIFIED RESIDUE               
SEQADV 1T3D MSE C   77  UNP  P0A9D4    MET    77 MODIFIED RESIDUE               
SEQADV 1T3D MSE C  155  UNP  P0A9D4    MET   155 MODIFIED RESIDUE               
SEQADV 1T3D MSE C  201  UNP  P0A9D4    MET   201 MODIFIED RESIDUE               
SEQADV 1T3D MSE C  254  UNP  P0A9D4    MET   254 MODIFIED RESIDUE               
SEQADV 1T3D MSE C  256  UNP  P0A9D4    MET   256 MODIFIED RESIDUE               
SEQRES   1 A  289  HIS HIS HIS HIS HIS HIS SER SER GLY LEU VAL PRO ARG          
SEQRES   2 A  289  GLY SER HIS MSE SER CYS GLU GLU LEU GLU ILE VAL TRP          
SEQRES   3 A  289  ASN ASN ILE LYS ALA GLU ALA ARG THR LEU ALA ASP CYS          
SEQRES   4 A  289  GLU PRO MSE LEU ALA SER PHE TYR HIS ALA THR LEU LEU          
SEQRES   5 A  289  LYS HIS GLU ASN LEU GLY SER ALA LEU SER TYR MSE LEU          
SEQRES   6 A  289  ALA ASN LYS LEU SER SER PRO ILE MSE PRO ALA ILE ALA          
SEQRES   7 A  289  ILE ARG GLU VAL VAL GLU GLU ALA TYR ALA ALA ASP PRO          
SEQRES   8 A  289  GLU MSE ILE ALA SER ALA ALA CYS ASP ILE GLN ALA VAL          
SEQRES   9 A  289  ARG THR ARG ASP PRO ALA VAL ASP LYS TYR SER THR PRO          
SEQRES  10 A  289  LEU LEU TYR LEU LYS GLY PHE HIS ALA LEU GLN ALA TYR          
SEQRES  11 A  289  ARG ILE GLY HIS TRP LEU TRP ASN GLN GLY ARG ARG ALA          
SEQRES  12 A  289  LEU ALA ILE PHE LEU GLN ASN GLN VAL SER VAL THR PHE          
SEQRES  13 A  289  GLN VAL ASP ILE HIS PRO ALA ALA LYS ILE GLY ARG GLY          
SEQRES  14 A  289  ILE MSE LEU ASP HIS ALA THR GLY ILE VAL VAL GLY GLU          
SEQRES  15 A  289  THR ALA VAL ILE GLU ASN ASP VAL SER ILE LEU GLN SER          
SEQRES  16 A  289  VAL THR LEU GLY GLY THR GLY LYS SER GLY GLY ASP ARG          
SEQRES  17 A  289  HIS PRO LYS ILE ARG GLU GLY VAL MSE ILE GLY ALA GLY          
SEQRES  18 A  289  ALA LYS ILE LEU GLY ASN ILE GLU VAL GLY ARG GLY ALA          
SEQRES  19 A  289  LYS ILE GLY ALA GLY SER VAL VAL LEU GLN PRO VAL PRO          
SEQRES  20 A  289  PRO HIS THR THR ALA ALA GLY VAL PRO ALA ARG ILE VAL          
SEQRES  21 A  289  GLY LYS PRO ASP SER ASP LYS PRO SER MSE ASP MSE ASP          
SEQRES  22 A  289  GLN HIS PHE ASN GLY ILE ASN HIS THR PHE GLU TYR GLY          
SEQRES  23 A  289  ASP GLY ILE                                                  
SEQRES   1 B  289  HIS HIS HIS HIS HIS HIS SER SER GLY LEU VAL PRO ARG          
SEQRES   2 B  289  GLY SER HIS MSE SER CYS GLU GLU LEU GLU ILE VAL TRP          
SEQRES   3 B  289  ASN ASN ILE LYS ALA GLU ALA ARG THR LEU ALA ASP CYS          
SEQRES   4 B  289  GLU PRO MSE LEU ALA SER PHE TYR HIS ALA THR LEU LEU          
SEQRES   5 B  289  LYS HIS GLU ASN LEU GLY SER ALA LEU SER TYR MSE LEU          
SEQRES   6 B  289  ALA ASN LYS LEU SER SER PRO ILE MSE PRO ALA ILE ALA          
SEQRES   7 B  289  ILE ARG GLU VAL VAL GLU GLU ALA TYR ALA ALA ASP PRO          
SEQRES   8 B  289  GLU MSE ILE ALA SER ALA ALA CYS ASP ILE GLN ALA VAL          
SEQRES   9 B  289  ARG THR ARG ASP PRO ALA VAL ASP LYS TYR SER THR PRO          
SEQRES  10 B  289  LEU LEU TYR LEU LYS GLY PHE HIS ALA LEU GLN ALA TYR          
SEQRES  11 B  289  ARG ILE GLY HIS TRP LEU TRP ASN GLN GLY ARG ARG ALA          
SEQRES  12 B  289  LEU ALA ILE PHE LEU GLN ASN GLN VAL SER VAL THR PHE          
SEQRES  13 B  289  GLN VAL ASP ILE HIS PRO ALA ALA LYS ILE GLY ARG GLY          
SEQRES  14 B  289  ILE MSE LEU ASP HIS ALA THR GLY ILE VAL VAL GLY GLU          
SEQRES  15 B  289  THR ALA VAL ILE GLU ASN ASP VAL SER ILE LEU GLN SER          
SEQRES  16 B  289  VAL THR LEU GLY GLY THR GLY LYS SER GLY GLY ASP ARG          
SEQRES  17 B  289  HIS PRO LYS ILE ARG GLU GLY VAL MSE ILE GLY ALA GLY          
SEQRES  18 B  289  ALA LYS ILE LEU GLY ASN ILE GLU VAL GLY ARG GLY ALA          
SEQRES  19 B  289  LYS ILE GLY ALA GLY SER VAL VAL LEU GLN PRO VAL PRO          
SEQRES  20 B  289  PRO HIS THR THR ALA ALA GLY VAL PRO ALA ARG ILE VAL          
SEQRES  21 B  289  GLY LYS PRO ASP SER ASP LYS PRO SER MSE ASP MSE ASP          
SEQRES  22 B  289  GLN HIS PHE ASN GLY ILE ASN HIS THR PHE GLU TYR GLY          
SEQRES  23 B  289  ASP GLY ILE                                                  
SEQRES   1 C  289  HIS HIS HIS HIS HIS HIS SER SER GLY LEU VAL PRO ARG          
SEQRES   2 C  289  GLY SER HIS MSE SER CYS GLU GLU LEU GLU ILE VAL TRP          
SEQRES   3 C  289  ASN ASN ILE LYS ALA GLU ALA ARG THR LEU ALA ASP CYS          
SEQRES   4 C  289  GLU PRO MSE LEU ALA SER PHE TYR HIS ALA THR LEU LEU          
SEQRES   5 C  289  LYS HIS GLU ASN LEU GLY SER ALA LEU SER TYR MSE LEU          
SEQRES   6 C  289  ALA ASN LYS LEU SER SER PRO ILE MSE PRO ALA ILE ALA          
SEQRES   7 C  289  ILE ARG GLU VAL VAL GLU GLU ALA TYR ALA ALA ASP PRO          
SEQRES   8 C  289  GLU MSE ILE ALA SER ALA ALA CYS ASP ILE GLN ALA VAL          
SEQRES   9 C  289  ARG THR ARG ASP PRO ALA VAL ASP LYS TYR SER THR PRO          
SEQRES  10 C  289  LEU LEU TYR LEU LYS GLY PHE HIS ALA LEU GLN ALA TYR          
SEQRES  11 C  289  ARG ILE GLY HIS TRP LEU TRP ASN GLN GLY ARG ARG ALA          
SEQRES  12 C  289  LEU ALA ILE PHE LEU GLN ASN GLN VAL SER VAL THR PHE          
SEQRES  13 C  289  GLN VAL ASP ILE HIS PRO ALA ALA LYS ILE GLY ARG GLY          
SEQRES  14 C  289  ILE MSE LEU ASP HIS ALA THR GLY ILE VAL VAL GLY GLU          
SEQRES  15 C  289  THR ALA VAL ILE GLU ASN ASP VAL SER ILE LEU GLN SER          
SEQRES  16 C  289  VAL THR LEU GLY GLY THR GLY LYS SER GLY GLY ASP ARG          
SEQRES  17 C  289  HIS PRO LYS ILE ARG GLU GLY VAL MSE ILE GLY ALA GLY          
SEQRES  18 C  289  ALA LYS ILE LEU GLY ASN ILE GLU VAL GLY ARG GLY ALA          
SEQRES  19 C  289  LYS ILE GLY ALA GLY SER VAL VAL LEU GLN PRO VAL PRO          
SEQRES  20 C  289  PRO HIS THR THR ALA ALA GLY VAL PRO ALA ARG ILE VAL          
SEQRES  21 C  289  GLY LYS PRO ASP SER ASP LYS PRO SER MSE ASP MSE ASP          
SEQRES  22 C  289  GLN HIS PHE ASN GLY ILE ASN HIS THR PHE GLU TYR GLY          
SEQRES  23 C  289  ASP GLY ILE                                                  
MODRES 1T3D MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A   26  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A   48  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A   58  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A   77  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A  155  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A  201  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A  254  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE A  256  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B    1  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B   26  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B   48  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B   58  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B   77  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B  155  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B  201  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B  254  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE B  256  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C    1  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C   26  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C   48  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C   58  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C   77  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C  155  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C  201  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C  254  MET  SELENOMETHIONINE                                   
MODRES 1T3D MSE C  256  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A  26       8                                                       
HET    MSE  A  48       8                                                       
HET    MSE  A  58       8                                                       
HET    MSE  A  77       8                                                       
HET    MSE  A 155       8                                                       
HET    MSE  A 201       8                                                       
HET    MSE  A 254       8                                                       
HET    MSE  A 256       8                                                       
HET    MSE  B   1       8                                                       
HET    MSE  B  26       8                                                       
HET    MSE  B  48       8                                                       
HET    MSE  B  58       8                                                       
HET    MSE  B  77       8                                                       
HET    MSE  B 155       8                                                       
HET    MSE  B 201       8                                                       
HET    MSE  B 254       8                                                       
HET    MSE  B 256       8                                                       
HET    MSE  C   1       8                                                       
HET    MSE  C  26       8                                                       
HET    MSE  C  48       8                                                       
HET    MSE  C  58       8                                                       
HET    MSE  C  77       8                                                       
HET    MSE  C 155       8                                                       
HET    MSE  C 201       8                                                       
HET    MSE  C 254       8                                                       
HET    MSE  C 256       8                                                       
HET    CYS  B 501       7                                                       
HET    CYS  B 601       7                                                       
HET    CYS  B 701       7                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     CYS CYSTEINE                                                         
FORMUL   1  MSE    27(C5 H11 N O2 SE)                                           
FORMUL   4  CYS    3(C3 H7 N O2 S)                                              
FORMUL   7  HOH   *416(H2 O)                                                    
HELIX    1   1 SER A    2  GLU A   24  1                                  23    
HELIX    2   2 LEU A   27  LEU A   35  1                                   9    
HELIX    3   3 ASN A   40  SER A   54  1                                  15    
HELIX    4   4 PRO A   59  ASP A   74  1                                  16    
HELIX    5   5 PRO A   75  ASP A   92  1                                  18    
HELIX    6   6 TYR A   98  LEU A  105  1                                   8    
HELIX    7   7 LEU A  105  GLY A  124  1                                  20    
HELIX    8   8 ARG A  125  GLN A  141  1                                  17    
HELIX    9   9 LYS A  251  MSE A  256  1                                   6    
HELIX   10  10 SER B    2  GLU B   24  1                                  23    
HELIX   11  11 LEU B   27  LEU B   35  1                                   9    
HELIX   12  12 ASN B   40  SER B   54  1                                  15    
HELIX   13  13 PRO B   59  ASP B   74  1                                  16    
HELIX   14  14 PRO B   75  ASP B   92  1                                  18    
HELIX   15  15 TYR B   98  LEU B  105  1                                   8    
HELIX   16  16 LEU B  105  GLN B  123  1                                  19    
HELIX   17  17 ARG B  125  GLN B  141  1                                  17    
HELIX   18  18 SER C    2  GLU C   24  1                                  23    
HELIX   19  19 LEU C   27  LEU C   35  1                                   9    
HELIX   20  20 ASN C   40  SER C   54  1                                  15    
HELIX   21  21 PRO C   59  ASP C   74  1                                  16    
HELIX   22  22 PRO C   75  ASP C   92  1                                  18    
HELIX   23  23 TYR C   98  LEU C  105  1                                   8    
HELIX   24  24 LEU C  105  GLN C  123  1                                  19    
HELIX   25  25 ARG C  125  GLN C  141  1                                  17    
HELIX   26  26 LYS C  251  MSE C  256  1                                   6    
SHEET    1   A 5 ASP A 143  ILE A 144  0                                        
SHEET    2   A 5 VAL A 163  VAL A 164  1  O  VAL A 164   N  ASP A 143           
SHEET    3   A 5 THR A 181  GLY A 183  1  O  LEU A 182   N  VAL A 163           
SHEET    4   A 5 LYS A 207  LEU A 209  1  O  ILE A 208   N  THR A 181           
SHEET    5   A 5 VAL A 225  VAL A 226  1  O  VAL A 226   N  LYS A 207           
SHEET    1   B 4 LYS A 149  ILE A 150  0                                        
SHEET    2   B 4 VAL A 169  ILE A 170  1  O  ILE A 170   N  LYS A 149           
SHEET    3   B 4 LYS A 195  ILE A 196  1  O  ILE A 196   N  VAL A 169           
SHEET    4   B 4 GLU A 213  VAL A 214  1  O  VAL A 214   N  LYS A 195           
SHEET    1   C 6 MSE A 155  LEU A 156  0                                        
SHEET    2   C 6 SER A 175  ILE A 176  1  O  ILE A 176   N  MSE A 155           
SHEET    3   C 6 MSE A 201  ILE A 202  1  O  ILE A 202   N  SER A 175           
SHEET    4   C 6 LYS A 219  ILE A 220  1  O  ILE A 220   N  MSE A 201           
SHEET    5   C 6 THR A 235  ALA A 237  1  O  ALA A 236   N  LYS A 219           
SHEET    6   C 6 ARG A 242  GLY A 245 -1  O  ARG A 242   N  ALA A 237           
SHEET    1   D 5 ASP B 143  ILE B 144  0                                        
SHEET    2   D 5 VAL B 163  VAL B 164  1  O  VAL B 164   N  ASP B 143           
SHEET    3   D 5 THR B 181  GLY B 183  1  O  LEU B 182   N  VAL B 163           
SHEET    4   D 5 LYS B 207  LEU B 209  1  O  ILE B 208   N  THR B 181           
SHEET    5   D 5 VAL B 225  VAL B 226  1  O  VAL B 226   N  LYS B 207           
SHEET    1   E 4 LYS B 149  ILE B 150  0                                        
SHEET    2   E 4 VAL B 169  ILE B 170  1  O  ILE B 170   N  LYS B 149           
SHEET    3   E 4 LYS B 195  ILE B 196  1  O  ILE B 196   N  VAL B 169           
SHEET    4   E 4 GLU B 213  VAL B 214  1  O  VAL B 214   N  LYS B 195           
SHEET    1   F 6 MSE B 155  LEU B 156  0                                        
SHEET    2   F 6 SER B 175  ILE B 176  1  O  ILE B 176   N  MSE B 155           
SHEET    3   F 6 MSE B 201  ILE B 202  1  O  ILE B 202   N  SER B 175           
SHEET    4   F 6 LYS B 219  ILE B 220  1  O  ILE B 220   N  MSE B 201           
SHEET    5   F 6 THR B 235  ALA B 237  1  O  ALA B 236   N  LYS B 219           
SHEET    6   F 6 ARG B 242  GLY B 245 -1  O  VAL B 244   N  THR B 235           
SHEET    1   G 5 ASP C 143  ILE C 144  0                                        
SHEET    2   G 5 VAL C 163  VAL C 164  1  O  VAL C 164   N  ASP C 143           
SHEET    3   G 5 THR C 181  GLY C 183  1  O  LEU C 182   N  VAL C 163           
SHEET    4   G 5 LYS C 207  LEU C 209  1  O  ILE C 208   N  THR C 181           
SHEET    5   G 5 VAL C 225  VAL C 226  1  O  VAL C 226   N  LYS C 207           
SHEET    1   H 4 LYS C 149  ILE C 150  0                                        
SHEET    2   H 4 VAL C 169  ILE C 170  1  O  ILE C 170   N  LYS C 149           
SHEET    3   H 4 LYS C 195  ILE C 196  1  O  ILE C 196   N  VAL C 169           
SHEET    4   H 4 GLU C 213  VAL C 214  1  O  VAL C 214   N  LYS C 195           
SHEET    1   I 6 MSE C 155  LEU C 156  0                                        
SHEET    2   I 6 SER C 175  ILE C 176  1  O  ILE C 176   N  MSE C 155           
SHEET    3   I 6 MSE C 201  ILE C 202  1  O  ILE C 202   N  SER C 175           
SHEET    4   I 6 LYS C 219  ILE C 220  1  O  ILE C 220   N  MSE C 201           
SHEET    5   I 6 THR C 235  ALA C 237  1  O  ALA C 236   N  LYS C 219           
SHEET    6   I 6 ARG C 242  GLY C 245 -1  O  VAL C 244   N  THR C 235           
LINK         C   MSE A   1                 N   SER A   2     1555   1555  1.33  
LINK         C   PRO A  25                 N   MSE A  26     1555   1555  1.31  
LINK         C   MSE A  26                 N   LEU A  27     1555   1555  1.33  
LINK         C   TYR A  47                 N   MSE A  48     1555   1555  1.33  
LINK         C   MSE A  48                 N   LEU A  49     1555   1555  1.31  
LINK         C   ILE A  57                 N   MSE A  58     1555   1555  1.33  
LINK         C   MSE A  58                 N   PRO A  59     1555   1555  1.32  
LINK         C   GLU A  76                 N   MSE A  77     1555   1555  1.32  
LINK         C   MSE A  77                 N   ILE A  78     1555   1555  1.32  
LINK         C   ILE A 154                 N   MSE A 155     1555   1555  1.34  
LINK         C   MSE A 155                 N   LEU A 156     1555   1555  1.33  
LINK         C   VAL A 200                 N   MSE A 201     1555   1555  1.34  
LINK         C   MSE A 201                 N   ILE A 202     1555   1555  1.33  
LINK         C   SER A 253                 N   MSE A 254     1555   1555  1.33  
LINK         C   MSE A 254                 N   ASP A 255     1555   1555  1.33  
LINK         C   ASP A 255                 N   MSE A 256     1555   1555  1.34  
LINK         C   MSE A 256                 N   ASP A 257     1555   1555  1.31  
LINK         C   MSE B   1                 N   SER B   2     1555   1555  1.32  
LINK         C   PRO B  25                 N   MSE B  26     1555   1555  1.33  
LINK         C   MSE B  26                 N   LEU B  27     1555   1555  1.34  
LINK         C   TYR B  47                 N   MSE B  48     1555   1555  1.33  
LINK         C   MSE B  48                 N   LEU B  49     1555   1555  1.33  
LINK         C   ILE B  57                 N   MSE B  58     1555   1555  1.33  
LINK         C   MSE B  58                 N   PRO B  59     1555   1555  1.32  
LINK         C   GLU B  76                 N   MSE B  77     1555   1555  1.32  
LINK         C   MSE B  77                 N   ILE B  78     1555   1555  1.33  
LINK         C   ILE B 154                 N   MSE B 155     1555   1555  1.33  
LINK         C   MSE B 155                 N   LEU B 156     1555   1555  1.32  
LINK         C   VAL B 200                 N   MSE B 201     1555   1555  1.31  
LINK         C   MSE B 201                 N   ILE B 202     1555   1555  1.34  
LINK         C   SER B 253                 N   MSE B 254     1555   1555  1.34  
LINK         C   MSE B 254                 N   ASP B 255     1555   1555  1.33  
LINK         C   ASP B 255                 N   MSE B 256     1555   1555  1.35  
LINK         C   MSE B 256                 N   ASP B 257     1555   1555  1.32  
LINK         C   MSE C   1                 N   SER C   2     1555   1555  1.33  
LINK         C   PRO C  25                 N   MSE C  26     1555   1555  1.31  
LINK         C   MSE C  26                 N   LEU C  27     1555   1555  1.33  
LINK         C   TYR C  47                 N   MSE C  48     1555   1555  1.34  
LINK         C   MSE C  48                 N   LEU C  49     1555   1555  1.33  
LINK         C   ILE C  57                 N   MSE C  58     1555   1555  1.33  
LINK         C   MSE C  58                 N   PRO C  59     1555   1555  1.33  
LINK         C   GLU C  76                 N   MSE C  77     1555   1555  1.31  
LINK         C   MSE C  77                 N   ILE C  78     1555   1555  1.33  
LINK         C   ILE C 154                 N   MSE C 155     1555   1555  1.31  
LINK         C   MSE C 155                 N   LEU C 156     1555   1555  1.32  
LINK         C   VAL C 200                 N   MSE C 201     1555   1555  1.33  
LINK         C   MSE C 201                 N   ILE C 202     1555   1555  1.35  
LINK         C   SER C 253                 N   MSE C 254     1555   1555  1.34  
LINK         C   MSE C 254                 N   ASP C 255     1555   1555  1.32  
LINK         C   ASP C 255                 N   MSE C 256     1555   1555  1.33  
LINK         C   MSE C 256                 N   ASP C 257     1555   1555  1.33  
CISPEP   1 VAL A  239    PRO A  240          0        -2.87                     
CISPEP   2 VAL B  239    PRO B  240          0         0.69                     
CISPEP   3 VAL C  239    PRO C  240          0        -5.44                     
SITE     1 AC1 10 ASP A  92  PRO A  93  ASP A 157  HIS A 158                    
SITE     2 AC1 10 HOH A 285  GLY B 184  ARG B 192  HIS B 193                    
SITE     3 AC1 10 HOH B 714  HOH B 735                                          
SITE     1 AC2 10 ASP B  92  PRO B  93  ASP B 157  HIS B 158                    
SITE     2 AC2 10 HOH B 739  GLY C 184  ARG C 192  HIS C 193                    
SITE     3 AC2 10 HOH C 295  HOH C 338                                          
SITE     1 AC3 10 GLY A 184  ARG A 192  HIS A 193  HOH A 310                    
SITE     2 AC3 10 HOH B 736  ASP C  92  PRO C  93  ASP C 157                    
SITE     3 AC3 10 HIS C 158  HOH C 275                                          
CRYST1  121.980  121.980  127.520  90.00  90.00 120.00 P 32 2 1     18          
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      0.008198  0.004733  0.000000        0.00000                         
SCALE2      0.000000  0.009466  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007842        0.00000                         
HETATM    1  N   MSE A   1      58.584  54.118  -4.802  1.00 59.84           N  
HETATM    2  CA  MSE A   1      57.222  54.506  -5.302  1.00 59.61           C  
HETATM    3  C   MSE A   1      56.948  55.965  -4.974  1.00 59.10           C  
HETATM    4  O   MSE A   1      56.464  56.300  -3.897  1.00 59.15           O  
HETATM    5  CB  MSE A   1      56.129  53.592  -4.724  1.00 59.93           C  
HETATM    6  CG  MSE A   1      54.700  53.810  -5.290  1.00 60.11           C  
HETATM    7 SE   MSE A   1      54.502  53.427  -7.215  1.00 68.11          SE  
HETATM    8  CE  MSE A   1      55.162  51.458  -7.313  1.00 62.89           C