HEADER    TRANSFERASE                             17-OCT-05   2BB3              
TITLE     CRYSTAL STRUCTURE OF COBALAMIN BIOSYNTHESIS PRECORRIN-6Y METHYLASE    
TITLE    2 (CBIE) FROM ARCHAEOGLOBUS FULGIDUS                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COBALAMIN BIOSYNTHESIS PRECORRIN-6Y METHYLASE (CBIE);      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: CBIE;                                                      
COMPND   5 EC: 2.1.1.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARCHAEOGLOBUS FULGIDUS;                         
SOURCE   3 ORGANISM_TAXID: 224325;                                              
SOURCE   4 STRAIN: DSM 4304;                                                    
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    BETA, ALPHA-BETA-ALPHA SANDWICH, STRUCTURAL GENOMICS, PSI, PROTEIN    
KEYWDS   2 STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG,  
KEYWDS   3 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.KIM,A.JOACHIMIAK,X.XU,A.SAVCHENKO,A.EDWARDS,MIDWEST CENTER FOR      
AUTHOR   2 STRUCTURAL GENOMICS (MCSG)                                           
REVDAT   5   20-NOV-24 2BB3    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 2BB3    1       VERSN                                    
REVDAT   3   24-FEB-09 2BB3    1       VERSN                                    
REVDAT   2   06-DEC-05 2BB3    1       JRNL                                     
REVDAT   1   29-NOV-05 2BB3    0                                                
JRNL        AUTH   Y.KIM,X.XU,A.SAVCHENKO,A.EDWARDS,A.JOACHIMIAK                
JRNL        TITL   CRYSTAL STRUCTURE OF COBALAMIN BIOSYNTHESIS PRECORRIN-6Y     
JRNL        TITL 2 METHYLASE (CBIE) FROM ARCHAEOGLOBUS FULGIDUS                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.27 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.27                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.10                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1862364.670                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 19665                          
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 SET) : 0.211                           
REMARK   3   FREE R VALUE                     : 0.274                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1985                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.27                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.41                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 75.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2358                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2580                       
REMARK   3   BIN FREE R VALUE                    : 0.3330                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 260                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3043                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 52                                      
REMARK   3   SOLVENT ATOMS            : 180                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 37.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 53.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.83000                                              
REMARK   3    B22 (A**2) : 2.88000                                              
REMARK   3    B33 (A**2) : -4.71000                                             
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.27                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.19                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.37                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.28                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.970                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.100 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.580 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.810 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.360 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.29                                                 
REMARK   3   BSOL        : 40.79                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : SAH.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : SAH.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2BB3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-OCT-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000034896.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-OCT-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97932                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL MONOCHROMATOR,      
REMARK 200                                   SI(111)                            
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22771                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.210                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 11.00                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.5000                            
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) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.80800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.560                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM ACETATE, 11% PEG10K, 2%      
REMARK 280  ISO-PROPANOL,10MM SAH, PH 4.6, VAPOR DIFFUSION, HANGING DROP,       
REMARK 280  TEMPERATURE 295K                                                    
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       57.96600            
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       57.96600            
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       44.09550            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       44.20900            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       44.09550            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       44.20900            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       57.96600            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       44.09550            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       44.20900            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       57.96600            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       44.09550            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       44.20900            
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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 2 CHAIN(S).  THE AUTHORS STATE THE                 
REMARK 300 BIOLOGICAL UNIT COULD BE A DIMER.  THE ASYMMETRIC UNIT               
REMARK 300 CONTAINS TWO "HALF DIMERS".                                          
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 3650 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18590 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       57.96600            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 3500 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      115.93200            
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 A 288  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   -21                                                      
REMARK 465     GLY A   -20                                                      
REMARK 465     SER A   -19                                                      
REMARK 465     SER A   -18                                                      
REMARK 465     HIS A   -17                                                      
REMARK 465     HIS A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     SER A   -11                                                      
REMARK 465     SER A   -10                                                      
REMARK 465     GLY A    -9                                                      
REMARK 465     ARG A    -8                                                      
REMARK 465     GLU A    -7                                                      
REMARK 465     ASN A    -6                                                      
REMARK 465     LEU A    -5                                                      
REMARK 465     TYR A    -4                                                      
REMARK 465     PHE A    -3                                                      
REMARK 465     HIS A   124                                                      
REMARK 465     ALA A   125                                                      
REMARK 465     LYS A   126                                                      
REMARK 465     ASP A   127                                                      
REMARK 465     MSE A   196                                                      
REMARK 465     GLU A   197                                                      
REMARK 465     GLY A   198                                                      
REMARK 465     SER A   199                                                      
REMARK 465     MSE B   -21                                                      
REMARK 465     GLY B   -20                                                      
REMARK 465     SER B   -19                                                      
REMARK 465     SER B   -18                                                      
REMARK 465     HIS B   -17                                                      
REMARK 465     HIS B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     SER B   -11                                                      
REMARK 465     SER B   -10                                                      
REMARK 465     GLY B    -9                                                      
REMARK 465     ARG B    -8                                                      
REMARK 465     GLU B    -7                                                      
REMARK 465     ASN B    -6                                                      
REMARK 465     LEU B    -5                                                      
REMARK 465     TYR B    -4                                                      
REMARK 465     PHE B    -3                                                      
REMARK 465     SER B    -2                                                      
REMARK 465     ALA B   125                                                      
REMARK 465     LYS B   126                                                      
REMARK 465     ASP B   127                                                      
REMARK 465     PHE B   128                                                      
REMARK 465     ASP B   129                                                      
REMARK 465     MSE B   196                                                      
REMARK 465     GLU B   197                                                      
REMARK 465     GLY B   198                                                      
REMARK 465     SER B   199                                                      
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   NE   ARG A   110     O    HOH A   257              2.11            
REMARK 500   O    GLN A    13     O    HOH A   254              2.18            
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   410     O    HOH B   410     4556     1.67            
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    MSE A  78       34.33    -97.85                                   
REMARK 500    GLU A  91       97.85    -65.59                                   
REMARK 500    ASP A  92      -63.04    -96.99                                   
REMARK 500    LEU A 132      -87.41    -89.70                                   
REMARK 500    GLU A 134      -72.63    -60.75                                   
REMARK 500    GLU A 152      -75.35    -45.88                                   
REMARK 500    ARG A 153        1.48    -53.80                                   
REMARK 500    ARG A 153       43.25    -80.87                                   
REMARK 500    LEU A 154       -4.30   -161.17                                   
REMARK 500    GLU A 183      -12.63   -146.85                                   
REMARK 500    TYR A 186       72.12   -112.55                                   
REMARK 500    HIS B   0       78.89   -102.72                                   
REMARK 500    LEU B 132      -75.06   -102.81                                   
REMARK 500    GLU B 134      -71.01    -69.41                                   
REMARK 500    GLU B 183      -18.11   -143.32                                   
REMARK 500    TYR B 186       72.18   -115.72                                   
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 SAH A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH B 203                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: APC5543   RELATED DB: TARGETDB                           
DBREF  2BB3 A    1   197  UNP    O29536   O29536_ARCFU     1    197             
DBREF  2BB3 B    1   197  UNP    O29536   O29536_ARCFU     1    197             
SEQADV 2BB3 MSE A  -21  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY A  -20  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A  -19  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A  -18  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -17  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -16  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -15  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -14  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -13  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A  -12  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A  -11  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A  -10  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY A   -9  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 ARG A   -8  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLU A   -7  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 ASN A   -6  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 LEU A   -5  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 TYR A   -4  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 PHE A   -3  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A   -2  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY A   -1  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS A    0  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 MSE A    1  UNP  O29536    MET     1 MODIFIED RESIDUE               
SEQADV 2BB3 MSE A   61  UNP  O29536    MET    61 MODIFIED RESIDUE               
SEQADV 2BB3 MSE A   78  UNP  O29536    MET    78 MODIFIED RESIDUE               
SEQADV 2BB3 MSE A  167  UNP  O29536    MET   167 MODIFIED RESIDUE               
SEQADV 2BB3 MSE A  196  UNP  O29536    MET   196 MODIFIED RESIDUE               
SEQADV 2BB3 GLY A  198  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER A  199  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 MSE B  -21  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY B  -20  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B  -19  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B  -18  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -17  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -16  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -15  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -14  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -13  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B  -12  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B  -11  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B  -10  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY B   -9  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 ARG B   -8  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLU B   -7  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 ASN B   -6  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 LEU B   -5  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 TYR B   -4  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 PHE B   -3  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B   -2  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 GLY B   -1  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 HIS B    0  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 MSE B    1  UNP  O29536    MET     1 MODIFIED RESIDUE               
SEQADV 2BB3 MSE B   61  UNP  O29536    MET    61 MODIFIED RESIDUE               
SEQADV 2BB3 MSE B   78  UNP  O29536    MET    78 MODIFIED RESIDUE               
SEQADV 2BB3 MSE B  167  UNP  O29536    MET   167 MODIFIED RESIDUE               
SEQADV 2BB3 MSE B  196  UNP  O29536    MET   196 MODIFIED RESIDUE               
SEQADV 2BB3 GLY B  198  UNP  O29536              CLONING ARTIFACT               
SEQADV 2BB3 SER B  199  UNP  O29536              CLONING ARTIFACT               
SEQRES   1 A  221  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  221  ARG GLU ASN LEU TYR PHE SER GLY HIS MSE ILE TRP ILE          
SEQRES   3 A  221  VAL GLY SER GLY THR CYS ARG GLY GLN THR THR GLU ARG          
SEQRES   4 A  221  ALA LYS GLU ILE ILE GLU ARG ALA GLU VAL ILE TYR GLY          
SEQRES   5 A  221  SER ARG ARG ALA LEU GLU LEU ALA GLY VAL VAL ASP ASP          
SEQRES   6 A  221  SER ARG ALA ARG ILE LEU ARG SER PHE LYS GLY ASP GLU          
SEQRES   7 A  221  ILE ARG ARG ILE MSE GLU GLU GLY ARG GLU ARG GLU VAL          
SEQRES   8 A  221  ALA VAL ILE SER THR GLY ASP PRO MSE VAL ALA GLY LEU          
SEQRES   9 A  221  GLY ARG VAL LEU ARG GLU ILE ALA GLU ASP VAL GLU ILE          
SEQRES  10 A  221  LYS ILE GLU PRO ALA ILE SER SER VAL GLN VAL ALA LEU          
SEQRES  11 A  221  ALA ARG LEU LYS VAL ASP LEU SER GLU VAL ALA VAL VAL          
SEQRES  12 A  221  ASP CYS HIS ALA LYS ASP PHE ASP ALA GLU LEU THR GLU          
SEQRES  13 A  221  LEU LEU LYS TYR ARG HIS LEU LEU ILE LEU ALA ASP SER          
SEQRES  14 A  221  HIS PHE PRO LEU GLU ARG LEU GLY LYS ARG ARG VAL VAL          
SEQRES  15 A  221  LEU LEU GLU ASN LEU CYS MSE GLU GLY GLU ARG ILE ARG          
SEQRES  16 A  221  GLU GLY ASN ALA ASP SER ILE GLU LEU GLU SER ASP TYR          
SEQRES  17 A  221  THR ILE ILE PHE VAL GLU ARG GLU VAL MSE GLU GLY SER          
SEQRES   1 B  221  MSE GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  221  ARG GLU ASN LEU TYR PHE SER GLY HIS MSE ILE TRP ILE          
SEQRES   3 B  221  VAL GLY SER GLY THR CYS ARG GLY GLN THR THR GLU ARG          
SEQRES   4 B  221  ALA LYS GLU ILE ILE GLU ARG ALA GLU VAL ILE TYR GLY          
SEQRES   5 B  221  SER ARG ARG ALA LEU GLU LEU ALA GLY VAL VAL ASP ASP          
SEQRES   6 B  221  SER ARG ALA ARG ILE LEU ARG SER PHE LYS GLY ASP GLU          
SEQRES   7 B  221  ILE ARG ARG ILE MSE GLU GLU GLY ARG GLU ARG GLU VAL          
SEQRES   8 B  221  ALA VAL ILE SER THR GLY ASP PRO MSE VAL ALA GLY LEU          
SEQRES   9 B  221  GLY ARG VAL LEU ARG GLU ILE ALA GLU ASP VAL GLU ILE          
SEQRES  10 B  221  LYS ILE GLU PRO ALA ILE SER SER VAL GLN VAL ALA LEU          
SEQRES  11 B  221  ALA ARG LEU LYS VAL ASP LEU SER GLU VAL ALA VAL VAL          
SEQRES  12 B  221  ASP CYS HIS ALA LYS ASP PHE ASP ALA GLU LEU THR GLU          
SEQRES  13 B  221  LEU LEU LYS TYR ARG HIS LEU LEU ILE LEU ALA ASP SER          
SEQRES  14 B  221  HIS PHE PRO LEU GLU ARG LEU GLY LYS ARG ARG VAL VAL          
SEQRES  15 B  221  LEU LEU GLU ASN LEU CYS MSE GLU GLY GLU ARG ILE ARG          
SEQRES  16 B  221  GLU GLY ASN ALA ASP SER ILE GLU LEU GLU SER ASP TYR          
SEQRES  17 B  221  THR ILE ILE PHE VAL GLU ARG GLU VAL MSE GLU GLY SER          
MODRES 2BB3 MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE A   61  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE A   78  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE A  167  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE B    1  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE B   61  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE B   78  MET  SELENOMETHIONINE                                   
MODRES 2BB3 MSE B  167  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A  61       8                                                       
HET    MSE  A  78       8                                                       
HET    MSE  A 167       8                                                       
HET    MSE  B   1       8                                                       
HET    MSE  B  61       8                                                       
HET    MSE  B  78       8                                                       
HET    MSE  B 167       8                                                       
HET    SAH  A 201      26                                                       
HET    SAH  B 203      26                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SAH S-ADENOSYL-L-HOMOCYSTEINE                                        
FORMUL   1  MSE    8(C5 H11 N O2 SE)                                            
FORMUL   3  SAH    2(C14 H20 N6 O5 S)                                           
FORMUL   5  HOH   *180(H2 O)                                                    
HELIX    1   1 THR A   15  ALA A   25  1                                  11    
HELIX    2   2 SER A   31  ALA A   38  1                                   8    
HELIX    3   3 LYS A   53  ARG A   67  1                                  15    
HELIX    4   4 LEU A   82  GLU A   88  1                                   7    
HELIX    5   5 SER A  102  LYS A  112  1                                  11    
HELIX    6   6 ASP A  114  SER A  116  5                                   3    
HELIX    7   7 ASP A  129  GLU A  134  1                                   6    
HELIX    8   8 GLU A  134  ARG A  139  1                                   6    
HELIX    9   9 LEU A  151  GLY A  155  5                                   5    
HELIX   10  10 THR B   15  ALA B   25  1                                  11    
HELIX   11  11 SER B   31  ALA B   38  1                                   8    
HELIX   12  12 LYS B   53  ARG B   67  1                                  15    
HELIX   13  13 LEU B   82  ARG B   87  1                                   6    
HELIX   14  14 SER B  102  LYS B  112  1                                  11    
HELIX   15  15 ASP B  114  SER B  116  5                                   3    
HELIX   16  16 GLU B  134  TYR B  138  5                                   5    
HELIX   17  17 PRO B  150  GLY B  155  5                                   6    
HELIX   18  18 ASP B  178  ILE B  180  5                                   3    
SHEET    1   A 5 ALA A  46  ILE A  48  0                                        
SHEET    2   A 5 VAL A  27  GLY A  30  1  N  ILE A  28   O  ARG A  47           
SHEET    3   A 5 VAL A  69  SER A  73  1  O  ALA A  70   N  TYR A  29           
SHEET    4   A 5 MSE A   1  GLY A   6  1  N  VAL A   5   O  VAL A  71           
SHEET    5   A 5 GLU A  94  GLU A  98  1  O  GLU A  98   N  ILE A   4           
SHEET    1   B 5 VAL A 118  ASP A 122  0                                        
SHEET    2   B 5 HIS A 140  ALA A 145  1  O  LEU A 144   N  VAL A 121           
SHEET    3   B 5 THR A 187  VAL A 191 -1  O  THR A 187   N  ALA A 145           
SHEET    4   B 5 ARG A 158  GLU A 163 -1  N  VAL A 160   O  PHE A 190           
SHEET    5   B 5 ARG A 171  ASN A 176 -1  O  GLY A 175   N  VAL A 159           
SHEET    1   C 5 ALA B  46  ILE B  48  0                                        
SHEET    2   C 5 VAL B  27  GLY B  30  1  N  ILE B  28   O  ARG B 247           
SHEET    3   C 5 VAL B  69  SER B  73  1  O  ILE B  72   N  TYR B  29           
SHEET    4   C 5 MSE B   1  GLY B   6  1  N  VAL B   5   O  VAL B  71           
SHEET    5   C 5 GLU B  94  GLU B  98  1  O  GLU B  98   N  ILE B   4           
SHEET    1   D 5 VAL B 118  ASP B 122  0                                        
SHEET    2   D 5 HIS B 140  ALA B 145  1  O  LEU B 144   N  VAL B 121           
SHEET    3   D 5 THR B 187  VAL B 191 -1  O  THR B 187   N  ALA B 145           
SHEET    4   D 5 ARG B 158  GLU B 163 -1  N  VAL B 160   O  PHE B 190           
SHEET    5   D 5 ARG B 171  ASN B 176 -1  O  GLY B 175   N  VAL B 159           
SSBOND   1 CYS A   10    CYS A  166                          1555   1555  2.02  
SSBOND   2 CYS B   10    CYS B  166                          1555   1555  2.02  
LINK         C   HIS A   0                 N   MSE A   1     1555   1555  1.33  
LINK         C   MSE A   1                 N   ILE A   2     1555   1555  1.33  
LINK         C   ILE A  60                 N   MSE A  61     1555   1555  1.33  
LINK         C   MSE A  61                 N   GLU A  62     1555   1555  1.33  
LINK         C   PRO A  77                 N   MSE A  78     1555   1555  1.32  
LINK         C   MSE A  78                 N   VAL A  79     1555   1555  1.33  
LINK         C   CYS A 166                 N   MSE A 167     1555   1555  1.32  
LINK         C   MSE A 167                 N  AGLU A 168     1555   1555  1.32  
LINK         C   MSE A 167                 N  BGLU A 168     1555   1555  1.34  
LINK         C   HIS B   0                 N   MSE B   1     1555   1555  1.32  
LINK         C   MSE B   1                 N   ILE B   2     1555   1555  1.33  
LINK         C   ILE B  60                 N   MSE B  61     1555   1555  1.33  
LINK         C   MSE B  61                 N   GLU B  62     1555   1555  1.33  
LINK         C   PRO B  77                 N   MSE B  78     1555   1555  1.32  
LINK         C   MSE B  78                 N   VAL B  79     1555   1555  1.34  
LINK         C   CYS B 166                 N   MSE B 167     1555   1555  1.32  
LINK         C   MSE B 167                 N  BGLU B 368     1555   1555  1.32  
LINK         C   MSE B 167                 N  AGLU B 368     1555   1555  1.33  
SITE     1 AC1 19 THR A  74  GLY A  75  ASP A  76  VAL A  79                    
SITE     2 AC1 19 ALA A  80  SER A 102  SER A 103  LEU A 144                    
SITE     3 AC1 19 ALA A 145  LEU A 165  MSE A 167  ASP A 185                    
SITE     4 AC1 19 TYR A 186  THR A 187  ILE A 188  HOH A 208                    
SITE     5 AC1 19 HOH A 213  HOH A 225  HOH A 292                               
SITE     1 AC2 17 THR B  74  GLY B  75  ASP B  76  VAL B  79                    
SITE     2 AC2 17 ALA B  80  SER B 102  SER B 103  LEU B 144                    
SITE     3 AC2 17 ALA B 145  LEU B 162  LEU B 165  MSE B 167                    
SITE     4 AC2 17 ASP B 185  TYR B 186  THR B 187  ILE B 188                    
SITE     5 AC2 17 HOH B 376                                                     
CRYST1   88.191   88.418  115.932  90.00  90.00  90.00 C 2 2 21     16          
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      0.011339  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011310  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008626        0.00000