HEADER    LYASE                                   16-OCT-99   1D7A              
TITLE     CRYSTAL STRUCTURE OF E. COLI PURE-MONONUCLEOTIDE COMPLEX.             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE;                  
COMPND   3 CHAIN: A, B, C, D, L, M, N, O;                                       
COMPND   4 FRAGMENT: CATALYTIC SUBUNIT;                                         
COMPND   5 EC: 4.1.1.21;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PNC2                                      
KEYWDS    THREE-LAYER (ALPHA-BETA-ALPHA) SANDWICH N5-CAIR MUTASE (PURE),        
KEYWDS   2 AMINOIMIDAZOLE RIBONUCLEOTIDE (AIR), LYASE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.I.MATHEWS,T.J.KAPPOCK,J.STUBBE,S.E.EALICK                           
REVDAT   6   20-NOV-24 1D7A    1       REMARK                                   
REVDAT   5   03-NOV-21 1D7A    1       REMARK SEQADV LINK                       
REVDAT   4   24-JAN-18 1D7A    1       JRNL                                     
REVDAT   3   24-FEB-09 1D7A    1       VERSN                                    
REVDAT   2   01-APR-03 1D7A    1       JRNL                                     
REVDAT   1   03-DEC-99 1D7A    0                                                
JRNL        AUTH   I.I.MATHEWS,T.J.KAPPOCK,J.STUBBE,S.E.EALICK                  
JRNL        TITL   CRYSTAL STRUCTURE OF ESCHERICHIA COLI PURE, AN UNUSUAL       
JRNL        TITL 2 MUTASE IN THE PURINE BIOSYNTHETIC PATHWAY.                   
JRNL        REF    STRUCTURE FOLD.DES.           V.   7  1395 1999              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   10574791                                                     
JRNL        DOI    10.1016/S0969-2126(00)80029-5                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   E.MEYER,T.J.KAPPOCK,C.OSUJI,J.STUBBE                         
REMARK   1  TITL   EVIDENCE FOR THE DIRECT TRANSFER OF THE CARBOXYLATE OF       
REMARK   1  TITL 2 N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE (N5-CAIR) TO         
REMARK   1  TITL 3 GENERATE 4-CARBOXY-5- AMINOIMIDAZOLE RIBONUCLEOTIDE          
REMARK   1  TITL 4 CATALYZED BY ESCHERICHIA COLI PURE, AN N5-CAIR MUTASE        
REMARK   1  REF    BIOCHEMISTRY                  V.  38  3012 1999              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI9827159                                            
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   S.M.FIRESTINE,S.W.POON,E.J.MUELLER,J.STUBBE,V.J.DAVISSON     
REMARK   1  TITL   REACTIONS CATALYZED BY 5-AMINOIMIDAZOLE RIBONUCLEOTIDE       
REMARK   1  TITL 2 CARBOXYLASES FROM ESCHERICHIA COLI AND GALLUS GALLUS: A CASE 
REMARK   1  TITL 3 FOR DIVERGENT CATALYTIC MECHANISMS                           
REMARK   1  REF    BIOCHEMISTRY                  V.  33 11927 1994              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   E.J.MUELLER,E.MEYER,J.RUDOLPH,V.J.DAVISSON,J.STUBBE          
REMARK   1  TITL   N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE: EVIDENCE FOR A NEW  
REMARK   1  TITL 2 INTERMEDIATE AND TWO NEW ENZYMATIC ACTIVITIES IN THE DE NOVO 
REMARK   1  TITL 3 PURINE BIOSYNTHETIC PATHWAY OF ESCHERICHIA COLI              
REMARK   1  REF    BIOCHEMISTRY                  V.  33  2269 1994              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   A.A.TIEDEMAN,J.KEYHANI,J.KAMHOLZ,H.A.DAUM III,J.S.GOTS,      
REMARK   1  AUTH 2 J.M.SMITH                                                    
REMARK   1  TITL   NUCLEOTIDE SEQUENCE ANALYSIS OF THE PUREK OPERON ENCODING    
REMARK   1  TITL 2 5'-PHOSPHORIBOSYL-5-AMINOIMIDAZOLE CARBOXYLASE OF            
REMARK   1  TITL 3 ESCHERICHIA COLI K-12                                        
REMARK   1  REF    J.BACTERIOL.                  V. 171   205 1989              
REMARK   1  REFN                   ISSN 0021-9193                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   W.WATANABE,G.SAMPEI,A.AIBA,K.MIZOBUCHI                       
REMARK   1  TITL   IDENTIFICATION AND SEQUENCE ANALYSIS OF ESCHERICHIA COLI     
REMARK   1  TITL 2 PURE AND PURK GENES ENCODING                                 
REMARK   1  TITL 3 5'-PHOSPHORIBOSYL-5-AMINO-4-IMIDAZOLE CARBOXYLASE FOR DE     
REMARK   1  TITL 4 NOVO PURINE BIOSYNTHESIS                                     
REMARK   1  REF    J.BACTERIOL.                  V. 171   198 1989              
REMARK   1  REFN                   ISSN 0021-9193                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.843                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 82.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 36925                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.239                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 5                               
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 9528                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 76                                      
REMARK   3   SOLVENT ATOMS            : 120                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 14.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1D7A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-OCT-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009852.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-DEC-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.918                              
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 : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37498                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.7                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : 0.08700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, AMMONIUM ACETATE, TRIS.HCL, 4   
REMARK 280  -CARBOXY AMINOIMIDAZOLE RIBONUCLEOTIDE (CAIR), PH 8.00, VAPOR       
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 281K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   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       43.46000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       74.98000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       47.27500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       74.98000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       43.46000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       47.27500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: OCTAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 35430 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 39060 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -175.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, L, M, N, O                
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 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   N6   AIR A   300     O    HOH A   802              2.04            
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    ALA A  96      -70.69    -58.25                                   
REMARK 500    GLN A 109       39.99    -80.47                                   
REMARK 500    ASN A 162       54.59   -153.30                                   
REMARK 500    GLN B 109       40.36    -79.25                                   
REMARK 500    ASN B 162       55.18   -154.68                                   
REMARK 500    GLN C 109       40.48    -79.60                                   
REMARK 500    ASN C 162       55.80   -155.73                                   
REMARK 500    GLN D 109       39.25    -78.83                                   
REMARK 500    ASN D 162       54.34   -154.17                                   
REMARK 500    GLN L 109       40.29    -83.48                                   
REMARK 500    ASP L 141       89.55   -153.64                                   
REMARK 500    ASN L 162       59.13   -146.02                                   
REMARK 500    GLN M 109       40.10    -83.70                                   
REMARK 500    GLN N 109       39.58    -82.57                                   
REMARK 500    ASP N 141       89.42   -152.43                                   
REMARK 500    GLN O 109       40.06    -82.54                                   
REMARK 500    ALA O 138       -9.48    -59.91                                   
REMARK 500    ASP O 141       89.31   -153.03                                   
REMARK 500    ASN O 162       59.92   -145.57                                   
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 AIR A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AIR B 350                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AIR C 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AIR D 450                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QCZ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF E. COLI PURE                                    
DBREF  1D7A A    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A B    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A C    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A D    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A L    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A M    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A N    7   167  UNP    P09028   PUR6_ECOLI       7    167             
DBREF  1D7A O    7   167  UNP    P09028   PUR6_ECOLI       7    167             
SEQADV 1D7A GLY A    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE A   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE A   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE A   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE A  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY B    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE B   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE B   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE B   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE B  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY C    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE C   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE C   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE C   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE C  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY D    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE D   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE D   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE D   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE D  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY L    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE L   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE L   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE L   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE L  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY M    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE M   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE M   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE M   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE M  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY N    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE N   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE N   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE N   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE N  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQADV 1D7A GLY O    7  UNP  P09028    PRO     7 CONFLICT                       
SEQADV 1D7A MSE O   14  UNP  P09028    MET    14 ENGINEERED MUTATION            
SEQADV 1D7A MSE O   23  UNP  P09028    MET    23 ENGINEERED MUTATION            
SEQADV 1D7A MSE O   79  UNP  P09028    MET    79 ENGINEERED MUTATION            
SEQADV 1D7A MSE O  110  UNP  P09028    MET   110 ENGINEERED MUTATION            
SEQRES   1 A  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 A  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 A  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 A  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 A  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 A  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 A  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 A  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 A  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 A  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 A  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 A  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 A  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 B  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 B  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 B  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 B  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 B  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 B  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 B  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 B  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 B  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 B  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 B  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 B  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 B  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 C  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 C  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 C  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 C  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 C  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 C  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 C  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 C  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 C  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 C  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 C  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 C  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 C  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 D  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 D  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 D  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 D  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 D  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 D  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 D  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 D  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 D  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 D  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 D  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 D  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 D  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 L  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 L  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 L  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 L  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 L  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 L  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 L  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 L  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 L  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 L  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 L  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 L  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 L  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 M  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 M  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 M  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 M  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 M  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 M  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 M  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 M  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 M  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 M  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 M  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 M  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 M  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 N  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 N  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 N  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 N  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 N  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 N  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 N  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 N  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 N  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 N  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 N  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 N  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 N  161  PRO ASP PRO ARG GLY                                          
SEQRES   1 O  161  GLY ALA ARG VAL ALA ILE VAL MSE GLY SER LYS SER ASP          
SEQRES   2 O  161  TRP ALA THR MSE GLN PHE ALA ALA GLU ILE PHE GLU ILE          
SEQRES   3 O  161  LEU ASN VAL PRO HIS HIS VAL GLU VAL VAL SER ALA HIS          
SEQRES   4 O  161  ARG THR PRO ASP LYS LEU PHE SER PHE ALA GLU SER ALA          
SEQRES   5 O  161  GLU GLU ASN GLY TYR GLN VAL ILE ILE ALA GLY ALA GLY          
SEQRES   6 O  161  GLY ALA ALA HIS LEU PRO GLY MSE ILE ALA ALA LYS THR          
SEQRES   7 O  161  LEU VAL PRO VAL LEU GLY VAL PRO VAL GLN SER ALA ALA          
SEQRES   8 O  161  LEU SER GLY VAL ASP SER LEU TYR SER ILE VAL GLN MSE          
SEQRES   9 O  161  PRO ARG GLY ILE PRO VAL GLY THR LEU ALA ILE GLY LYS          
SEQRES  10 O  161  ALA GLY ALA ALA ASN ALA ALA LEU LEU ALA ALA GLN ILE          
SEQRES  11 O  161  LEU ALA THR HIS ASP LYS GLU LEU HIS GLN ARG LEU ASN          
SEQRES  12 O  161  ASP TRP ARG LYS ALA GLN THR ASP GLU VAL LEU GLU ASN          
SEQRES  13 O  161  PRO ASP PRO ARG GLY                                          
MODRES 1D7A MSE A   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE A   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE A   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE A  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE B   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE B   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE B   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE B  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE C   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE C   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE C   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE C  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE D   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE D   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE D   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE D  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE L   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE L   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE L   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE L  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE M   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE M   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE M   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE M  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE N   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE N   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE N   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE N  110  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE O   14  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE O   23  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE O   79  MET  SELENOMETHIONINE                                   
MODRES 1D7A MSE O  110  MET  SELENOMETHIONINE                                   
HET    MSE  A  14       8                                                       
HET    MSE  A  23       8                                                       
HET    MSE  A  79       8                                                       
HET    MSE  A 110       8                                                       
HET    MSE  B  14       8                                                       
HET    MSE  B  23       8                                                       
HET    MSE  B  79       8                                                       
HET    MSE  B 110       8                                                       
HET    MSE  C  14       8                                                       
HET    MSE  C  23       8                                                       
HET    MSE  C  79       8                                                       
HET    MSE  C 110       8                                                       
HET    MSE  D  14       8                                                       
HET    MSE  D  23       8                                                       
HET    MSE  D  79       8                                                       
HET    MSE  D 110       8                                                       
HET    MSE  L  14       8                                                       
HET    MSE  L  23       8                                                       
HET    MSE  L  79       8                                                       
HET    MSE  L 110       8                                                       
HET    MSE  M  14       8                                                       
HET    MSE  M  23       8                                                       
HET    MSE  M  79       8                                                       
HET    MSE  M 110       8                                                       
HET    MSE  N  14       8                                                       
HET    MSE  N  23       8                                                       
HET    MSE  N  79       8                                                       
HET    MSE  N 110       8                                                       
HET    MSE  O  14       8                                                       
HET    MSE  O  23       8                                                       
HET    MSE  O  79       8                                                       
HET    MSE  O 110       8                                                       
HET    AIR  A 300      19                                                       
HET    AIR  B 350      19                                                       
HET    AIR  C 400      19                                                       
HET    AIR  D 450      19                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     AIR 5-AMINOIMIDAZOLE RIBONUCLEOTIDE                                  
FORMUL   1  MSE    32(C5 H11 N O2 SE)                                           
FORMUL   9  AIR    4(C8 H14 N3 O7 P)                                            
FORMUL  13  HOH   *120(H2 O)                                                    
HELIX    1   1 SER A   16  SER A   18  5                                   3    
HELIX    2   2 ASP A   19  ASN A   34  1                                  16    
HELIX    3   3 THR A   47  SER A   57  1                                  11    
HELIX    4   4 HIS A   75  LYS A   83  1                                   9    
HELIX    5   5 GLY A  100  GLN A  109  1                                  10    
HELIX    6   6 GLY A  122  ALA A  138  1                                  17    
HELIX    7   7 ASP A  141  GLU A  161  1                                  21    
HELIX    8   8 SER B   16  SER B   18  5                                   3    
HELIX    9   9 ASP B   19  LEU B   33  1                                  15    
HELIX   10  10 THR B   47  SER B   57  1                                  11    
HELIX   11  11 HIS B   75  THR B   84  1                                  10    
HELIX   12  12 GLY B  100  GLN B  109  1                                  10    
HELIX   13  13 GLY B  122  ALA B  138  1                                  17    
HELIX   14  14 ASP B  141  GLU B  161  1                                  21    
HELIX   15  15 SER C   16  SER C   18  5                                   3    
HELIX   16  16 ASP C   19  ASN C   34  1                                  16    
HELIX   17  17 THR C   47  SER C   57  1                                  11    
HELIX   18  18 HIS C   75  LYS C   83  1                                   9    
HELIX   19  19 GLY C  100  GLN C  109  1                                  10    
HELIX   20  20 GLY C  122  ALA C  138  1                                  17    
HELIX   21  21 ASP C  141  GLU C  161  1                                  21    
HELIX   22  22 SER D   16  SER D   18  5                                   3    
HELIX   23  23 ASP D   19  ASN D   34  1                                  16    
HELIX   24  24 THR D   47  SER D   57  1                                  11    
HELIX   25  25 HIS D   75  LYS D   83  1                                   9    
HELIX   26  26 GLY D  100  GLN D  109  1                                  10    
HELIX   27  27 GLY D  122  ALA D  138  1                                  17    
HELIX   28  28 ASP D  141  GLU D  161  1                                  21    
HELIX   29  29 SER L   16  SER L   18  5                                   3    
HELIX   30  30 ASP L   19  LEU L   33  1                                  15    
HELIX   31  31 THR L   47  SER L   57  1                                  11    
HELIX   32  32 HIS L   75  ALA L   82  1                                   8    
HELIX   33  33 GLY L  100  GLN L  109  1                                  10    
HELIX   34  34 GLY L  122  ALA L  138  1                                  17    
HELIX   35  35 ASP L  141  GLU L  161  1                                  21    
HELIX   36  36 SER M   16  SER M   18  5                                   3    
HELIX   37  37 ASP M   19  LEU M   33  1                                  15    
HELIX   38  38 THR M   47  SER M   57  1                                  11    
HELIX   39  39 HIS M   75  ALA M   82  1                                   8    
HELIX   40  40 GLY M  100  GLN M  109  1                                  10    
HELIX   41  41 GLY M  122  ALA M  138  1                                  17    
HELIX   42  42 ASP M  141  GLU M  161  1                                  21    
HELIX   43  43 SER N   16  SER N   18  5                                   3    
HELIX   44  44 ASP N   19  LEU N   33  1                                  15    
HELIX   45  45 THR N   47  SER N   57  1                                  11    
HELIX   46  46 HIS N   75  LYS N   83  1                                   9    
HELIX   47  47 GLY N  100  GLN N  109  1                                  10    
HELIX   48  48 GLY N  122  ALA N  138  1                                  17    
HELIX   49  49 ASP N  141  GLU N  161  1                                  21    
HELIX   50  50 SER O   16  SER O   18  5                                   3    
HELIX   51  51 ASP O   19  LEU O   33  1                                  15    
HELIX   52  52 THR O   47  SER O   57  1                                  11    
HELIX   53  53 HIS O   75  ALA O   82  1                                   8    
HELIX   54  54 GLY O  100  GLN O  109  1                                  10    
HELIX   55  55 GLY O  122  ALA O  138  1                                  17    
HELIX   56  56 ASP O  141  GLU O  161  1                                  21    
SHEET    1   A 5 HIS A  37  VAL A  41  0                                        
SHEET    2   A 5 VAL A  10  MSE A  14  1  O  VAL A  10   N  HIS A  38           
SHEET    3   A 5 VAL A  65  ALA A  70  1  O  VAL A  65   N  ALA A  11           
SHEET    4   A 5 VAL A  88  PRO A  92  1  N  LEU A  89   O  ILE A  66           
SHEET    5   A 5 GLY A 117  THR A 118  1  O  GLY A 117   N  GLY A  90           
SHEET    1   B 5 HIS B  37  VAL B  41  0                                        
SHEET    2   B 5 VAL B  10  MSE B  14  1  O  VAL B  10   N  HIS B  38           
SHEET    3   B 5 VAL B  65  GLY B  71  1  O  VAL B  65   N  ALA B  11           
SHEET    4   B 5 VAL B  88  VAL B  93  1  N  LEU B  89   O  ILE B  66           
SHEET    5   B 5 GLY B 117  THR B 118  1  N  GLY B 117   O  VAL B  88           
SHEET    1   C 5 HIS C  37  VAL C  41  0                                        
SHEET    2   C 5 VAL C  10  MSE C  14  1  O  VAL C  10   N  HIS C  38           
SHEET    3   C 5 VAL C  65  GLY C  71  1  O  VAL C  65   N  ALA C  11           
SHEET    4   C 5 VAL C  88  VAL C  93  1  N  LEU C  89   O  ILE C  66           
SHEET    5   C 5 GLY C 117  THR C 118  1  N  GLY C 117   O  VAL C  88           
SHEET    1   D 5 HIS D  37  VAL D  41  0                                        
SHEET    2   D 5 VAL D  10  MSE D  14  1  O  VAL D  10   N  HIS D  38           
SHEET    3   D 5 VAL D  65  ALA D  70  1  O  VAL D  65   N  ALA D  11           
SHEET    4   D 5 VAL D  88  PRO D  92  1  N  LEU D  89   O  ILE D  66           
SHEET    5   D 5 GLY D 117  THR D 118  1  N  GLY D 117   O  VAL D  88           
SHEET    1   E 5 HIS L  37  VAL L  41  0                                        
SHEET    2   E 5 VAL L  10  MSE L  14  1  O  VAL L  10   N  HIS L  38           
SHEET    3   E 5 VAL L  65  GLY L  71  1  O  VAL L  65   N  ALA L  11           
SHEET    4   E 5 VAL L  88  VAL L  93  1  N  LEU L  89   O  ILE L  66           
SHEET    5   E 5 GLY L 117  THR L 118  1  N  GLY L 117   O  VAL L  88           
SHEET    1   F 5 HIS M  37  VAL M  41  0                                        
SHEET    2   F 5 VAL M  10  MSE M  14  1  O  VAL M  10   N  HIS M  38           
SHEET    3   F 5 VAL M  65  ALA M  70  1  O  VAL M  65   N  ALA M  11           
SHEET    4   F 5 VAL M  88  PRO M  92  1  N  LEU M  89   O  ILE M  66           
SHEET    5   F 5 GLY M 117  THR M 118  1  O  GLY M 117   N  GLY M  90           
SHEET    1   G 5 HIS N  37  VAL N  41  0                                        
SHEET    2   G 5 VAL N  10  MSE N  14  1  O  VAL N  10   N  HIS N  38           
SHEET    3   G 5 VAL N  65  ALA N  70  1  O  VAL N  65   N  ALA N  11           
SHEET    4   G 5 VAL N  88  PRO N  92  1  N  LEU N  89   O  ILE N  66           
SHEET    5   G 5 GLY N 117  THR N 118  1  O  GLY N 117   N  GLY N  90           
SHEET    1   H 5 HIS O  37  VAL O  41  0                                        
SHEET    2   H 5 VAL O  10  MSE O  14  1  O  VAL O  10   N  HIS O  38           
SHEET    3   H 5 VAL O  65  GLY O  71  1  O  VAL O  65   N  ALA O  11           
SHEET    4   H 5 VAL O  88  VAL O  93  1  N  LEU O  89   O  ILE O  66           
SHEET    5   H 5 GLY O 117  THR O 118  1  N  GLY O 117   O  VAL O  88           
LINK         C   VAL A  13                 N   MSE A  14     1555   1555  1.33  
LINK         C   MSE A  14                 N   GLY A  15     1555   1555  1.33  
LINK         C   THR A  22                 N   MSE A  23     1555   1555  1.33  
LINK         C   MSE A  23                 N   GLN A  24     1555   1555  1.34  
LINK         C   GLY A  78                 N   MSE A  79     1555   1555  1.33  
LINK         C   MSE A  79                 N   ILE A  80     1555   1555  1.33  
LINK         C   GLN A 109                 N   MSE A 110     1555   1555  1.33  
LINK         C   MSE A 110                 N   PRO A 111     1555   1555  1.35  
LINK         C   VAL B  13                 N   MSE B  14     1555   1555  1.33  
LINK         C   MSE B  14                 N   GLY B  15     1555   1555  1.33  
LINK         C   THR B  22                 N   MSE B  23     1555   1555  1.33  
LINK         C   MSE B  23                 N   GLN B  24     1555   1555  1.34  
LINK         C   GLY B  78                 N   MSE B  79     1555   1555  1.33  
LINK         C   MSE B  79                 N   ILE B  80     1555   1555  1.33  
LINK         C   GLN B 109                 N   MSE B 110     1555   1555  1.33  
LINK         C   MSE B 110                 N   PRO B 111     1555   1555  1.34  
LINK         C   VAL C  13                 N   MSE C  14     1555   1555  1.33  
LINK         C   MSE C  14                 N   GLY C  15     1555   1555  1.33  
LINK         C   THR C  22                 N   MSE C  23     1555   1555  1.33  
LINK         C   MSE C  23                 N   GLN C  24     1555   1555  1.33  
LINK         C   GLY C  78                 N   MSE C  79     1555   1555  1.33  
LINK         C   MSE C  79                 N   ILE C  80     1555   1555  1.33  
LINK         C   GLN C 109                 N   MSE C 110     1555   1555  1.33  
LINK         C   MSE C 110                 N   PRO C 111     1555   1555  1.35  
LINK         C   VAL D  13                 N   MSE D  14     1555   1555  1.33  
LINK         C   MSE D  14                 N   GLY D  15     1555   1555  1.33  
LINK         C   THR D  22                 N   MSE D  23     1555   1555  1.33  
LINK         C   MSE D  23                 N   GLN D  24     1555   1555  1.33  
LINK         C   GLY D  78                 N   MSE D  79     1555   1555  1.33  
LINK         C   MSE D  79                 N   ILE D  80     1555   1555  1.33  
LINK         C   GLN D 109                 N   MSE D 110     1555   1555  1.33  
LINK         C   MSE D 110                 N   PRO D 111     1555   1555  1.35  
LINK         C   VAL L  13                 N   MSE L  14     1555   1555  1.33  
LINK         C   MSE L  14                 N   GLY L  15     1555   1555  1.33  
LINK         C   THR L  22                 N   MSE L  23     1555   1555  1.33  
LINK         C   MSE L  23                 N   GLN L  24     1555   1555  1.33  
LINK         C   GLY L  78                 N   MSE L  79     1555   1555  1.33  
LINK         C   MSE L  79                 N   ILE L  80     1555   1555  1.33  
LINK         C   GLN L 109                 N   MSE L 110     1555   1555  1.33  
LINK         C   MSE L 110                 N   PRO L 111     1555   1555  1.35  
LINK         C   VAL M  13                 N   MSE M  14     1555   1555  1.33  
LINK         C   MSE M  14                 N   GLY M  15     1555   1555  1.33  
LINK         C   THR M  22                 N   MSE M  23     1555   1555  1.33  
LINK         C   MSE M  23                 N   GLN M  24     1555   1555  1.33  
LINK         C   GLY M  78                 N   MSE M  79     1555   1555  1.33  
LINK         C   MSE M  79                 N   ILE M  80     1555   1555  1.33  
LINK         C   GLN M 109                 N   MSE M 110     1555   1555  1.33  
LINK         C   MSE M 110                 N   PRO M 111     1555   1555  1.34  
LINK         C   VAL N  13                 N   MSE N  14     1555   1555  1.33  
LINK         C   MSE N  14                 N   GLY N  15     1555   1555  1.33  
LINK         C   THR N  22                 N   MSE N  23     1555   1555  1.32  
LINK         C   MSE N  23                 N   GLN N  24     1555   1555  1.33  
LINK         C   GLY N  78                 N   MSE N  79     1555   1555  1.33  
LINK         C   MSE N  79                 N   ILE N  80     1555   1555  1.33  
LINK         C   GLN N 109                 N   MSE N 110     1555   1555  1.33  
LINK         C   MSE N 110                 N   PRO N 111     1555   1555  1.34  
LINK         C   VAL O  13                 N   MSE O  14     1555   1555  1.33  
LINK         C   MSE O  14                 N   GLY O  15     1555   1555  1.33  
LINK         C   THR O  22                 N   MSE O  23     1555   1555  1.33  
LINK         C   MSE O  23                 N   GLN O  24     1555   1555  1.33  
LINK         C   GLY O  78                 N   MSE O  79     1555   1555  1.33  
LINK         C   MSE O  79                 N   ILE O  80     1555   1555  1.33  
LINK         C   GLN O 109                 N   MSE O 110     1555   1555  1.33  
LINK         C   MSE O 110                 N   PRO O 111     1555   1555  1.35  
SITE     1 AC1 10 GLY A  15  SER A  16  ASP A  19  SER A  43                    
SITE     2 AC1 10 HIS A  45  ARG A  46  ALA A  70  GLY A  71                    
SITE     3 AC1 10 HOH A 802  PRO O 111                                          
SITE     1 AC2 10 GLY B  15  SER B  16  SER B  18  ASP B  19                    
SITE     2 AC2 10 SER B  43  HIS B  45  ARG B  46  ALA B  70                    
SITE     3 AC2 10 GLY B  71  PRO N 111                                          
SITE     1 AC3 11 GLY C  15  SER C  16  ASP C  19  SER C  43                    
SITE     2 AC3 11 ALA C  44  HIS C  45  ARG C  46  ALA C  70                    
SITE     3 AC3 11 GLY C  71  HOH C 708  PRO M 111                               
SITE     1 AC4 10 GLY D  15  SER D  16  ASP D  19  SER D  43                    
SITE     2 AC4 10 ALA D  44  HIS D  45  ARG D  46  ALA D  70                    
SITE     3 AC4 10 GLY D  71  PRO L 111                                          
CRYST1   86.920   94.550  149.960  90.00  90.00  90.00 P 21 21 21   32          
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      0.011505  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010576  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006668        0.00000