HEADER    HYDROLASE                               07-APR-03   1OYY              
TITLE     STRUCTURE OF THE RECQ CATALYTIC CORE BOUND TO ATP-GAMMA-S             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ATP-DEPENDENT DNA HELICASE;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: 54 KDA CATALYTIC DOMAIN;                                   
COMPND   5 SYNONYM: RECQ HELICASE;                                              
COMPND   6 EC: 3.6.1.-;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: RECQ;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYSS;                          
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28B DERIVATIVE                     
KEYWDS    RECQ, HELICASE, WINGED HELIX, HELIX-TURN-HELIX, ATP BINDING, ZN(2+)   
KEYWDS   2 BINDING, ATP(GAMMA)S, HYDROLASE                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.A.BERNSTEIN,M.C.ZITTEL,J.L.KECK                                     
REVDAT   5   20-SEP-23 1OYY    1       REMARK                                   
REVDAT   4   21-DEC-22 1OYY    1       REMARK SEQADV LINK                       
REVDAT   3   31-JAN-18 1OYY    1       REMARK                                   
REVDAT   2   24-FEB-09 1OYY    1       VERSN                                    
REVDAT   1   07-OCT-03 1OYY    0                                                
JRNL        AUTH   D.A.BERNSTEIN,M.C.ZITTEL,J.L.KECK                            
JRNL        TITL   HIGH-RESOLUTION STRUCTURE OF THE E. COLI RECQ HELICASE       
JRNL        TITL 2 CATALYTIC CORE                                               
JRNL        REF    EMBO J.                       V.  22  4910 2003              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   14517231                                                     
JRNL        DOI    10.1093/EMBOJ/CDG500                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 16814                          
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 + TEST SET) : 0.230                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.298                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 826                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4037                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 43                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.012 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 2.700 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1OYY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000018818.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-FEB-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9000                             
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          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16814                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.8000                            
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) : 2.63                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 92.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.13300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1OYW                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 1000, PEG 400, MES, AMMONIUM         
REMARK 280  SULFATE, MANGANESE CHLORIDE, PH 7.5, VAPOR DIFFUSION, HANGING       
REMARK 280  DROP, TEMPERATURE 110K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       27.26700            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE:                                                         
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). THE AUTHORS STATE IT IS                
REMARK 300 NOT CLEAR WHAT THE ACTIVE OLIGOMERIC STATE OF E. COLI                
REMARK 300 RECQ HELICASE IS AT THIS TIME.                                       
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: MONOMERIC                         
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 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     PHE A   296                                                      
REMARK 465     GLY A   297                                                      
REMARK 465     MET A   298                                                      
REMARK 465     GLY A   299                                                      
REMARK 465     ALA A   517                                                      
REMARK 465     LEU A   518                                                      
REMARK 465     LYS A   519                                                      
REMARK 465     PRO A   520                                                      
REMARK 465     LYS A   521                                                      
REMARK 465     ALA A   522                                                      
REMARK 465     MET A   523                                                      
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   OD2  ASP A    83     O    HOH A   547              2.08            
REMARK 500   NH1  ARG A   349     OD1  ASN A   369              2.13            
REMARK 500   O    GLU A    32     OG1  THR A    36              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    CYS A  43   CB  -  CA  -  C   ANGL. DEV. = -12.2 DEGREES          
REMARK 500    CYS A  94   CA  -  CB  -  SG  ANGL. DEV. =   7.7 DEGREES          
REMARK 500    ARG A 101   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 112   CD  -  NE  -  CZ  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    ARG A 112   NE  -  CZ  -  NH1 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    ARG A 117   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    LEU A 118   CB  -  CG  -  CD2 ANGL. DEV. = -10.7 DEGREES          
REMARK 500    ARG A 171   NH1 -  CZ  -  NH2 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ARG A 171   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG A 171   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ARG A 194   CD  -  NE  -  CZ  ANGL. DEV. =  11.1 DEGREES          
REMARK 500    TYR A 215   CB  -  CG  -  CD2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ASP A 251   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ARG A 284   CD  -  NE  -  CZ  ANGL. DEV. =  15.4 DEGREES          
REMARK 500    ARG A 284   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ALA A 292   CB  -  CA  -  C   ANGL. DEV. =  -9.5 DEGREES          
REMARK 500    ASP A 312   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    TYR A 320   CB  -  CG  -  CD2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    TYR A 320   CB  -  CG  -  CD1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    GLN A 322   N   -  CA  -  CB  ANGL. DEV. =  11.3 DEGREES          
REMARK 500    ARG A 349   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG A 381   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    ARG A 382   NH1 -  CZ  -  NH2 ANGL. DEV. =   9.3 DEGREES          
REMARK 500    ARG A 382   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ARG A 393   NE  -  CZ  -  NH1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ARG A 393   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    TYR A 410   CB  -  CG  -  CD2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    TYR A 410   CB  -  CG  -  CD1 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ASP A 411   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    ARG A 425   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG A 440   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.7 DEGREES          
REMARK 500    ARG A 446   CD  -  NE  -  CZ  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    ARG A 446   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    TYR A 450   CB  -  CG  -  CD2 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    TYR A 450   CB  -  CG  -  CD1 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500    ARG A 462   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 514   CD  -  NE  -  CZ  ANGL. DEV. =  11.6 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA A   2       37.53     72.05                                   
REMARK 500    PRO A  28      132.36    -31.39                                   
REMARK 500    THR A  49      106.20    -42.25                                   
REMARK 500    SER A  76       58.61     95.21                                   
REMARK 500    LEU A  77      -42.31    156.32                                   
REMARK 500    ASP A 157       52.43   -155.45                                   
REMARK 500    ASP A 185     -175.54    -67.77                                   
REMARK 500    ASP A 200       66.68     36.11                                   
REMARK 500    SER A 206      178.03    -58.59                                   
REMARK 500    PHE A 221       92.33    169.68                                   
REMARK 500    VAL A 294       -4.84    -58.90                                   
REMARK 500    ASN A 304       63.12   -114.95                                   
REMARK 500    CYS A 380      121.15    -36.68                                   
REMARK 500    ASN A 399       50.34   -143.06                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    SER A  39         10.10                                           
REMARK 500    THR A 100        -10.60                                           
REMARK 500    ALA A 164        -10.40                                           
REMARK 500    GLN A 167        -11.05                                           
REMARK 500    GLU A 219         16.17                                           
REMARK 500    PHE A 221         11.23                                           
REMARK 500    GLU A 280        -10.39                                           
REMARK 500    ILE A 289        -11.05                                           
REMARK 500    ASN A 304        -14.29                                           
REMARK 500    LYS A 367        -12.86                                           
REMARK 500    ASN A 387        -13.89                                           
REMARK 500    CYS A 397         10.15                                           
REMARK 500    ARG A 429         11.58                                           
REMARK 500    ASP A 449        -11.35                                           
REMARK 500    MET A 460         12.77                                           
REMARK 500    GLN A 475        -10.25                                           
REMARK 500    LEU A 492         14.85                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 525  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  10   OE2                                                    
REMARK 620 2 GLU A  10   OE1  53.6                                              
REMARK 620 3 ASP A  35   OD2 137.4  90.4                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 524  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 380   SG                                                     
REMARK 620 2 CYS A 397   SG  100.4                                              
REMARK 620 3 CYS A 400   SG  111.8 110.6                                        
REMARK 620 4 CYS A 403   SG  106.2 125.8 102.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN A 526  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 AGS A 527   O2B                                                    
REMARK 620 2 HOH A 528   O    88.7                                              
REMARK 620 3 HOH A 529   O    90.9 167.6                                        
REMARK 620 4 HOH A 568   O    98.5  92.2  75.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 524                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 525                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 526                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AGS A 527                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1OWY   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE APO-FORM OF THE RECQ CATALYTIC CORE                 
DBREF  1OYY A    2   523  UNP    P15043   RECQ_ECOLI       4    525             
SEQADV 1OYY MET A    1  UNP  P15043              INITIATING METHIONINE          
SEQRES   1 A  523  MET ALA GLN ALA GLU VAL LEU ASN LEU GLU SER GLY ALA          
SEQRES   2 A  523  LYS GLN VAL LEU GLN GLU THR PHE GLY TYR GLN GLN PHE          
SEQRES   3 A  523  ARG PRO GLY GLN GLU GLU ILE ILE ASP THR VAL LEU SER          
SEQRES   4 A  523  GLY ARG ASP CYS LEU VAL VAL MET PRO THR GLY GLY GLY          
SEQRES   5 A  523  LYS SER LEU CYS TYR GLN ILE PRO ALA LEU LEU LEU ASN          
SEQRES   6 A  523  GLY LEU THR VAL VAL VAL SER PRO LEU ILE SER LEU MET          
SEQRES   7 A  523  LYS ASP GLN VAL ASP GLN LEU GLN ALA ASN GLY VAL ALA          
SEQRES   8 A  523  ALA ALA CYS LEU ASN SER THR GLN THR ARG GLU GLN GLN          
SEQRES   9 A  523  LEU GLU VAL MET THR GLY CYS ARG THR GLY GLN ILE ARG          
SEQRES  10 A  523  LEU LEU TYR ILE ALA PRO GLU ARG LEU MET LEU ASP ASN          
SEQRES  11 A  523  PHE LEU GLU HIS LEU ALA HIS TRP ASN PRO VAL LEU LEU          
SEQRES  12 A  523  ALA VAL ASP GLU ALA HIS CYS ILE SER GLN TRP GLY HIS          
SEQRES  13 A  523  ASP PHE ARG PRO GLU TYR ALA ALA LEU GLY GLN LEU ARG          
SEQRES  14 A  523  GLN ARG PHE PRO THR LEU PRO PHE MET ALA LEU THR ALA          
SEQRES  15 A  523  THR ALA ASP ASP THR THR ARG GLN ASP ILE VAL ARG LEU          
SEQRES  16 A  523  LEU GLY LEU ASN ASP PRO LEU ILE GLN ILE SER SER PHE          
SEQRES  17 A  523  ASP ARG PRO ASN ILE ARG TYR MET LEU MET GLU LYS PHE          
SEQRES  18 A  523  LYS PRO LEU ASP GLN LEU MET ARG TYR VAL GLN GLU GLN          
SEQRES  19 A  523  ARG GLY LYS SER GLY ILE ILE TYR CYS ASN SER ARG ALA          
SEQRES  20 A  523  LYS VAL GLU ASP THR ALA ALA ARG LEU GLN SER LYS GLY          
SEQRES  21 A  523  ILE SER ALA ALA ALA TYR HIS ALA GLY LEU GLU ASN ASN          
SEQRES  22 A  523  VAL ARG ALA ASP VAL GLN GLU LYS PHE GLN ARG ASP ASP          
SEQRES  23 A  523  LEU GLN ILE VAL VAL ALA THR VAL ALA PHE GLY MET GLY          
SEQRES  24 A  523  ILE ASN LYS PRO ASN VAL ARG PHE VAL VAL HIS PHE ASP          
SEQRES  25 A  523  ILE PRO ARG ASN ILE GLU SER TYR TYR GLN GLU THR GLY          
SEQRES  26 A  523  ARG ALA GLY ARG ASP GLY LEU PRO ALA GLU ALA MET LEU          
SEQRES  27 A  523  PHE TYR ASP PRO ALA ASP MET ALA TRP LEU ARG ARG CYS          
SEQRES  28 A  523  LEU GLU GLU LYS PRO GLN GLY GLN LEU GLN ASP ILE GLU          
SEQRES  29 A  523  ARG HIS LYS LEU ASN ALA MET GLY ALA PHE ALA GLU ALA          
SEQRES  30 A  523  GLN THR CYS ARG ARG LEU VAL LEU LEU ASN TYR PHE GLY          
SEQRES  31 A  523  GLU GLY ARG GLN GLU PRO CYS GLY ASN CYS ASP ILE CYS          
SEQRES  32 A  523  LEU ASP PRO PRO LYS GLN TYR ASP GLY SER THR ASP ALA          
SEQRES  33 A  523  GLN ILE ALA LEU SER THR ILE GLY ARG VAL ASN GLN ARG          
SEQRES  34 A  523  PHE GLY MET GLY TYR VAL VAL GLU VAL ILE ARG GLY ALA          
SEQRES  35 A  523  ASN ASN GLN ARG ILE ARG ASP TYR GLY HIS ASP LYS LEU          
SEQRES  36 A  523  LYS VAL TYR GLY MET GLY ARG ASP LYS SER HIS GLU HIS          
SEQRES  37 A  523  TRP VAL SER VAL ILE ARG GLN LEU ILE HIS LEU GLY LEU          
SEQRES  38 A  523  VAL THR GLN ASN ILE ALA GLN HIS SER ALA LEU GLN LEU          
SEQRES  39 A  523  THR GLU ALA ALA ARG PRO VAL LEU ARG GLY GLU SER SER          
SEQRES  40 A  523  LEU GLN LEU ALA VAL PRO ARG ILE VAL ALA LEU LYS PRO          
SEQRES  41 A  523  LYS ALA MET                                                  
HET     ZN  A 524       1                                                       
HET     MN  A 525       1                                                       
HET     MN  A 526       1                                                       
HET    AGS  A 527      31                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MN MANGANESE (II) ION                                               
HETNAM     AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER                       
HETSYN     AGS ATP-GAMMA-S; ADENOSINE 5'-(3-THIOTRIPHOSPHATE);                  
HETSYN   2 AGS  ADENOSINE 5'-(GAMMA-THIOTRIPHOSPHATE); ADENOSINE-5'-            
HETSYN   3 AGS  DIPHOSPHATE MONOTHIOPHOSPHATE                                   
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   MN    2(MN 2+)                                                     
FORMUL   5  AGS    C10 H16 N5 O12 P3 S                                          
FORMUL   6  HOH   *43(H2 O)                                                     
HELIX    1   1 ASN A    8  THR A   20  1                                  13    
HELIX    2   2 GLY A   29  SER A   39  1                                  11    
HELIX    3   3 SER A   54  LEU A   64  1                                  11    
HELIX    4   4 LEU A   77  ASN A   88  1                                  12    
HELIX    5   5 THR A  100  THR A  113  1                                  14    
HELIX    6   6 ALA A  122  LEU A  128  1                                   7    
HELIX    7   7 ASN A  130  ALA A  136  1                                   7    
HELIX    8   8 GLU A  147  SER A  152  5                                   6    
HELIX    9   9 ARG A  159  GLY A  166  5                                   8    
HELIX   10  10 GLN A  167  PHE A  172  1                                   6    
HELIX   11  11 ASP A  185  GLY A  197  1                                  13    
HELIX   12  12 LYS A  222  GLN A  234  1                                  13    
HELIX   13  13 SER A  245  LYS A  259  1                                  15    
HELIX   14  14 GLU A  271  ARG A  284  1                                  14    
HELIX   15  15 ASN A  316  GLY A  325  1                                  10    
HELIX   16  16 ASP A  341  GLU A  354  1                                  14    
HELIX   17  17 GLY A  358  GLU A  376  1                                  19    
HELIX   18  18 CYS A  380  GLY A  390  1                                  11    
HELIX   19  19 CYS A  400  ASP A  405  1                                   6    
HELIX   20  20 GLY A  412  VAL A  426  1                                  15    
HELIX   21  21 GLY A  431  GLY A  441  1                                  11    
HELIX   22  22 ASN A  444  TYR A  450  1                                   7    
HELIX   23  23 GLY A  451  LEU A  455  5                                   5    
HELIX   24  24 SER A  465  LEU A  479  1                                  15    
HELIX   25  25 ILE A  486  HIS A  489  5                                   4    
HELIX   26  26 ALA A  498  ARG A  503  1                                   6    
SHEET    1   A 7 ALA A  92  LEU A  95  0                                        
SHEET    2   A 7 LEU A 118  ILE A 121  1  O  TYR A 120   N  ALA A  93           
SHEET    3   A 7 LEU A  67  VAL A  71  1  N  VAL A  70   O  LEU A 119           
SHEET    4   A 7 PRO A 140  VAL A 145  1  O  ALA A 144   N  VAL A  69           
SHEET    5   A 7 PHE A 177  THR A 181  1  O  MET A 178   N  VAL A 145           
SHEET    6   A 7 CYS A  43  VAL A  46  1  N  CYS A  43   O  ALA A 179           
SHEET    7   A 7 LEU A 202  ILE A 205  1  O  GLN A 204   N  VAL A  46           
SHEET    1   B 6 ILE A 213  GLU A 219  0                                        
SHEET    2   B 6 ALA A 334  TYR A 340  1  O  LEU A 338   N  MET A 216           
SHEET    3   B 6 PHE A 307  HIS A 310  1  N  HIS A 310   O  PHE A 339           
SHEET    4   B 6 GLY A 239  TYR A 242  1  N  TYR A 242   O  VAL A 309           
SHEET    5   B 6 ILE A 289  ALA A 292  1  O  ALA A 292   N  ILE A 241           
SHEET    6   B 6 ALA A 263  TYR A 266  1  N  ALA A 264   O  VAL A 291           
SHEET    1   C 2 GLN A 409  ASP A 411  0                                        
SHEET    2   C 2 GLN A 509  ALA A 511 -1  O  LEU A 510   N  TYR A 410           
SHEET    1   D 2 VAL A 482  GLN A 484  0                                        
SHEET    2   D 2 LEU A 492  LEU A 494 -1  O  GLN A 493   N  THR A 483           
LINK         OE2 GLU A  10                MN    MN A 525     1555   1555  2.34  
LINK         OE1 GLU A  10                MN    MN A 525     1555   1555  2.51  
LINK         OD2 ASP A  35                MN    MN A 525     1555   1555  2.25  
LINK         SG  CYS A 380                ZN    ZN A 524     1555   1555  2.46  
LINK         SG  CYS A 397                ZN    ZN A 524     1555   1555  2.39  
LINK         SG  CYS A 400                ZN    ZN A 524     1555   1555  2.41  
LINK         SG  CYS A 403                ZN    ZN A 524     1555   1555  2.38  
LINK        MN    MN A 526                 O2B AGS A 527     1555   1555  2.43  
LINK        MN    MN A 526                 O   HOH A 528     1555   1555  2.44  
LINK        MN    MN A 526                 O   HOH A 529     1555   1555  2.24  
LINK        MN    MN A 526                 O   HOH A 568     1555   1555  2.43  
SITE     1 AC1  5 CYS A 380  CYS A 397  GLY A 398  CYS A 400                    
SITE     2 AC1  5 CYS A 403                                                     
SITE     1 AC2  3 GLU A  10  GLU A  31  ASP A  35                               
SITE     1 AC3  4 AGS A 527  HOH A 528  HOH A 529  HOH A 568                    
SITE     1 AC4 15 TYR A  23  GLN A  25  ARG A  27  GLN A  30                    
SITE     2 AC4 15 THR A  49  GLY A  50  GLY A  51  GLY A  52                    
SITE     3 AC4 15 LYS A  53  SER A  54  LEU A  55  ALA A 182                    
SITE     4 AC4 15 ARG A 329   MN A 526  HOH A 528                               
CRYST1   66.591   54.534   78.686  90.00 110.78  90.00 P 1 21 1      2          
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      0.015017  0.000000  0.005698        0.00000                         
SCALE2      0.000000  0.018337  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013593        0.00000