HEADER    CELL CYCLE                              13-SEP-04   1XEX              
TITLE     STRUCTURAL BIOCHEMISTRY OF ATP-DRIVEN DIMERIZATION AND DNA STIMULATED 
TITLE    2 ACTIVATION OF SMC ATPASES.                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SMC PROTEIN;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: SMC_N-TERMINAL FRAGMENT (RESIDUE 1-182);                   
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: SMC PROTEIN;                                               
COMPND   8 CHAIN: B;                                                            
COMPND   9 FRAGMENT: SMC_C-TERMINAL FRAGMENT (RESIDUE 1006-1177);               
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS;                            
SOURCE   3 ORGANISM_TAXID: 2261;                                                
SOURCE   4 GENE: SMC;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: ROSETTA;                                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET21B;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS;                            
SOURCE  12 ORGANISM_TAXID: 2261;                                                
SOURCE  13 GENE: SMC;                                                           
SOURCE  14 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  15 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  16 EXPRESSION_SYSTEM_STRAIN: ROSETTA;                                   
SOURCE  17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PET21B                                    
KEYWDS    SMC, STRUCTURAL MAINTENANCE OF CHROMOSOMES, ABC-ATPASES, CONDENSIN,   
KEYWDS   2 COHESIN, CELL CYCLE                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.LAMMENS,A.SCHELE,K.-P.HOPFNER                                       
REVDAT   4   29-MAY-24 1XEX    1       REMARK                                   
REVDAT   3   10-NOV-21 1XEX    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1XEX    1       VERSN                                    
REVDAT   1   07-DEC-04 1XEX    0                                                
JRNL        AUTH   A.LAMMENS,A.SCHELE,K.-P.HOPFNER                              
JRNL        TITL   STRUCTURAL BIOCHEMISTRY OF ATP-DRIVEN DIMERIZATION AND       
JRNL        TITL 2 DNA-STIMULATED ACTIVATION OF SMC ATPASES                     
JRNL        REF    CURR.BIOL.                    V.  14  1778 2004              
JRNL        REFN                   ISSN 0960-9822                               
JRNL        PMID   15458651                                                     
JRNL        DOI    10.1016/J.CUB.2004.09.044                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 18600                          
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) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.261                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 907                             
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            : 2545                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 129                                     
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 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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 1XEX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030282.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-DEC-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SLS                                
REMARK 200  BEAMLINE                       : X06SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97547                            
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18600                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
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) : 2.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: SAD                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.42                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.36                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NA-ACETATE, PEG400, ETHANOL, PH 8.0,     
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       29.06667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       58.13333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       58.13333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       29.06667            
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 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED      
REMARK 300 BY A CRYSTALLOGRAPHIC TWO FOLD AXIS                                  
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000  0.866025  0.000000      153.90000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000      -88.85421            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLY A   168                                                      
REMARK 465     ILE A   169                                                      
REMARK 465     ALA A   170                                                      
REMARK 465     GLU A   171                                                      
REMARK 465     TYR A   172                                                      
REMARK 465     ASP A   173                                                      
REMARK 465     SER A   174                                                      
REMARK 465     LYS A   175                                                      
REMARK 465     LYS A   176                                                      
REMARK 465     GLU A   177                                                      
REMARK 465     LYS A   178                                                      
REMARK 465     ALA A   179                                                      
REMARK 465     LEU A   180                                                      
REMARK 465     GLU A   181                                                      
REMARK 465     GLU A   182                                                      
REMARK 465     GLU B  1006                                                      
REMARK 465     LYS B  1007                                                      
REMARK 465     GLU B  1008                                                      
REMARK 465     GLU B  1045                                                      
REMARK 465     ASP B  1046                                                      
REMARK 465     PRO B  1047                                                      
REMARK 465     TRP B  1173                                                      
REMARK 465     GLU B  1174                                                      
REMARK 465     HIS B  1175                                                      
REMARK 465     GLY B  1176                                                      
REMARK 465     ASN B  1177                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A   10   NZ                                                  
REMARK 480     LYS A   18   CD   CE   NZ                                        
REMARK 480     LEU A   53   CD1  CD2                                            
REMARK 480     LYS A   56   CD   CE   NZ                                        
REMARK 480     ALA A   60   CB                                                  
REMARK 480     SER A   61   OG                                                  
REMARK 480     ARG A   62   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     SER A   64   OG                                                  
REMARK 480     ILE A   67   CD1                                                 
REMARK 480     LYS A   78   CG   CD   CE   NZ                                   
REMARK 480     ILE A  129   CD1                                                 
REMARK 480     MET A  134   CE                                                  
REMARK 480     ASP A  138   OD1  OD2                                            
REMARK 480     LYS A  153   CG   CD   CE   NZ                                   
REMARK 480     ILE A  163   CD1                                                 
REMARK 480     ILE A  166   CD1                                                 
REMARK 480     LYS B 1009   CB   CG   CD   CE   NZ                              
REMARK 480     ARG B 1015   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ILE B 1040   CG1  CD1                                            
REMARK 480     LYS B 1061   CG   CD   CE   NZ                                   
REMARK 480     PHE B 1088   CZ                                                  
REMARK 480     LYS B 1089   CG   CD   CE   NZ                                   
REMARK 480     ILE B 1167   CD1                                                 
REMARK 480     LYS B 1169   CG   CD   CE   NZ                                   
REMARK 480     GLY B 1172   O                                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OD1  ASP B  1105     O    HOH B   111     4645     2.17            
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    LYS A  13     -124.29     43.93                                   
REMARK 500    LYS A  19      130.07    -36.23                                   
REMARK 500    LEU A  53      -80.99    -59.03                                   
REMARK 500    SER A  71     -160.99   -120.05                                   
REMARK 500    LYS A  72      -78.92    -54.42                                   
REMARK 500    ASN A  73       57.24   -102.81                                   
REMARK 500    GLU A  74      129.08   -172.86                                   
REMARK 500    ASN A  88       76.26   -113.05                                   
REMARK 500    PRO A  94       30.45    -90.92                                   
REMARK 500    ASP A  96       79.48   -101.60                                   
REMARK 500    LYS B1010       -5.26    -59.25                                   
REMARK 500    LEU B1039       68.59   -108.18                                   
REMARK 500    GLN B1171     -111.51    -94.59                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A1002  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A  40   OG                                                     
REMARK 620 2 GLN A 145   OE1  82.8                                              
REMARK 620 3 ATP A1001   O1G 173.5 101.1                                        
REMARK 620 4 ATP A1001   O1B  87.2 169.7  88.6                                  
REMARK 620 5 HOH A1014   O    94.5  99.0  90.1  84.3                            
REMARK 620 6 HOH A1042   O    86.7  89.2  88.1  87.6 171.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATP A 1001                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XEW   RELATED DB: PDB                                   
REMARK 900 WILD TYPE                                                            
DBREF  1XEX A    1   182  GB     28375557 CAD66602         1    182             
DBREF  1XEX B 1006  1177  GB     28375557 CAD66602      1006   1177             
SEQADV 1XEX GLN B 1098  GB   28375557  GLU  1098 ENGINEERED MUTATION            
SEQRES   1 A  182  MET PRO TYR ILE GLU LYS LEU GLU LEU LYS GLY PHE LYS          
SEQRES   2 A  182  SER TYR GLY ASN LYS LYS VAL VAL ILE PRO PHE SER LYS          
SEQRES   3 A  182  GLY PHE THR ALA ILE VAL GLY ALA ASN GLY SER GLY LYS          
SEQRES   4 A  182  SER ASN ILE GLY ASP ALA ILE LEU PHE VAL LEU GLY GLY          
SEQRES   5 A  182  LEU SER ALA LYS ALA MET ARG ALA SER ARG ILE SER ASP          
SEQRES   6 A  182  LEU ILE PHE ALA GLY SER LYS ASN GLU PRO PRO ALA LYS          
SEQRES   7 A  182  TYR ALA GLU VAL ALA ILE TYR PHE ASN ASN GLU ASP ARG          
SEQRES   8 A  182  GLY PHE PRO ILE ASP GLU ASP GLU VAL VAL ILE ARG ARG          
SEQRES   9 A  182  ARG VAL TYR PRO ASP GLY ARG SER SER TYR TRP LEU ASN          
SEQRES  10 A  182  GLY ARG ARG ALA THR ARG SER GLU ILE LEU ASP ILE LEU          
SEQRES  11 A  182  THR ALA ALA MET ILE SER PRO ASP GLY TYR ASN ILE VAL          
SEQRES  12 A  182  LEU GLN GLY ASP ILE THR LYS PHE ILE LYS MET SER PRO          
SEQRES  13 A  182  LEU GLU ARG ARG LEU LEU ILE ASP ASP ILE SER GLY ILE          
SEQRES  14 A  182  ALA GLU TYR ASP SER LYS LYS GLU LYS ALA LEU GLU GLU          
SEQRES   1 B  172  GLU LYS GLU LYS LYS ASN VAL PHE MET ARG THR PHE GLU          
SEQRES   2 B  172  ALA ILE SER ARG ASN PHE SER GLU ILE PHE ALA LYS LEU          
SEQRES   3 B  172  SER PRO GLY GLY SER ALA ARG LEU ILE LEU GLU ASN PRO          
SEQRES   4 B  172  GLU ASP PRO PHE SER GLY GLY LEU GLU ILE GLU ALA LYS          
SEQRES   5 B  172  PRO ALA GLY LYS ASP VAL LYS ARG ILE GLU ALA MET SER          
SEQRES   6 B  172  GLY GLY GLU LYS ALA LEU THR ALA LEU ALA PHE VAL PHE          
SEQRES   7 B  172  ALA ILE GLN LYS PHE LYS PRO ALA PRO PHE TYR LEU PHE          
SEQRES   8 B  172  ASP GLN ILE ASP ALA HIS LEU ASP ASP ALA ASN VAL LYS          
SEQRES   9 B  172  ARG VAL ALA ASP LEU ILE LYS GLU SER SER LYS GLU SER          
SEQRES  10 B  172  GLN PHE ILE VAL ILE THR LEU ARG ASP VAL MET MET ALA          
SEQRES  11 B  172  ASN ALA ASP LYS ILE ILE GLY VAL SER MET ARG ASP GLY          
SEQRES  12 B  172  VAL SER LYS VAL VAL SER LEU SER LEU GLU LYS ALA MET          
SEQRES  13 B  172  LYS ILE LEU GLU GLU ILE ARG LYS LYS GLN GLY TRP GLU          
SEQRES  14 B  172  HIS GLY ASN                                                  
HET     MG  A1002       1                                                       
HET    ATP  A1001      31                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     ATP ADENOSINE-5'-TRIPHOSPHATE                                        
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  ATP    C10 H16 N5 O13 P3                                            
FORMUL   5  HOH   *129(H2 O)                                                    
HELIX    1   1 GLY A   38  LEU A   50  1                                  13    
HELIX    2   2 ARG A   62  ILE A   67  5                                   6    
HELIX    3   3 THR A  122  ALA A  133  1                                  12    
HELIX    4   4 SER A  136  TYR A  140  5                                   5    
HELIX    5   5 GLY A  146  MET A  154  1                                   9    
HELIX    6   6 SER A  155  ILE A  166  1                                  12    
HELIX    7   7 VAL B 1012  SER B 1032  1                                  21    
HELIX    8   8 GLU B 1067  MET B 1069  5                                   3    
HELIX    9   9 SER B 1070  LYS B 1089  1                                  20    
HELIX   10  10 ASP B 1104  SER B 1119  1                                  16    
HELIX   11  11 ARG B 1130  ALA B 1135  1                                   6    
HELIX   12  12 SER B 1156  LYS B 1169  1                                  14    
SHEET    1   A 6 VAL A  20  PRO A  23  0                                        
SHEET    2   A 6 TYR A   3  LYS A  10 -1  N  LEU A   9   O  VAL A  20           
SHEET    3   A 6 ALA A  80  ASN A  87 -1  O  ASN A  87   N  TYR A   3           
SHEET    4   A 6 GLU A  99  VAL A 106 -1  O  VAL A 100   N  PHE A  86           
SHEET    5   A 6 SER A 112  LEU A 116 -1  O  TRP A 115   N  ARG A 103           
SHEET    6   A 6 ARG A 119  ALA A 121 -1  O  ARG A 119   N  LEU A 116           
SHEET    1   B 6 ILE A 142  VAL A 143  0                                        
SHEET    2   B 6 PHE B1093  ASP B1097  1  O  LEU B1095   N  VAL A 143           
SHEET    3   B 6 GLN B1123  ILE B1127  1  O  ILE B1127   N  PHE B1096           
SHEET    4   B 6 PHE A  28  GLY A  33  1  N  THR A  29   O  PHE B1124           
SHEET    5   B 6 LYS B1139  ARG B1146  1  O  ILE B1141   N  ALA A  30           
SHEET    6   B 6 VAL B1149  LEU B1155 -1  O  LYS B1151   N  SER B1144           
SHEET    1   C 3 SER B1036  ARG B1038  0                                        
SHEET    2   C 3 GLU B1055  LYS B1057 -1  O  LYS B1057   N  SER B1036           
SHEET    3   C 3 LYS B1064  ARG B1065 -1  O  LYS B1064   N  ALA B1056           
LINK         OG  SER A  40                MG    MG A1002     1555   1555  2.19  
LINK         OE1 GLN A 145                MG    MG A1002     1555   1555  1.95  
LINK         O1G ATP A1001                MG    MG A1002     1555   1555  2.02  
LINK         O1B ATP A1001                MG    MG A1002     1555   1555  2.16  
LINK        MG    MG A1002                 O   HOH A1014     1555   1555  1.95  
LINK        MG    MG A1002                 O   HOH A1042     1555   1555  2.16  
SITE     1 AC1  5 SER A  40  GLN A 145  ATP A1001  HOH A1014                    
SITE     2 AC1  5 HOH A1042                                                     
SITE     1 AC2 24 LYS A  13  SER A  14  ALA A  34  ASN A  35                    
SITE     2 AC2 24 GLY A  36  SER A  37  GLY A  38  LYS A  39                    
SITE     3 AC2 24 SER A  40  ASN A  41  ARG A  59  ASP A  65                    
SITE     4 AC2 24 ILE A  67  PHE A  68  ALA A  69  GLN A 145                    
SITE     5 AC2 24  MG A1002  HOH A1014  HOH A1042  HOH B  21                    
SITE     6 AC2 24 HOH B  89  LYS B1064  SER B1070  GLY B1072                    
CRYST1  102.600  102.600   87.200  90.00  90.00 120.00 P 31 2 1      6          
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      0.009747  0.005627  0.000000        0.00000                         
SCALE2      0.000000  0.011254  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011468        0.00000