HEADER    CELL CYCLE                              13-SEP-04   1XEW              
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: X;                                                            
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: Y;                                                            
COMPND   9 FRAGMENT: SMC_C-TERMINAL FRAGMENT (RESIDUE 1006-1177);               
COMPND  10 ENGINEERED: 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   13-MAR-24 1XEW    1       REMARK                                   
REVDAT   3   11-OCT-17 1XEW    1       REMARK                                   
REVDAT   2   24-FEB-09 1XEW    1       VERSN                                    
REVDAT   1   07-DEC-04 1XEW    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.    2.00 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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 22291                          
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      : 1080                            
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) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.03                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2680                       
REMARK   3   BIN FREE R VALUE                    : 0.3050                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 23                           
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            : 2396                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 310                                     
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) : 0.019                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.300                           
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 1XEW 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_1000030281.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-SEP-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97913, 0.97931, 0.97121,         
REMARK 200                                   0.91677                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22600                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
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     (%) : 88.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07000                            
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) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 55.5                               
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: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SNB                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.47                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, GLYCEROL, KCL, VAPOR           
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K, PH 8                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       51.14250            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.37200            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       51.14250            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       28.37200            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5370 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 14370 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: X, Y                                  
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     ALA X    57                                                      
REMARK 465     MET X    58                                                      
REMARK 465     ARG X    59                                                      
REMARK 465     ALA X    60                                                      
REMARK 465     SER X    61                                                      
REMARK 465     ARG X    62                                                      
REMARK 465     ILE X    63                                                      
REMARK 465     SER X    64                                                      
REMARK 465     ASP X    65                                                      
REMARK 465     LEU X    66                                                      
REMARK 465     ILE X    67                                                      
REMARK 465     PHE X    68                                                      
REMARK 465     ALA X    69                                                      
REMARK 465     GLY X    70                                                      
REMARK 465     SER X    71                                                      
REMARK 465     LYS X    72                                                      
REMARK 465     ASN X    73                                                      
REMARK 465     GLU X    74                                                      
REMARK 465     PRO X    75                                                      
REMARK 465     PRO X    76                                                      
REMARK 465     GLY X   168                                                      
REMARK 465     ILE X   169                                                      
REMARK 465     ALA X   170                                                      
REMARK 465     GLU X   171                                                      
REMARK 465     TYR X   172                                                      
REMARK 465     ASP X   173                                                      
REMARK 465     SER X   174                                                      
REMARK 465     LYS X   175                                                      
REMARK 465     LYS X   176                                                      
REMARK 465     GLU X   177                                                      
REMARK 465     LYS X   178                                                      
REMARK 465     ALA X   179                                                      
REMARK 465     LEU X   180                                                      
REMARK 465     GLU X   181                                                      
REMARK 465     GLU X   182                                                      
REMARK 465     GLU Y  1006                                                      
REMARK 465     LYS Y  1007                                                      
REMARK 465     GLU Y  1008                                                      
REMARK 465     LYS Y  1009                                                      
REMARK 465     LYS Y  1010                                                      
REMARK 465     ASN Y  1011                                                      
REMARK 465     ARG Y  1146                                                      
REMARK 465     ASP Y  1147                                                      
REMARK 465     GLU Y  1174                                                      
REMARK 465     HIS Y  1175                                                      
REMARK 465     GLY Y  1176                                                      
REMARK 465     ASN Y  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     MET X    1   CG   SD   CE                                        
REMARK 480     LYS X   78   CB   CG   CD   CE   NZ                              
REMARK 480     ARG X  105   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     MET X  154   CG   SD   CE                                        
REMARK 480     ASP Y 1113   CG   OD1  OD2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH X   191     O    HOH X   191     2657     1.76            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER X  54   CB    SER X  54   OG      0.106                       
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    PRO X   2   C   -  N   -  CA  ANGL. DEV. =  13.5 DEGREES          
REMARK 500    GLY X  51   N   -  CA  -  C   ANGL. DEV. =  15.3 DEGREES          
REMARK 500    ARG X  91   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ARG X 160   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    ASP X 164   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 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    PRO X   2     -177.09    -44.63                                   
REMARK 500    LYS X  13     -119.60     51.02                                   
REMARK 500    LYS X  78       62.61   -118.57                                   
REMARK 500    PRO X  94       49.45    -71.07                                   
REMARK 500    MET X 134       37.22     70.25                                   
REMARK 500    ASP Y1046       71.75   -115.23                                   
REMARK 500    ALA Y1059      136.70    -39.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XEX   RELATED DB: PDB                                   
REMARK 900 E1098Q MUTANT                                                        
DBREF  1XEW X    1   182  GB     28375557 CAD66602         1    182             
DBREF  1XEW Y 1006  1177  GB     28375557 CAD66602      1006   1177             
SEQRES   1 X  182  MET PRO TYR ILE GLU LYS LEU GLU LEU LYS GLY PHE LYS          
SEQRES   2 X  182  SER TYR GLY ASN LYS LYS VAL VAL ILE PRO PHE SER LYS          
SEQRES   3 X  182  GLY PHE THR ALA ILE VAL GLY ALA ASN GLY SER GLY LYS          
SEQRES   4 X  182  SER ASN ILE GLY ASP ALA ILE LEU PHE VAL LEU GLY GLY          
SEQRES   5 X  182  LEU SER ALA LYS ALA MET ARG ALA SER ARG ILE SER ASP          
SEQRES   6 X  182  LEU ILE PHE ALA GLY SER LYS ASN GLU PRO PRO ALA LYS          
SEQRES   7 X  182  TYR ALA GLU VAL ALA ILE TYR PHE ASN ASN GLU ASP ARG          
SEQRES   8 X  182  GLY PHE PRO ILE ASP GLU ASP GLU VAL VAL ILE ARG ARG          
SEQRES   9 X  182  ARG VAL TYR PRO ASP GLY ARG SER SER TYR TRP LEU ASN          
SEQRES  10 X  182  GLY ARG ARG ALA THR ARG SER GLU ILE LEU ASP ILE LEU          
SEQRES  11 X  182  THR ALA ALA MET ILE SER PRO ASP GLY TYR ASN ILE VAL          
SEQRES  12 X  182  LEU GLN GLY ASP ILE THR LYS PHE ILE LYS MET SER PRO          
SEQRES  13 X  182  LEU GLU ARG ARG LEU LEU ILE ASP ASP ILE SER GLY ILE          
SEQRES  14 X  182  ALA GLU TYR ASP SER LYS LYS GLU LYS ALA LEU GLU GLU          
SEQRES   1 Y  172  GLU LYS GLU LYS LYS ASN VAL PHE MET ARG THR PHE GLU          
SEQRES   2 Y  172  ALA ILE SER ARG ASN PHE SER GLU ILE PHE ALA LYS LEU          
SEQRES   3 Y  172  SER PRO GLY GLY SER ALA ARG LEU ILE LEU GLU ASN PRO          
SEQRES   4 Y  172  GLU ASP PRO PHE SER GLY GLY LEU GLU ILE GLU ALA LYS          
SEQRES   5 Y  172  PRO ALA GLY LYS ASP VAL LYS ARG ILE GLU ALA MET SER          
SEQRES   6 Y  172  GLY GLY GLU LYS ALA LEU THR ALA LEU ALA PHE VAL PHE          
SEQRES   7 Y  172  ALA ILE GLN LYS PHE LYS PRO ALA PRO PHE TYR LEU PHE          
SEQRES   8 Y  172  ASP GLU ILE ASP ALA HIS LEU ASP ASP ALA ASN VAL LYS          
SEQRES   9 Y  172  ARG VAL ALA ASP LEU ILE LYS GLU SER SER LYS GLU SER          
SEQRES  10 Y  172  GLN PHE ILE VAL ILE THR LEU ARG ASP VAL MET MET ALA          
SEQRES  11 Y  172  ASN ALA ASP LYS ILE ILE GLY VAL SER MET ARG ASP GLY          
SEQRES  12 Y  172  VAL SER LYS VAL VAL SER LEU SER LEU GLU LYS ALA MET          
SEQRES  13 Y  172  LYS ILE LEU GLU GLU ILE ARG LYS LYS GLN GLY TRP GLU          
SEQRES  14 Y  172  HIS GLY ASN                                                  
FORMUL   3  HOH   *310(H2 O)                                                    
HELIX    1   1 LYS X   39  LEU X   50  1                                  12    
HELIX    2   2 THR X  122  ALA X  133  1                                  12    
HELIX    3   3 GLY X  146  MET X  154  1                                   9    
HELIX    4   4 SER X  155  SER X  167  1                                  13    
HELIX    5   5 VAL Y 1012  SER Y 1032  1                                  21    
HELIX    6   6 ASP Y 1046  GLY Y 1050  5                                   5    
HELIX    7   7 GLU Y 1067  MET Y 1069  5                                   3    
HELIX    8   8 SER Y 1070  LYS Y 1089  1                                  20    
HELIX    9   9 ASP Y 1104  SER Y 1119  1                                  16    
HELIX   10  10 ARG Y 1130  ALA Y 1137  1                                   8    
HELIX   11  11 SER Y 1156  GLY Y 1172  1                                  17    
SHEET    1   A 6 VAL X  20  PRO X  23  0                                        
SHEET    2   A 6 TYR X   3  LYS X  10 -1  N  LEU X   7   O  ILE X  22           
SHEET    3   A 6 ALA X  80  ASN X  87 -1  O  ASN X  87   N  TYR X   3           
SHEET    4   A 6 GLU X  99  VAL X 106 -1  O  VAL X 100   N  PHE X  86           
SHEET    5   A 6 SER X 112  LEU X 116 -1  O  TRP X 115   N  ARG X 103           
SHEET    6   A 6 ARG X 119  ALA X 121 -1  O  ARG X 119   N  LEU X 116           
SHEET    1   B 6 ILE X 142  VAL X 143  0                                        
SHEET    2   B 6 PHE Y1093  ASP Y1097  1  O  LEU Y1095   N  VAL X 143           
SHEET    3   B 6 GLN Y1123  ILE Y1127  1  O  ILE Y1127   N  PHE Y1096           
SHEET    4   B 6 PHE X  28  GLY X  33  1  N  ILE X  31   O  VAL Y1126           
SHEET    5   B 6 LYS Y1139  SER Y1144  1  O  ILE Y1141   N  ALA X  30           
SHEET    6   B 6 LYS Y1151  LEU Y1155 -1  O  LEU Y1155   N  ILE Y1140           
SHEET    1   C 3 SER Y1036  LEU Y1041  0                                        
SHEET    2   C 3 LEU Y1052  LYS Y1057 -1  O  LYS Y1057   N  SER Y1036           
SHEET    3   C 3 LYS Y1064  ARG Y1065 -1  O  LYS Y1064   N  ALA Y1056           
CRYST1  102.285   56.744   78.869  90.00 123.05  90.00 C 1 2 1       4          
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      0.009777  0.000000  0.006361        0.00000                         
SCALE2      0.000000  0.017623  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015127        0.00000