HEADER    TRANSFERASE                             13-MAR-15   3X44              
TITLE     CRYSTAL STRUCTURE OF O-UREIDO-L-SERINE-BOUND K43A MUTANT OF O-UREIDO- 
TITLE    2 L-SERINE SYNTHASE                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: O-UREIDO-L-SERINE SYNTHASE;                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CYSTEINE SYNTHASE HOMOLOG DSCD, O-ACETYLSERINE              
COMPND   5 SULFHYDRYLASE;                                                       
COMPND   6 EC: 2.6.99.3, 2.5.1.47;                                              
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES LAVENDULAE;                        
SOURCE   3 ORGANISM_TAXID: 1914;                                                
SOURCE   4 STRAIN: ATCC11924;                                                   
SOURCE   5 GENE: DCSD;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET21A(+)                                 
KEYWDS    D-CYCLOSERINE, TYPE II PLP ENZYME, SYNTHASE, TRANSFERASE              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.MATOBA,N.UDA,K.ODA,M.SUGIYAMA                                       
REVDAT   4   29-MAY-24 3X44    1       REMARK                                   
REVDAT   3   24-AUG-22 3X44    1       JRNL   REMARK SEQADV                     
REVDAT   2   12-AUG-15 3X44    1       JRNL                                     
REVDAT   1   29-JUL-15 3X44    0                                                
JRNL        AUTH   N.UDA,Y.MATOBA,K.ODA,T.KUMAGAI,M.SUGIYAMA                    
JRNL        TITL   THE STRUCTURAL AND MUTATIONAL ANALYSES OF O-UREIDO-L-SERINE  
JRNL        TITL 2 SYNTHASE NECESSARY FOR D-CYCLOSERINE BIOSYNTHESIS.           
JRNL        REF    FEBS J.                       V. 282  3929 2015              
JRNL        REFN                   ISSN 1742-464X                               
JRNL        PMID   26207937                                                     
JRNL        DOI    10.1111/FEBS.13386                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.2                                              
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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.87                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 4848590.070                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 43207                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.212                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2193                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 77.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5676                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2600                       
REMARK   3   BIN FREE R VALUE                    : 0.3140                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 327                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4787                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 52                                      
REMARK   3   SOLVENT ATOMS            : 468                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 7.80                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 21.08000                                             
REMARK   3    B22 (A**2) : -14.96000                                            
REMARK   3    B33 (A**2) : -6.12000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -8.48000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.20                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.30                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.640                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.640 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.150 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.310 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.930 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 44.30                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NONE                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP-3.PARAM                            
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : PUS.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX-3.PRO                                 
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : PUS.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 3X44 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-MAR-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000097154.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-JUN-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL38B1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : FIXED EXIT DOUBLE CRYSTAL          
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44755                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.11200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.42500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.55                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS-HCL, POLYETHYLENE GLYCOL 8,000,     
REMARK 280  SODIUM ACETATE, PH 8.1, VAPOR DIFFUSION, SITTING DROP,              
REMARK 280  TEMPERATURE 298K                                                    
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       56.67500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.13000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       56.67500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       40.13000            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 14190 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 40480 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -89.0 KCAL/MOL                        
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 521  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLY A   323                                                      
REMARK 465     LEU A   324                                                      
REMARK 465     LEU A   325                                                      
REMARK 465     GLU A   326                                                      
REMARK 465     HIS A   327                                                      
REMARK 465     HIS A   328                                                      
REMARK 465     HIS A   329                                                      
REMARK 465     HIS A   330                                                      
REMARK 465     HIS A   331                                                      
REMARK 465     HIS A   332                                                      
REMARK 465     MET B     1                                                      
REMARK 465     LEU B   318                                                      
REMARK 465     ASP B   319                                                      
REMARK 465     THR B   320                                                      
REMARK 465     GLY B   321                                                      
REMARK 465     SER B   322                                                      
REMARK 465     GLY B   323                                                      
REMARK 465     LEU B   324                                                      
REMARK 465     LEU B   325                                                      
REMARK 465     GLU B   326                                                      
REMARK 465     HIS B   327                                                      
REMARK 465     HIS B   328                                                      
REMARK 465     HIS B   329                                                      
REMARK 465     HIS B   330                                                      
REMARK 465     HIS B   331                                                      
REMARK 465     HIS B   332                                                      
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   O    HOH B   595     O    HOH B   746              1.91            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   614     O    HOH A   614     2555     1.86            
REMARK 500   O    HOH B   732     O    HOH B   732     2556     1.92            
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    ASN A 148      -71.42    -75.05                                   
REMARK 500    ALA A 206       49.60   -146.61                                   
REMARK 500    GLN A 220      125.82    -39.95                                   
REMARK 500    ALA A 223       81.86     41.69                                   
REMARK 500    ASN A 225       47.03    -84.01                                   
REMARK 500    ASP A 311       45.88    -83.75                                   
REMARK 500    THR A 320     -155.94    -71.14                                   
REMARK 500    GLU B  25      -36.27    -36.02                                   
REMARK 500    PRO B 116      104.71    -49.68                                   
REMARK 500    THR B 179       12.16     86.06                                   
REMARK 500    ALA B 206       49.21   -146.29                                   
REMARK 500    ALA B 223       81.45     43.92                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PUS A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PUS B 401                 
DBREF  3X44 A    1   324  UNP    D2Z027   DCSD_STRLA       1    324             
DBREF  3X44 B    1   324  UNP    D2Z027   DCSD_STRLA       1    324             
SEQADV 3X44 ALA A   43  UNP  D2Z027    LYS    43 ENGINEERED MUTATION            
SEQADV 3X44 LEU A  325  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 GLU A  326  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  327  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  328  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  329  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  330  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  331  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS A  332  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 ALA B   43  UNP  D2Z027    LYS    43 ENGINEERED MUTATION            
SEQADV 3X44 LEU B  325  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 GLU B  326  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  327  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  328  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  329  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  330  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  331  UNP  D2Z027              EXPRESSION TAG                 
SEQADV 3X44 HIS B  332  UNP  D2Z027              EXPRESSION TAG                 
SEQRES   1 A  332  MET PRO LEU PHE ASN SER ILE LEU ASP THR ILE GLY ARG          
SEQRES   2 A  332  THR PRO ILE VAL ARG LEU GLN ARG MET ALA PRO GLU HIS          
SEQRES   3 A  332  THR SER VAL TYR VAL LYS VAL GLU SER PHE ASN PRO GLY          
SEQRES   4 A  332  GLY SER VAL ALA ASP ARG LEU ALA LEU SER VAL VAL LEU          
SEQRES   5 A  332  ASP ALA GLU ALA LYS GLY LEU LEU LYS PRO GLY ASP THR          
SEQRES   6 A  332  ILE VAL GLU CYS THR SER GLY ASN VAL GLY ILE ALA LEU          
SEQRES   7 A  332  ALA MET VAL ALA ALA ALA ARG GLY TYR ARG PHE VAL ALA          
SEQRES   8 A  332  VAL MET GLY ASP THR TYR SER VAL GLU ARG ARG LYS LEU          
SEQRES   9 A  332  ILE ARG ALA TYR GLY GLY LYS LEU VAL LEU PHE PRO GLY          
SEQRES  10 A  332  HIS LEU GLY SER LYS GLY GLY ASN LEU ILE ALA ASP GLU          
SEQRES  11 A  332  LEU ALA GLU LYS TYR GLY TRP PHE ARG ALA ARG GLN PHE          
SEQRES  12 A  332  ASP ASN PRO ALA ASN PRO SER TYR HIS ARG GLU THR THR          
SEQRES  13 A  332  ALA SER GLU ILE LEU ALA ASP PHE ALA GLY LYS ARG LEU          
SEQRES  14 A  332  ASP HIS PHE VAL THR GLY PHE GLY THR THR GLY THR LEU          
SEQRES  15 A  332  THR GLY VAL GLY GLN MET LEU ARG VAL ALA ARG PRO GLU          
SEQRES  16 A  332  VAL ARG VAL VAL ALA LEU GLU PRO SER ASN ALA ALA MET          
SEQRES  17 A  332  LEU ALA ARG GLY GLU TRP SER PRO HIS GLN ILE GLN GLY          
SEQRES  18 A  332  LEU ALA PRO ASN PHE VAL PRO GLY VAL LEU ASP ARG SER          
SEQRES  19 A  332  VAL ILE ASP ASP LEU VAL THR MET ASP GLU VAL THR ALA          
SEQRES  20 A  332  ARG ASP THR SER ARG ARG LEU ALA ALA GLU GLU GLY ILE          
SEQRES  21 A  332  PHE ALA GLY ILE SER ALA GLY ALA THR VAL ALA THR ALA          
SEQRES  22 A  332  LEU SER ILE ALA GLU HIS ALA PRO GLU GLY THR VAL LEU          
SEQRES  23 A  332  LEU ALA MET LEU PRO ASP THR GLY GLU ARG TYR LEU SER          
SEQRES  24 A  332  THR PHE LEU PHE ASP GLY VAL ASP GLU GLY SER ASP ASP          
SEQRES  25 A  332  ALA TRP LEU ALA SER LEU ASP THR GLY SER GLY LEU LEU          
SEQRES  26 A  332  GLU HIS HIS HIS HIS HIS HIS                                  
SEQRES   1 B  332  MET PRO LEU PHE ASN SER ILE LEU ASP THR ILE GLY ARG          
SEQRES   2 B  332  THR PRO ILE VAL ARG LEU GLN ARG MET ALA PRO GLU HIS          
SEQRES   3 B  332  THR SER VAL TYR VAL LYS VAL GLU SER PHE ASN PRO GLY          
SEQRES   4 B  332  GLY SER VAL ALA ASP ARG LEU ALA LEU SER VAL VAL LEU          
SEQRES   5 B  332  ASP ALA GLU ALA LYS GLY LEU LEU LYS PRO GLY ASP THR          
SEQRES   6 B  332  ILE VAL GLU CYS THR SER GLY ASN VAL GLY ILE ALA LEU          
SEQRES   7 B  332  ALA MET VAL ALA ALA ALA ARG GLY TYR ARG PHE VAL ALA          
SEQRES   8 B  332  VAL MET GLY ASP THR TYR SER VAL GLU ARG ARG LYS LEU          
SEQRES   9 B  332  ILE ARG ALA TYR GLY GLY LYS LEU VAL LEU PHE PRO GLY          
SEQRES  10 B  332  HIS LEU GLY SER LYS GLY GLY ASN LEU ILE ALA ASP GLU          
SEQRES  11 B  332  LEU ALA GLU LYS TYR GLY TRP PHE ARG ALA ARG GLN PHE          
SEQRES  12 B  332  ASP ASN PRO ALA ASN PRO SER TYR HIS ARG GLU THR THR          
SEQRES  13 B  332  ALA SER GLU ILE LEU ALA ASP PHE ALA GLY LYS ARG LEU          
SEQRES  14 B  332  ASP HIS PHE VAL THR GLY PHE GLY THR THR GLY THR LEU          
SEQRES  15 B  332  THR GLY VAL GLY GLN MET LEU ARG VAL ALA ARG PRO GLU          
SEQRES  16 B  332  VAL ARG VAL VAL ALA LEU GLU PRO SER ASN ALA ALA MET          
SEQRES  17 B  332  LEU ALA ARG GLY GLU TRP SER PRO HIS GLN ILE GLN GLY          
SEQRES  18 B  332  LEU ALA PRO ASN PHE VAL PRO GLY VAL LEU ASP ARG SER          
SEQRES  19 B  332  VAL ILE ASP ASP LEU VAL THR MET ASP GLU VAL THR ALA          
SEQRES  20 B  332  ARG ASP THR SER ARG ARG LEU ALA ALA GLU GLU GLY ILE          
SEQRES  21 B  332  PHE ALA GLY ILE SER ALA GLY ALA THR VAL ALA THR ALA          
SEQRES  22 B  332  LEU SER ILE ALA GLU HIS ALA PRO GLU GLY THR VAL LEU          
SEQRES  23 B  332  LEU ALA MET LEU PRO ASP THR GLY GLU ARG TYR LEU SER          
SEQRES  24 B  332  THR PHE LEU PHE ASP GLY VAL ASP GLU GLY SER ASP ASP          
SEQRES  25 B  332  ALA TRP LEU ALA SER LEU ASP THR GLY SER GLY LEU LEU          
SEQRES  26 B  332  GLU HIS HIS HIS HIS HIS HIS                                  
HET    PUS  A 400      26                                                       
HET    PUS  B 401      26                                                       
HETNAM     PUS (E)-O-(CARBAMOYLAMINO)-N-({3-HYDROXY-2-METHYL-5-                 
HETNAM   2 PUS  [(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYLIDENE)-L-              
HETNAM   3 PUS  SERINE                                                          
FORMUL   3  PUS    2(C12 H17 N4 O9 P)                                           
FORMUL   5  HOH   *468(H2 O)                                                    
HELIX    1   1 SER A    6  ILE A   11  5                                   6    
HELIX    2   2 SER A   35  ASN A   37  5                                   3    
HELIX    3   3 VAL A   42  LYS A   57  1                                  16    
HELIX    4   4 GLY A   72  GLY A   86  1                                  15    
HELIX    5   5 SER A   98  TYR A  108  1                                  11    
HELIX    6   6 PRO A  116  HIS A  118  5                                   3    
HELIX    7   7 LEU A  119  GLY A  136  1                                  18    
HELIX    8   8 PRO A  146  THR A  155  1                                  10    
HELIX    9   9 THR A  155  ALA A  165  1                                  11    
HELIX   10  10 THR A  179  ARG A  193  1                                  15    
HELIX   11  11 ALA A  207  GLY A  212  1                                   6    
HELIX   12  12 ASP A  232  ILE A  236  5                                   5    
HELIX   13  13 ASP A  243  GLU A  258  1                                  16    
HELIX   14  14 GLY A  263  HIS A  279  1                                  17    
HELIX   15  15 THR A  293  TYR A  297  5                                   5    
HELIX   16  16 THR A  300  ASP A  304  5                                   5    
HELIX   17  17 ASP A  311  THR A  320  1                                  10    
HELIX   18  18 SER B    6  ILE B   11  5                                   6    
HELIX   19  19 SER B   35  ASN B   37  5                                   3    
HELIX   20  20 VAL B   42  LYS B   57  1                                  16    
HELIX   21  21 GLY B   72  GLY B   86  1                                  15    
HELIX   22  22 SER B   98  TYR B  108  1                                  11    
HELIX   23  23 PRO B  116  HIS B  118  5                                   3    
HELIX   24  24 LEU B  119  GLY B  136  1                                  18    
HELIX   25  25 PRO B  146  THR B  155  1                                  10    
HELIX   26  26 THR B  155  ALA B  165  1                                  11    
HELIX   27  27 THR B  179  ARG B  193  1                                  15    
HELIX   28  28 ALA B  207  GLY B  212  1                                   6    
HELIX   29  29 ASP B  232  ILE B  236  5                                   5    
HELIX   30  30 ASP B  243  GLY B  259  1                                  17    
HELIX   31  31 GLY B  263  HIS B  279  1                                  17    
HELIX   32  32 THR B  293  LEU B  298  5                                   6    
HELIX   33  33 THR B  300  ASP B  304  5                                   5    
HELIX   34  34 ASP B  311  SER B  317  1                                   7    
SHEET    1   A 6 ILE A  16  ARG A  18  0                                        
SHEET    2   A 6 SER A  28  VAL A  33 -1  O  VAL A  31   N  VAL A  17           
SHEET    3   A 6 VAL A 285  LEU A 290  1  O  LEU A 286   N  TYR A  30           
SHEET    4   A 6 HIS A 171  THR A 174  1  N  VAL A 173   O  LEU A 287           
SHEET    5   A 6 ARG A 197  PRO A 203  1  O  VAL A 199   N  PHE A 172           
SHEET    6   A 6 ASP A 238  MET A 242  1  O  ASP A 238   N  ALA A 200           
SHEET    1   B 4 LYS A 111  PHE A 115  0                                        
SHEET    2   B 4 ARG A  88  GLY A  94  1  N  ALA A  91   O  LYS A 111           
SHEET    3   B 4 THR A  65  THR A  70  1  N  ILE A  66   O  ARG A  88           
SHEET    4   B 4 PHE A 138  ARG A 139  1  O  PHE A 138   N  THR A  65           
SHEET    1   C 6 ILE B  16  ARG B  18  0                                        
SHEET    2   C 6 SER B  28  VAL B  33 -1  O  VAL B  31   N  VAL B  17           
SHEET    3   C 6 VAL B 285  LEU B 290  1  O  LEU B 286   N  TYR B  30           
SHEET    4   C 6 HIS B 171  THR B 174  1  N  VAL B 173   O  LEU B 287           
SHEET    5   C 6 ARG B 197  PRO B 203  1  O  VAL B 199   N  PHE B 172           
SHEET    6   C 6 ASP B 238  MET B 242  1  O  ASP B 238   N  ALA B 200           
SHEET    1   D 4 LYS B 111  PHE B 115  0                                        
SHEET    2   D 4 ARG B  88  GLY B  94  1  N  PHE B  89   O  LYS B 111           
SHEET    3   D 4 THR B  65  THR B  70  1  N  GLU B  68   O  VAL B  92           
SHEET    4   D 4 PHE B 138  ARG B 139  1  O  PHE B 138   N  THR B  65           
SITE     1 AC1 26 THR A  70  SER A  71  GLY A  72  ASN A  73                    
SITE     2 AC1 26 VAL A  74  SER A 121  GLN A 142  PHE A 176                    
SITE     3 AC1 26 GLY A 177  THR A 178  THR A 179  GLY A 180                    
SITE     4 AC1 26 THR A 181  GLN A 220  GLY A 221  LEU A 222                    
SITE     5 AC1 26 PRO A 224  SER A 265  PRO A 291  ASP A 292                    
SITE     6 AC1 26 TYR A 297  HOH A 506  HOH A 513  HOH A 514                    
SITE     7 AC1 26 HOH A 517  HOH A 587                                          
SITE     1 AC2 27 THR B  70  SER B  71  ASN B  73  VAL B  74                    
SITE     2 AC2 27 SER B 121  GLN B 142  PHE B 143  PHE B 176                    
SITE     3 AC2 27 GLY B 177  THR B 178  THR B 179  GLY B 180                    
SITE     4 AC2 27 THR B 181  GLN B 220  GLY B 221  LEU B 222                    
SITE     5 AC2 27 PRO B 224  SER B 265  PRO B 291  ASP B 292                    
SITE     6 AC2 27 TYR B 297  HOH B 505  HOH B 509  HOH B 517                    
SITE     7 AC2 27 HOH B 541  HOH B 569  HOH B 574                               
CRYST1  113.350   80.260   74.670  90.00 117.96  90.00 C 1 2 1       8          
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      0.008822  0.000000  0.004683        0.00000                         
SCALE2      0.000000  0.012460  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015162        0.00000