HEADER    HYDROLASE                               17-OCT-10   2XUA              
TITLE     CRYSTAL STRUCTURE OF THE ENOL-LACTONASE FROM BURKHOLDERIA XENOVORANS  
TITLE    2 LB400                                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3-OXOADIPATE ENOL-LACTONASE;                               
COMPND   3 CHAIN: A, H;                                                         
COMPND   4 SYNONYM: PCAD;                                                       
COMPND   5 EC: 3.1.1.24;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BURKHOLDERIA XENOVORANS;                        
SOURCE   3 ORGANISM_TAXID: 266265;                                              
SOURCE   4 STRAIN: LB400;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PET 28(A)                                  
KEYWDS    HYDROLASE, CATECHOL METABOLISM                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.BAINS,L.KAUFMAN,B.FARNELL,M.J.BOULANGER                             
REVDAT   3   23-OCT-24 2XUA    1       REMARK LINK                              
REVDAT   2   06-APR-11 2XUA    1       JRNL                                     
REVDAT   1   26-JAN-11 2XUA    0                                                
JRNL        AUTH   J.BAINS,L.KAUFMAN,B.FARNELL,M.J.BOULANGER                    
JRNL        TITL   A PRODUCT ANALOG BOUND FORM OF 3-OXOADIPATE-ENOL- LACTONASE  
JRNL        TITL 2 (PCAD) REVEALS A MULTIFUNCTIONAL ROLE FOR THE DIVERGENT CAP  
JRNL        TITL 3 DOMAIN.                                                      
JRNL        REF    J.MOL.BIOL.                   V. 406   649 2011              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   21237173                                                     
JRNL        DOI    10.1016/J.JMB.2011.01.007                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0102                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.26                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 34754                          
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 + TEST SET) : 0.185                           
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1837                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2350                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 86.16                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2260                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 121                          
REMARK   3   BIN FREE R VALUE                    : 0.3220                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3968                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 8                                       
REMARK   3   SOLVENT ATOMS            : 445                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.91                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.02000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : -0.02000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.184         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.170         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.110         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.713         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.954                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.924                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4061 ; 0.022 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5525 ; 1.984 ; 1.949       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   519 ; 6.781 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   178 ;33.743 ;22.697       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   633 ;17.082 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    38 ;21.199 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   625 ; 0.162 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3114 ; 0.010 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2589 ; 1.113 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4139 ; 1.871 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1472 ; 3.309 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1386 ; 5.004 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS.                                                          
REMARK   4                                                                      
REMARK   4 2XUA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-OCT-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290045795.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9794                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 325 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36592                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 36.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.4                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : 0.08000                            
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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: NULL                                                  
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.33                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       33.36000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.58000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       33.36000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.58000            
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: 2400 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19060 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.8 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, H                                  
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 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 A2218  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     GLY A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     HIS A     3                                                      
REMARK 465     MSE A     4                                                      
REMARK 465     GLN A   265                                                      
REMARK 465     LYS A   266                                                      
REMARK 465     GLY H     1                                                      
REMARK 465     SER H     2                                                      
REMARK 465     HIS H     3                                                      
REMARK 465     GLN H   265                                                      
REMARK 465     LYS H   266                                                      
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   ND2  ASN A    10     O    HOH A  2004              1.99            
REMARK 500   CE   MSE A   173     O    HOH H  2039              2.00            
REMARK 500   NH2  ARG H   166     O    HOH H  2133              2.01            
REMARK 500   OE1  GLU H    21     O    HOH H  2019              2.04            
REMARK 500   O    VAL A     9     O    HOH A  2003              2.12            
REMARK 500   O    HOH H  2038     O    HOH H  2039              2.14            
REMARK 500   OD1  ASP A    87     NH2  ARG A   116              2.16            
REMARK 500   OE1  GLU A   264     O    HOH A  2233              2.19            
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    GLU A  21   CB    GLU A  21   CG     -0.163                       
REMARK 500    GLU A  21   CG    GLU A  21   CD     -0.121                       
REMARK 500    TYR A 163   CD1   TYR A 163   CE1     0.094                       
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    LEU A  39   CA  -  CB  -  CG  ANGL. DEV. =  17.6 DEGREES          
REMARK 500    LEU A  39   CB  -  CG  -  CD2 ANGL. DEV. =  10.4 DEGREES          
REMARK 500    LEU A 109   CB  -  CG  -  CD1 ANGL. DEV. =  10.3 DEGREES          
REMARK 500    ARG A 116   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG A 116   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ARG H  22   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    LEU H  39   CA  -  CB  -  CG  ANGL. DEV. =  15.0 DEGREES          
REMARK 500    LEU H  39   CB  -  CG  -  CD2 ANGL. DEV. =  10.6 DEGREES          
REMARK 500    ARG H 143   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG H 143   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    ARG H 166   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG H 166   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.9 DEGREES          
REMARK 500    LEU H 171   CA  -  CB  -  CG  ANGL. DEV. = -18.9 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    SER A 100     -112.82     54.62                                   
REMARK 500    SER A 243     -135.34   -100.01                                   
REMARK 500    ILE A 245       70.74   -100.80                                   
REMARK 500    SER H 100     -116.46     55.23                                   
REMARK 500    HIS H 113       48.04   -140.67                                   
REMARK 500    SER H 243     -136.76    -94.24                                   
REMARK 500    ILE H 245       67.15   -101.43                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2020        DISTANCE =  6.40 ANGSTROMS                       
REMARK 525    HOH H2011        DISTANCE =  5.90 ANGSTROMS                       
REMARK 525    HOH H2071        DISTANCE =  6.81 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SHF H 1265                
DBREF  2XUA A    4   266  UNP    Q13KT2   Q13KT2_BURXL     1    263             
DBREF  2XUA H    4   266  UNP    Q13KT2   Q13KT2_BURXL     1    263             
SEQADV 2XUA GLY A    1  UNP  Q13KT2              EXPRESSION TAG                 
SEQADV 2XUA SER A    2  UNP  Q13KT2              EXPRESSION TAG                 
SEQADV 2XUA HIS A    3  UNP  Q13KT2              EXPRESSION TAG                 
SEQADV 2XUA GLY H    1  UNP  Q13KT2              EXPRESSION TAG                 
SEQADV 2XUA SER H    2  UNP  Q13KT2              EXPRESSION TAG                 
SEQADV 2XUA HIS H    3  UNP  Q13KT2              EXPRESSION TAG                 
SEQRES   1 A  266  GLY SER HIS MSE PRO TYR ALA ALA VAL ASN GLY THR GLU          
SEQRES   2 A  266  LEU HIS TYR ARG ILE ASP GLY GLU ARG HIS GLY ASN ALA          
SEQRES   3 A  266  PRO TRP ILE VAL LEU SER ASN SER LEU GLY THR ASP LEU          
SEQRES   4 A  266  SER MSE TRP ALA PRO GLN VAL ALA ALA LEU SER LYS HIS          
SEQRES   5 A  266  PHE ARG VAL LEU ARG TYR ASP THR ARG GLY HIS GLY HIS          
SEQRES   6 A  266  SER GLU ALA PRO LYS GLY PRO TYR THR ILE GLU GLN LEU          
SEQRES   7 A  266  THR GLY ASP VAL LEU GLY LEU MSE ASP THR LEU LYS ILE          
SEQRES   8 A  266  ALA ARG ALA ASN PHE CYS GLY LEU SER MSE GLY GLY LEU          
SEQRES   9 A  266  THR GLY VAL ALA LEU ALA ALA ARG HIS ALA ASP ARG ILE          
SEQRES  10 A  266  GLU ARG VAL ALA LEU CYS ASN THR ALA ALA ARG ILE GLY          
SEQRES  11 A  266  SER PRO GLU VAL TRP VAL PRO ARG ALA VAL LYS ALA ARG          
SEQRES  12 A  266  THR GLU GLY MSE HIS ALA LEU ALA ASP ALA VAL LEU PRO          
SEQRES  13 A  266  ARG TRP PHE THR ALA ASP TYR MSE GLU ARG GLU PRO VAL          
SEQRES  14 A  266  VAL LEU ALA MSE ILE ARG ASP VAL PHE VAL HIS THR ASP          
SEQRES  15 A  266  LYS GLU GLY TYR ALA SER ASN CYS GLU ALA ILE ASP ALA          
SEQRES  16 A  266  ALA ASP LEU ARG PRO GLU ALA PRO GLY ILE LYS VAL PRO          
SEQRES  17 A  266  ALA LEU VAL ILE SER GLY THR HIS ASP LEU ALA ALA THR          
SEQRES  18 A  266  PRO ALA GLN GLY ARG GLU LEU ALA GLN ALA ILE ALA GLY          
SEQRES  19 A  266  ALA ARG TYR VAL GLU LEU ASP ALA SER HIS ILE SER ASN          
SEQRES  20 A  266  ILE GLU ARG ALA ASP ALA PHE THR LYS THR VAL VAL ASP          
SEQRES  21 A  266  PHE LEU THR GLU GLN LYS                                      
SEQRES   1 H  266  GLY SER HIS MSE PRO TYR ALA ALA VAL ASN GLY THR GLU          
SEQRES   2 H  266  LEU HIS TYR ARG ILE ASP GLY GLU ARG HIS GLY ASN ALA          
SEQRES   3 H  266  PRO TRP ILE VAL LEU SER ASN SER LEU GLY THR ASP LEU          
SEQRES   4 H  266  SER MSE TRP ALA PRO GLN VAL ALA ALA LEU SER LYS HIS          
SEQRES   5 H  266  PHE ARG VAL LEU ARG TYR ASP THR ARG GLY HIS GLY HIS          
SEQRES   6 H  266  SER GLU ALA PRO LYS GLY PRO TYR THR ILE GLU GLN LEU          
SEQRES   7 H  266  THR GLY ASP VAL LEU GLY LEU MSE ASP THR LEU LYS ILE          
SEQRES   8 H  266  ALA ARG ALA ASN PHE CYS GLY LEU SER MSE GLY GLY LEU          
SEQRES   9 H  266  THR GLY VAL ALA LEU ALA ALA ARG HIS ALA ASP ARG ILE          
SEQRES  10 H  266  GLU ARG VAL ALA LEU CYS ASN THR ALA ALA ARG ILE GLY          
SEQRES  11 H  266  SER PRO GLU VAL TRP VAL PRO ARG ALA VAL LYS ALA ARG          
SEQRES  12 H  266  THR GLU GLY MSE HIS ALA LEU ALA ASP ALA VAL LEU PRO          
SEQRES  13 H  266  ARG TRP PHE THR ALA ASP TYR MSE GLU ARG GLU PRO VAL          
SEQRES  14 H  266  VAL LEU ALA MSE ILE ARG ASP VAL PHE VAL HIS THR ASP          
SEQRES  15 H  266  LYS GLU GLY TYR ALA SER ASN CYS GLU ALA ILE ASP ALA          
SEQRES  16 H  266  ALA ASP LEU ARG PRO GLU ALA PRO GLY ILE LYS VAL PRO          
SEQRES  17 H  266  ALA LEU VAL ILE SER GLY THR HIS ASP LEU ALA ALA THR          
SEQRES  18 H  266  PRO ALA GLN GLY ARG GLU LEU ALA GLN ALA ILE ALA GLY          
SEQRES  19 H  266  ALA ARG TYR VAL GLU LEU ASP ALA SER HIS ILE SER ASN          
SEQRES  20 H  266  ILE GLU ARG ALA ASP ALA PHE THR LYS THR VAL VAL ASP          
SEQRES  21 H  266  PHE LEU THR GLU GLN LYS                                      
MODRES 2XUA MSE A   41  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE A   86  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE A  101  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE A  147  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE A  164  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE A  173  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H    4  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H   41  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H   86  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H  101  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H  147  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H  164  MET  SELENOMETHIONINE                                   
MODRES 2XUA MSE H  173  MET  SELENOMETHIONINE                                   
HET    MSE  A  41       8                                                       
HET    MSE  A  86       8                                                       
HET    MSE  A 101       8                                                       
HET    MSE  A 147       8                                                       
HET    MSE  A 164       8                                                       
HET    MSE  A 173       8                                                       
HET    MSE  H   4       8                                                       
HET    MSE  H  41       8                                                       
HET    MSE  H  86       8                                                       
HET    MSE  H 101       8                                                       
HET    MSE  H 147       8                                                       
HET    MSE  H 164       8                                                       
HET    MSE  H 173       8                                                       
HET    SHF  H1265       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SHF LAEVULINIC ACID                                                  
HETSYN     SHF LEVULINIC ACID                                                   
FORMUL   1  MSE    13(C5 H11 N O2 SE)                                           
FORMUL   3  SHF    C5 H8 O3                                                     
FORMUL   4  HOH   *445(H2 O)                                                    
HELIX    1   1 ASP A   38  PRO A   44  5                                   7    
HELIX    2   2 GLN A   45  LYS A   51  1                                   7    
HELIX    3   3 THR A   74  LEU A   89  1                                  16    
HELIX    4   4 SER A  100  HIS A  113  1                                  14    
HELIX    5   5 SER A  131  GLY A  146  1                                  16    
HELIX    6   6 GLY A  146  PHE A  159  1                                  14    
HELIX    7   7 THR A  160  GLU A  167  1                                   8    
HELIX    8   8 GLU A  167  HIS A  180  1                                  14    
HELIX    9   9 ASP A  182  ALA A  196  1                                  15    
HELIX   10  10 LEU A  198  ILE A  205  5                                   8    
HELIX   11  11 THR A  221  ILE A  232  1                                  12    
HELIX   12  12 ILE A  245  ARG A  250  1                                   6    
HELIX   13  13 ARG A  250  THR A  263  1                                  14    
HELIX   14  14 ASP H   38  MSE H   41  5                                   4    
HELIX   15  15 TRP H   42  PHE H   53  1                                  12    
HELIX   16  16 THR H   74  LEU H   89  1                                  16    
HELIX   17  17 SER H  100  HIS H  113  1                                  14    
HELIX   18  18 SER H  131  GLY H  146  1                                  16    
HELIX   19  19 GLY H  146  LEU H  155  1                                  10    
HELIX   20  20 PRO H  156  TRP H  158  5                                   3    
HELIX   21  21 THR H  160  GLU H  167  1                                   8    
HELIX   22  22 GLU H  167  HIS H  180  1                                  14    
HELIX   23  23 ASP H  182  ALA H  196  1                                  15    
HELIX   24  24 GLU H  201  ILE H  205  5                                   5    
HELIX   25  25 THR H  221  ILE H  232  1                                  12    
HELIX   26  26 ILE H  245  ARG H  250  1                                   6    
HELIX   27  27 ARG H  250  GLU H  264  1                                  15    
SHEET    1  AA 8 TYR A   6  ALA A   8  0                                        
SHEET    2  AA 8 GLU A  13  ASP A  19 -1  O  LEU A  14   N  ALA A   7           
SHEET    3  AA 8 ARG A  54  TYR A  58 -1  O  VAL A  55   N  ASP A  19           
SHEET    4  AA 8 TRP A  28  SER A  32  1  O  ILE A  29   N  LEU A  56           
SHEET    5  AA 8 ALA A  94  LEU A  99  1  O  ASN A  95   N  VAL A  30           
SHEET    6  AA 8 ILE A 117  CYS A 123  1  N  GLU A 118   O  ALA A  94           
SHEET    7  AA 8 ALA A 209  GLY A 214  1  O  LEU A 210   N  LEU A 122           
SHEET    8  AA 8 ARG A 236  LEU A 240  1  O  ARG A 236   N  VAL A 211           
SHEET    1  HA 8 TYR H   6  VAL H   9  0                                        
SHEET    2  HA 8 THR H  12  ASP H  19 -1  O  THR H  12   N  VAL H   9           
SHEET    3  HA 8 ARG H  54  TYR H  58 -1  O  VAL H  55   N  ASP H  19           
SHEET    4  HA 8 TRP H  28  SER H  32  1  O  ILE H  29   N  LEU H  56           
SHEET    5  HA 8 ALA H  94  LEU H  99  1  O  ASN H  95   N  VAL H  30           
SHEET    6  HA 8 ILE H 117  CYS H 123  1  N  GLU H 118   O  ALA H  94           
SHEET    7  HA 8 ALA H 209  GLY H 214  1  O  LEU H 210   N  LEU H 122           
SHEET    8  HA 8 ARG H 236  LEU H 240  1  O  ARG H 236   N  VAL H 211           
LINK         C   SER A  40                 N   MSE A  41     1555   1555  1.33  
LINK         C   MSE A  41                 N   TRP A  42     1555   1555  1.34  
LINK         C   LEU A  85                 N   MSE A  86     1555   1555  1.33  
LINK         C   MSE A  86                 N   ASP A  87     1555   1555  1.35  
LINK         C   SER A 100                 N   MSE A 101     1555   1555  1.34  
LINK         C   MSE A 101                 N   GLY A 102     1555   1555  1.33  
LINK         C   GLY A 146                 N   MSE A 147     1555   1555  1.33  
LINK         C   MSE A 147                 N   HIS A 148     1555   1555  1.34  
LINK         C   TYR A 163                 N   MSE A 164     1555   1555  1.32  
LINK         C   MSE A 164                 N   GLU A 165     1555   1555  1.33  
LINK         C   ALA A 172                 N   MSE A 173     1555   1555  1.34  
LINK         C   MSE A 173                 N   ILE A 174     1555   1555  1.33  
LINK         C   MSE H   4                 N   PRO H   5     1555   1555  1.36  
LINK         C   SER H  40                 N   MSE H  41     1555   1555  1.34  
LINK         C   MSE H  41                 N   TRP H  42     1555   1555  1.35  
LINK         C   LEU H  85                 N   MSE H  86     1555   1555  1.34  
LINK         C   MSE H  86                 N   ASP H  87     1555   1555  1.33  
LINK         C   SER H 100                 N   MSE H 101     1555   1555  1.34  
LINK         C   MSE H 101                 N   GLY H 102     1555   1555  1.35  
LINK         C   GLY H 146                 N   MSE H 147     1555   1555  1.33  
LINK         C   MSE H 147                 N   HIS H 148     1555   1555  1.33  
LINK         C   TYR H 163                 N   MSE H 164     1555   1555  1.34  
LINK         C   MSE H 164                 N   GLU H 165     1555   1555  1.32  
LINK         C   ALA H 172                 N   MSE H 173     1555   1555  1.33  
LINK         C   MSE H 173                 N   ILE H 174     1555   1555  1.33  
CISPEP   1 GLY A   71    PRO A   72          0        -1.18                     
CISPEP   2 GLY H   71    PRO H   72          0         7.46                     
SITE     1 AC1 11 SER H  34  LEU H  35  ARG H 138  VAL H 154                    
SITE     2 AC1 11 ARG H 157  TRP H 158  PHE H 178  TYR H 186                    
SITE     3 AC1 11 ALA H 219  HOH H2015  HOH H2194                               
CRYST1   66.720  101.160   72.520  90.00  90.00  90.00 P 21 21 2     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      0.014988  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009885  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013789        0.00000