HEADER    LYASE                                   22-MAR-07   2P8C              
TITLE     CRYSTAL STRUCTURE OF N-SUCCINYL ARG/LYS RACEMASE FROM BACILLUS CEREUS 
TITLE    2 ATCC 14579 COMPLEXED WITH N-SUCCINYL ARG.                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MANDELATE RACEMASE/MUCONATE LACTONIZING ENZYME FAMILY      
COMPND   3 PROTEIN;                                                             
COMPND   4 CHAIN: A;                                                            
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS ATCC 14579;                     
SOURCE   3 ORGANISM_TAXID: 226900;                                              
SOURCE   4 STRAIN: DSM 31;                                                      
SOURCE   5 GENE: BC_0371;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ENOLASE SUPERFAMILY, PREDICTION OF FUNCTION, N-SUCCINYL AMINO ACID    
KEYWDS   2 RACEMASE, LYASE                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.A.FEDOROV,L.SONG,E.V.FEDOROV,J.A.GERLT,S.C.ALMO                     
REVDAT   4   30-AUG-23 2P8C    1       REMARK                                   
REVDAT   3   24-FEB-09 2P8C    1       VERSN                                    
REVDAT   2   22-JAN-08 2P8C    1       JRNL                                     
REVDAT   1   03-JUL-07 2P8C    0                                                
JRNL        AUTH   L.SONG,C.KALYANARAMAN,A.A.FEDOROV,E.V.FEDOROV,M.E.GLASNER,   
JRNL        AUTH 2 S.BROWN,H.J.IMKER,P.C.BABBITT,S.C.ALMO,M.P.JACOBSON,         
JRNL        AUTH 3 J.A.GERLT                                                    
JRNL        TITL   PREDICTION AND ASSIGNMENT OF FUNCTION FOR A DIVERGENT        
JRNL        TITL 2 N-SUCCINYL AMINO ACID RACEMASE.                              
JRNL        REF    NAT.CHEM.BIOL.                V.   3   486 2007              
JRNL        REFN                   ISSN 1552-4450                               
JRNL        PMID   17603539                                                     
JRNL        DOI    10.1038/NCHEMBIO.2007.11                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
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) : 24.67                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 192683.100                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 26872                          
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) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.199                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1318                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2218                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2560                       
REMARK   3   BIN FREE R VALUE                    : 0.2570                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 107                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.025                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2871                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 165                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -4.23000                                             
REMARK   3    B22 (A**2) : -4.23000                                             
REMARK   3    B33 (A**2) : 8.45000                                              
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
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) : 0.23                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.20                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.770                           
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) : 1.090 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.640 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.160 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.970 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 44.81                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NSR_PAR.TXT                                    
REMARK   3  PARAMETER FILE  5  : &_1_PARAMETER_INFILE_5                         
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NSR_TOP.TXT                                    
REMARK   3  TOPOLOGY FILE  5   : &_1_TOPOLOGY_INFILE_5                          
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2P8C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042093.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-OCT-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97915                            
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26872                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY                : 12.70                              
REMARK 200  R MERGE                    (I) : 0.09800                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2P88                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 35% MPD, 0.1 M NA/K PHOSPHATE, PH 6.2,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.0K                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 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   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z                                                 
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290      11555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290      12555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290      13555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290      14555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290      15555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
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  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       68.66950            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       43.92500            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000       68.66950            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000       43.92500            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       68.66950            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000       43.92500            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000       68.66950            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       43.92500            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       68.66950            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       43.92500            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       68.66950            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000       43.92500            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000       68.66950            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000       43.92500            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       68.66950            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       68.66950            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       43.92500            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS AN OCTAMER                        
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: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 350   BIOMT1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   8  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 532  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 577  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 582  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 637  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 652  LIES ON A SPECIAL POSITION.                          
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 A   574     O    HOH A   644              2.14            
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   NH2  ARG A   250     NH2  ARG A   250     5555     1.82            
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    VAL A  96       53.19     35.50                                   
REMARK 500    ALA A 140     -178.60   -172.84                                   
REMARK 500    LYS A 197      -57.15     65.27                                   
REMARK 500    GLN A 219       67.89     31.98                                   
REMARK 500    ASP A 243      -84.64   -119.62                                   
REMARK 500    LYS A 247      -66.04   -125.83                                   
REMARK 500    VAL A 297       88.20     80.61                                   
REMARK 500    PRO A 339       24.34    -79.27                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 218   OE2                                                    
REMARK 620 2 ASP A 243   OD2  88.9                                              
REMARK 620 3 SUG A 501   O   107.1  89.3                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SUG A 501                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2P88   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF N-SUCCINYL ARG/LYS RACEMASE FROM BACILLUS       
REMARK 900 CEREUS ATCC 14579, UNLIGANDED                                        
REMARK 900 RELATED ID: 2P8B   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF N-SUCCINYL ARG/LYS RACEMASE FROM BACILLUS       
REMARK 900 CEREUS ATCC 14579 COMPLEXED WITH N-SUCCINYL LYSINE                   
DBREF  2P8C A    1   369  UNP    Q81IL5   Q81IL5_BACCR     1    369             
SEQRES   1 A  369  MET LYS ILE THR ALA ILE HIS LEU TYR ALA ILE ARG LEU          
SEQRES   2 A  369  PRO LEU ARG ASN PRO PHE VAL ILE SER TYR GLY SER TYR          
SEQRES   3 A  369  SER ASP MET PRO SER ILE ILE VAL LYS MET GLU THR ASP          
SEQRES   4 A  369  GLU GLY ILE ILE GLY TYR GLY GLU GLY VAL ALA ASP ASP          
SEQRES   5 A  369  HIS VAL THR GLY GLU SER TRP GLU SER THR PHE HIS THR          
SEQRES   6 A  369  LEU LYS HIS THR LEU THR PRO ALA LEU ILE GLY GLN ASN          
SEQRES   7 A  369  PRO MET ASN ILE GLU LYS ILE HIS ASP MET MET ASP ASN          
SEQRES   8 A  369  THR ILE TYR GLY VAL PRO THR ALA LYS ALA ALA ILE ASP          
SEQRES   9 A  369  ILE ALA CYS PHE ASP ILE MET GLY LYS LYS LEU ASN GLN          
SEQRES  10 A  369  PRO VAL TYR GLN LEU ILE GLY GLY ARG TYR HIS GLU GLU          
SEQRES  11 A  369  PHE PRO VAL THR HIS VAL LEU SER ILE ALA ASP PRO GLU          
SEQRES  12 A  369  ASN MET ALA GLU GLU ALA ALA SER MET ILE GLN LYS GLY          
SEQRES  13 A  369  TYR GLN SER PHE LYS MET LYS VAL GLY THR ASN VAL LYS          
SEQRES  14 A  369  GLU ASP VAL LYS ARG ILE GLU ALA VAL ARG GLU ARG VAL          
SEQRES  15 A  369  GLY ASN ASP ILE ALA ILE ARG VAL ASP VAL ASN GLN GLY          
SEQRES  16 A  369  TRP LYS ASN SER ALA ASN THR LEU THR ALA LEU ARG SER          
SEQRES  17 A  369  LEU GLY HIS LEU ASN ILE ASP TRP ILE GLU GLN PRO VAL          
SEQRES  18 A  369  ILE ALA ASP ASP ILE ASP ALA MET ALA HIS ILE ARG SER          
SEQRES  19 A  369  LYS THR ASP LEU PRO LEU MET ILE ASP GLU GLY LEU LYS          
SEQRES  20 A  369  SER SER ARG GLU MET ARG GLN ILE ILE LYS LEU GLU ALA          
SEQRES  21 A  369  ALA ASP LYS VAL ASN ILE LYS LEU MET LYS CYS GLY GLY          
SEQRES  22 A  369  ILE TYR PRO ALA VAL LYS LEU ALA HIS GLN ALA GLU MET          
SEQRES  23 A  369  ALA GLY ILE GLU CYS GLN VAL GLY SER MET VAL GLU SER          
SEQRES  24 A  369  SER VAL ALA SER SER ALA GLY PHE HIS VAL ALA PHE SER          
SEQRES  25 A  369  LYS LYS ILE ILE THR SER VAL GLU LEU THR GLY PRO LEU          
SEQRES  26 A  369  LYS PHE THR LYS ASP ILE GLY ASN LEU HIS TYR ASP VAL          
SEQRES  27 A  369  PRO PHE ILE ARG LEU ASN GLU LYS PRO GLY LEU GLY ILE          
SEQRES  28 A  369  GLU ILE ASN GLU ASP THR LEU GLN GLU LEU THR VAL PHE          
SEQRES  29 A  369  GLN ASP ILE VAL ARG                                          
HET     MG  A 401       1                                                       
HET    SUG  A 501      19                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SUG N~2~-(3-CARBOXYPROPANOYL)-L-ARGININE                             
HETSYN     SUG N~2~-SUCCINYLARGININE                                            
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  SUG    C10 H18 N4 O5                                                
FORMUL   4  HOH   *165(H2 O)                                                    
HELIX    1   1 ASP A   51  GLY A   56  1                                   6    
HELIX    2   2 SER A   58  THR A   69  1                                  12    
HELIX    3   3 THR A   71  ILE A   75  5                                   5    
HELIX    4   4 ASN A   81  ILE A   93  1                                  13    
HELIX    5   5 VAL A   96  ASN A  116  1                                  21    
HELIX    6   6 PRO A  118  ILE A  123  1                                   6    
HELIX    7   7 ASP A  141  GLN A  154  1                                  14    
HELIX    8   8 ASN A  167  GLY A  183  1                                  17    
HELIX    9   9 ASN A  198  SER A  208  1                                  11    
HELIX   10  10 LEU A  209  ASN A  213  5                                   5    
HELIX   11  11 ASP A  225  SER A  234  1                                  10    
HELIX   12  12 SER A  248  GLU A  259  1                                  12    
HELIX   13  13 LYS A  267  GLY A  272  1                                   6    
HELIX   14  14 GLY A  273  ALA A  287  1                                  15    
HELIX   15  15 SER A  299  SER A  312  1                                  14    
HELIX   16  16 THR A  322  PHE A  327  1                                   6    
HELIX   17  17 ASN A  354  LEU A  361  1                                   8    
SHEET    1   A 4 ILE A  43  GLY A  48  0                                        
SHEET    2   A 4 GLY A  24  THR A  38 -1  N  MET A  36   O  GLY A  44           
SHEET    3   A 4 ILE A   3  ILE A  21 -1  N  ALA A   5   O  GLU A  37           
SHEET    4   A 4 THR A 362  VAL A 368 -1  O  VAL A 363   N  ALA A  10           
SHEET    1   B 2 PHE A 131  PRO A 132  0                                        
SHEET    2   B 2 PHE A 340  ILE A 341 -1  O  ILE A 341   N  PHE A 131           
SHEET    1   C 8 HIS A 135  LEU A 137  0                                        
SHEET    2   C 8 SER A 159  LYS A 163  1  O  LYS A 161   N  LEU A 137           
SHEET    3   C 8 ALA A 187  ASP A 191  1  O  ASP A 191   N  MET A 162           
SHEET    4   C 8 ILE A 217  GLU A 218  1  O  GLU A 218   N  VAL A 190           
SHEET    5   C 8 LEU A 240  ILE A 242  1  O  MET A 241   N  ILE A 217           
SHEET    6   C 8 LYS A 263  ILE A 266  1  O  ASN A 265   N  ILE A 242           
SHEET    7   C 8 GLU A 290  VAL A 293  1  O  GLN A 292   N  ILE A 266           
SHEET    8   C 8 ILE A 316  VAL A 319  1  O  THR A 317   N  CYS A 291           
LINK         OE2 GLU A 218                MG    MG A 401     1555   1555  2.25  
LINK         OD2 ASP A 243                MG    MG A 401     1555   1555  2.18  
LINK        MG    MG A 401                 O   SUG A 501     1555   1555  2.42  
CISPEP   1 VAL A  338    PRO A  339          0         0.39                     
SITE     1 AC1  6 LYS A 161  ASP A 191  GLU A 218  ASP A 243                    
SITE     2 AC1  6 SUG A 501  HOH A 502                                          
SITE     1 AC2 22 PHE A  19  TYR A  26  MET A  29  ASP A  51                    
SITE     2 AC2 22 VAL A 136  LYS A 161  LYS A 163  ASP A 191                    
SITE     3 AC2 22 ASN A 193  ASP A 243  LYS A 267  SER A 295                    
SITE     4 AC2 22 MET A 296  GLU A 320  LEU A 321  THR A 322                    
SITE     5 AC2 22  MG A 401  HOH A 505  HOH A 511  HOH A 524                    
SITE     6 AC2 22 HOH A 606  HOH A 630                                          
CRYST1  137.339  137.339   87.850  90.00  90.00  90.00 I 4 2 2      16          
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      0.007281  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007281  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011383        0.00000