HEADER    LYASE                                   18-JAN-13   4ITG              
TITLE     P113S MUTANT OF E. COLI CYSTATHIONINE BETA-LYASE METC                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYSTATHIONINE BETA-LYASE METC;                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CBL, BETA-CYSTATHIONASE, CYSTEINE LYASE;                    
COMPND   5 EC: 4.4.1.8;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: B3008, JW2975, METC;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    CYSTATHIONINE BETA-LYASE, PLP ADDUCT (LLP RESIDUE AT AMINO ACID 210), 
KEYWDS   2 LYASE                                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.J.SQUIRE,Y.YOSAATMADJA,V.W.C.SOO,W.M.PATRICK                        
REVDAT   4   06-DEC-23 4ITG    1       REMARK                                   
REVDAT   3   20-SEP-23 4ITG    1       REMARK                                   
REVDAT   2   22-SEP-21 4ITG    1       JRNL   REMARK SEQADV LINK                
REVDAT   1   24-DEC-14 4ITG    0                                                
JRNL        AUTH   V.W.SOO,Y.YOSAATMADJA,C.J.SQUIRE,W.M.PATRICK                 
JRNL        TITL   MECHANISTIC AND EVOLUTIONARY INSIGHTS FROM THE RECIPROCAL    
JRNL        TITL 2 PROMISCUITY OF TWO PYRIDOXAL PHOSPHATE-DEPENDENT ENZYMES.    
JRNL        REF    J.BIOL.CHEM.                  V. 291 19873 2016              
JRNL        REFN                   ESSN 1083-351X                               
JRNL        PMID   27474741                                                     
JRNL        DOI    10.1074/JBC.M116.739557                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.74 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
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) : 1.74                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.40                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 67346                          
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) : 0.162                           
REMARK   3   R VALUE            (WORKING SET) : 0.160                           
REMARK   3   FREE R VALUE                     : 0.198                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3587                            
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) : 1.74                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.78                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4647                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.36                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2130                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 255                          
REMARK   3   BIN FREE R VALUE                    : 0.2880                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6034                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 377                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 12.78                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.02000                                              
REMARK   3    B22 (A**2) : -0.01000                                             
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): 0.113         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.109         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.071         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.191         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.945                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6249 ; 0.022 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  4131 ; 0.003 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8493 ; 1.902 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 10064 ; 1.188 ; 3.003       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   793 ; 6.498 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   276 ;36.552 ;23.804       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1003 ;13.259 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    39 ;24.914 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   955 ; 0.241 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  7020 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1292 ; 0.002 ; 0.020       
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):  3901 ; 1.089 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1608 ; 0.380 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6248 ; 1.745 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2348 ; 2.825 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2241 ; 4.274 ; 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 4ITG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-FEB-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000077187.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-OCT-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 8.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : OSMIC                              
REMARK 200  OPTICS                         : OSMIC                              
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 71753                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.740                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.400                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 15.90                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 14.80                              
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: 1CL1                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG400, 0.15M CACL2, 0.1 M           
REMARK 280  HEPES/NAOH (PH 8.2), VAPOR DIFFUSION, HANGING DROP, TEMPERATURE     
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       75.42400            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       75.42400            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       29.96300            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       76.38450            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       29.96300            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       76.38450            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       75.42400            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       29.96300            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       76.38450            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       75.42400            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       29.96300            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       76.38450            
REMARK 290   SMTRY3   8  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: 18070 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 45930 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.0 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       75.42400            
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 551  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 527  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     ALA A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     LYS A     4                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  43    CG   CD   CE   NZ                                   
REMARK 470     LYS B   4    CG   CD   CE   NZ                                   
REMARK 470     GLU B  40    CD   OE1  OE2                                       
REMARK 470     LYS B  43    CG   CD   CE   NZ                                   
REMARK 470     GLU B  53    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 272    CG   CD   CE   NZ                                   
REMARK 470     LYS B 317    CG   CD   CE   NZ                                   
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  73   CG    GLU A  73   CD      0.101                       
REMARK 500    GLU A  73   CD    GLU A  73   OE2     0.066                       
REMARK 500    HIS A 164   NE2   HIS A 164   CD2    -0.077                       
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    ARG A  15   NE  -  CZ  -  NH1 ANGL. DEV. =   5.1 DEGREES          
REMARK 500    ARG A  15   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG A 393   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 393   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ARG B  15   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ARG B  15   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ARG B  49   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG B 254   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG B 285   NE  -  CZ  -  NH1 ANGL. DEV. =   4.6 DEGREES          
REMARK 500    ARG B 285   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  15       55.57    -96.59                                   
REMARK 500    SER A  32      -73.79    -99.80                                   
REMARK 500    PHE A  55      -55.52   -133.40                                   
REMARK 500    ILE A 159      -58.00     73.58                                   
REMARK 500    THR A 209      -35.49    -38.61                                   
REMARK 500    LLP A 210     -114.91    -87.72                                   
REMARK 500    ILE A 220      133.99   -173.19                                   
REMARK 500    SER A 308     -159.08    -99.85                                   
REMARK 500    SER A 339     -171.20     70.80                                   
REMARK 500    TRP A 340     -179.79    175.58                                   
REMARK 500    ALA B  31      142.13   -170.39                                   
REMARK 500    SER B  32      -78.95    -95.66                                   
REMARK 500    PHE B  55      -55.84   -135.18                                   
REMARK 500    ILE B 121      -61.70    -97.60                                   
REMARK 500    ILE B 159      -57.78     68.10                                   
REMARK 500    THR B 209      -38.28    -34.65                                   
REMARK 500    LLP B 210     -109.11    -87.93                                   
REMARK 500    ILE B 220      140.76   -174.16                                   
REMARK 500    SER B 308     -154.81    -89.89                                   
REMARK 500    SER B 339     -178.61     66.13                                   
REMARK 500    TRP B 340     -178.40   -179.03                                   
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 EPE A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE B 401                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4ITX   RELATED DB: PDB                                   
DBREF  4ITG A    1   395  UNP    P06721   METC_ECOLI       1    395             
DBREF  4ITG B    1   395  UNP    P06721   METC_ECOLI       1    395             
SEQADV 4ITG SER A  113  UNP  P06721    PRO   113 ENGINEERED MUTATION            
SEQADV 4ITG SER B  113  UNP  P06721    PRO   113 ENGINEERED MUTATION            
SEQRES   1 A  395  MET ALA ASP LYS LYS LEU ASP THR GLN LEU VAL ASN ALA          
SEQRES   2 A  395  GLY ARG SER LYS LYS TYR THR LEU GLY ALA VAL ASN SER          
SEQRES   3 A  395  VAL ILE GLN ARG ALA SER SER LEU VAL PHE ASP SER VAL          
SEQRES   4 A  395  GLU ALA LYS LYS HIS ALA THR ARG ASN ARG ALA ASN GLY          
SEQRES   5 A  395  GLU LEU PHE TYR GLY ARG ARG GLY THR LEU THR HIS PHE          
SEQRES   6 A  395  SER LEU GLN GLN ALA MET CYS GLU LEU GLU GLY GLY ALA          
SEQRES   7 A  395  GLY CYS VAL LEU PHE PRO CYS GLY ALA ALA ALA VAL ALA          
SEQRES   8 A  395  ASN SER ILE LEU ALA PHE ILE GLU GLN GLY ASP HIS VAL          
SEQRES   9 A  395  LEU MET THR ASN THR ALA TYR GLU SER SER GLN ASP PHE          
SEQRES  10 A  395  CYS SER LYS ILE LEU SER LYS LEU GLY VAL THR THR SER          
SEQRES  11 A  395  TRP PHE ASP PRO LEU ILE GLY ALA ASP ILE VAL LYS HIS          
SEQRES  12 A  395  LEU GLN PRO ASN THR LYS ILE VAL PHE LEU GLU SER PRO          
SEQRES  13 A  395  GLY SER ILE THR MET GLU VAL HIS ASP VAL PRO ALA ILE          
SEQRES  14 A  395  VAL ALA ALA VAL ARG SER VAL VAL PRO ASP ALA ILE ILE          
SEQRES  15 A  395  MET ILE ASP ASN THR TRP ALA ALA GLY VAL LEU PHE LYS          
SEQRES  16 A  395  ALA LEU ASP PHE GLY ILE ASP VAL SER ILE GLN ALA ALA          
SEQRES  17 A  395  THR LLP TYR LEU VAL GLY HIS SER ASP ALA MET ILE GLY          
SEQRES  18 A  395  THR ALA VAL CYS ASN ALA ARG CYS TRP GLU GLN LEU ARG          
SEQRES  19 A  395  GLU ASN ALA TYR LEU MET GLY GLN MET VAL ASP ALA ASP          
SEQRES  20 A  395  THR ALA TYR ILE THR SER ARG GLY LEU ARG THR LEU GLY          
SEQRES  21 A  395  VAL ARG LEU ARG GLN HIS HIS GLU SER SER LEU LYS VAL          
SEQRES  22 A  395  ALA GLU TRP LEU ALA GLU HIS PRO GLN VAL ALA ARG VAL          
SEQRES  23 A  395  ASN HIS PRO ALA LEU PRO GLY SER LYS GLY HIS GLU PHE          
SEQRES  24 A  395  TRP LYS ARG ASP PHE THR GLY SER SER GLY LEU PHE SER          
SEQRES  25 A  395  PHE VAL LEU LYS LYS LYS LEU ASN ASN GLU GLU LEU ALA          
SEQRES  26 A  395  ASN TYR LEU ASP ASN PHE SER LEU PHE SER MET ALA TYR          
SEQRES  27 A  395  SER TRP GLY GLY TYR GLU SER LEU ILE LEU ALA ASN GLN          
SEQRES  28 A  395  PRO GLU HIS ILE ALA ALA ILE ARG PRO GLN GLY GLU ILE          
SEQRES  29 A  395  ASP PHE SER GLY THR LEU ILE ARG LEU HIS ILE GLY LEU          
SEQRES  30 A  395  GLU ASP VAL ASP ASP LEU ILE ALA ASP LEU ASP ALA GLY          
SEQRES  31 A  395  PHE ALA ARG ILE VAL                                          
SEQRES   1 B  395  MET ALA ASP LYS LYS LEU ASP THR GLN LEU VAL ASN ALA          
SEQRES   2 B  395  GLY ARG SER LYS LYS TYR THR LEU GLY ALA VAL ASN SER          
SEQRES   3 B  395  VAL ILE GLN ARG ALA SER SER LEU VAL PHE ASP SER VAL          
SEQRES   4 B  395  GLU ALA LYS LYS HIS ALA THR ARG ASN ARG ALA ASN GLY          
SEQRES   5 B  395  GLU LEU PHE TYR GLY ARG ARG GLY THR LEU THR HIS PHE          
SEQRES   6 B  395  SER LEU GLN GLN ALA MET CYS GLU LEU GLU GLY GLY ALA          
SEQRES   7 B  395  GLY CYS VAL LEU PHE PRO CYS GLY ALA ALA ALA VAL ALA          
SEQRES   8 B  395  ASN SER ILE LEU ALA PHE ILE GLU GLN GLY ASP HIS VAL          
SEQRES   9 B  395  LEU MET THR ASN THR ALA TYR GLU SER SER GLN ASP PHE          
SEQRES  10 B  395  CYS SER LYS ILE LEU SER LYS LEU GLY VAL THR THR SER          
SEQRES  11 B  395  TRP PHE ASP PRO LEU ILE GLY ALA ASP ILE VAL LYS HIS          
SEQRES  12 B  395  LEU GLN PRO ASN THR LYS ILE VAL PHE LEU GLU SER PRO          
SEQRES  13 B  395  GLY SER ILE THR MET GLU VAL HIS ASP VAL PRO ALA ILE          
SEQRES  14 B  395  VAL ALA ALA VAL ARG SER VAL VAL PRO ASP ALA ILE ILE          
SEQRES  15 B  395  MET ILE ASP ASN THR TRP ALA ALA GLY VAL LEU PHE LYS          
SEQRES  16 B  395  ALA LEU ASP PHE GLY ILE ASP VAL SER ILE GLN ALA ALA          
SEQRES  17 B  395  THR LLP TYR LEU VAL GLY HIS SER ASP ALA MET ILE GLY          
SEQRES  18 B  395  THR ALA VAL CYS ASN ALA ARG CYS TRP GLU GLN LEU ARG          
SEQRES  19 B  395  GLU ASN ALA TYR LEU MET GLY GLN MET VAL ASP ALA ASP          
SEQRES  20 B  395  THR ALA TYR ILE THR SER ARG GLY LEU ARG THR LEU GLY          
SEQRES  21 B  395  VAL ARG LEU ARG GLN HIS HIS GLU SER SER LEU LYS VAL          
SEQRES  22 B  395  ALA GLU TRP LEU ALA GLU HIS PRO GLN VAL ALA ARG VAL          
SEQRES  23 B  395  ASN HIS PRO ALA LEU PRO GLY SER LYS GLY HIS GLU PHE          
SEQRES  24 B  395  TRP LYS ARG ASP PHE THR GLY SER SER GLY LEU PHE SER          
SEQRES  25 B  395  PHE VAL LEU LYS LYS LYS LEU ASN ASN GLU GLU LEU ALA          
SEQRES  26 B  395  ASN TYR LEU ASP ASN PHE SER LEU PHE SER MET ALA TYR          
SEQRES  27 B  395  SER TRP GLY GLY TYR GLU SER LEU ILE LEU ALA ASN GLN          
SEQRES  28 B  395  PRO GLU HIS ILE ALA ALA ILE ARG PRO GLN GLY GLU ILE          
SEQRES  29 B  395  ASP PHE SER GLY THR LEU ILE ARG LEU HIS ILE GLY LEU          
SEQRES  30 B  395  GLU ASP VAL ASP ASP LEU ILE ALA ASP LEU ASP ALA GLY          
SEQRES  31 B  395  PHE ALA ARG ILE VAL                                          
MODRES 4ITG LLP A  210  LYS                                                     
MODRES 4ITG LLP B  210  LYS                                                     
HET    LLP  A 210      24                                                       
HET    LLP  B 210      24                                                       
HET    EPE  A 401      15                                                       
HET    EPE  B 401      15                                                       
HETNAM     LLP (2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-                           
HETNAM   2 LLP  (PHOSPHONOOXYMETHYL)PYRIDIN-4-                                  
HETNAM   3 LLP  YL]METHYLIDENEAMINO]HEXANOIC ACID                               
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETSYN     LLP N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE                             
HETSYN     EPE HEPES                                                            
FORMUL   1  LLP    2(C14 H22 N3 O7 P)                                           
FORMUL   3  EPE    2(C8 H18 N2 O4 S)                                            
FORMUL   5  HOH   *377(H2 O)                                                    
HELIX    1   1 LYS A    5  ALA A   13  1                                   9    
HELIX    2   2 SER A   16  LEU A   21  1                                   6    
HELIX    3   3 SER A   38  ASN A   48  1                                  11    
HELIX    4   4 THR A   61  GLY A   76  1                                  16    
HELIX    5   5 CYS A   85  ILE A   98  1                                  14    
HELIX    6   6 TYR A  111  ILE A  121  1                                  11    
HELIX    7   7 LEU A  122  GLY A  126  5                                   5    
HELIX    8   8 ILE A  136  LEU A  144  5                                   9    
HELIX    9   9 ASP A  165  VAL A  177  1                                  13    
HELIX   10  10 LYS A  195  GLY A  200  5                                   6    
HELIX   11  11 CYS A  229  MET A  240  1                                  12    
HELIX   12  12 ASP A  245  ARG A  257  1                                  13    
HELIX   13  13 THR A  258  GLU A  279  1                                  22    
HELIX   14  14 GLY A  296  PHE A  304  1                                   9    
HELIX   15  15 ASN A  320  ASN A  330  1                                  11    
HELIX   16  16 GLN A  351  ALA A  357  1                                   7    
HELIX   17  17 ASP A  379  ILE A  394  1                                  16    
HELIX   18  18 LYS B    5  ALA B   13  1                                   9    
HELIX   19  19 SER B   16  LEU B   21  1                                   6    
HELIX   20  20 SER B   38  ASN B   48  1                                  11    
HELIX   21  21 TYR B   56  GLY B   60  5                                   5    
HELIX   22  22 THR B   61  GLY B   76  1                                  16    
HELIX   23  23 CYS B   85  ILE B   98  1                                  14    
HELIX   24  24 TYR B  111  ILE B  121  1                                  11    
HELIX   25  25 LEU B  122  GLY B  126  5                                   5    
HELIX   26  26 ILE B  136  LEU B  144  5                                   9    
HELIX   27  27 ASP B  165  VAL B  177  1                                  13    
HELIX   28  28 LYS B  195  GLY B  200  5                                   6    
HELIX   29  29 ASN B  226  MET B  240  1                                  15    
HELIX   30  30 ASP B  245  HIS B  280  1                                  36    
HELIX   31  31 GLY B  296  PHE B  304  1                                   9    
HELIX   32  32 ASN B  320  ASP B  329  1                                  10    
HELIX   33  33 GLN B  351  ALA B  357  1                                   7    
HELIX   34  34 ASP B  379  ARG B  393  1                                  15    
SHEET    1   A 7 GLY A  79  PHE A  83  0                                        
SHEET    2   A 7 GLY A 221  CYS A 225 -1  O  ALA A 223   N  VAL A  81           
SHEET    3   A 7 VAL A 203  ALA A 207 -1  N  SER A 204   O  VAL A 224           
SHEET    4   A 7 ILE A 181  ASP A 185  1  N  ILE A 184   O  ILE A 205           
SHEET    5   A 7 THR A 148  GLU A 154  1  N  LEU A 153   O  MET A 183           
SHEET    6   A 7 HIS A 103  THR A 107  1  N  HIS A 103   O  LYS A 149           
SHEET    7   A 7 THR A 128  PHE A 132  1  O  SER A 130   N  VAL A 104           
SHEET    1   B 4 VAL A 283  ASN A 287  0                                        
SHEET    2   B 4 LEU A 310  LEU A 315 -1  O  SER A 312   N  ASN A 287           
SHEET    3   B 4 LEU A 370  HIS A 374 -1  O  ILE A 371   N  PHE A 313           
SHEET    4   B 4 LEU A 346  ASN A 350 -1  N  ASN A 350   O  LEU A 370           
SHEET    1   C 7 GLY B  79  PHE B  83  0                                        
SHEET    2   C 7 GLY B 221  CYS B 225 -1  O  ALA B 223   N  VAL B  81           
SHEET    3   C 7 VAL B 203  ALA B 207 -1  N  SER B 204   O  VAL B 224           
SHEET    4   C 7 ILE B 181  ASP B 185  1  N  ILE B 184   O  ILE B 205           
SHEET    5   C 7 THR B 148  GLU B 154  1  N  LYS B 149   O  ILE B 181           
SHEET    6   C 7 HIS B 103  THR B 107  1  N  LEU B 105   O  PHE B 152           
SHEET    7   C 7 THR B 128  PHE B 132  1  O  SER B 130   N  VAL B 104           
SHEET    1   D 4 VAL B 283  ASN B 287  0                                        
SHEET    2   D 4 LEU B 310  LEU B 315 -1  O  VAL B 314   N  ARG B 285           
SHEET    3   D 4 LEU B 370  HIS B 374 -1  O  ILE B 371   N  PHE B 313           
SHEET    4   D 4 LEU B 346  ASN B 350 -1  N  ASN B 350   O  LEU B 370           
LINK         C   THR A 209                 N   LLP A 210     1555   1555  1.34  
LINK         C   LLP A 210                 N   TYR A 211     1555   1555  1.33  
LINK         C   THR B 209                 N   LLP B 210     1555   1555  1.33  
LINK         C   LLP B 210                 N   TYR B 211     1555   1555  1.32  
CISPEP   1 SER A  155    PRO A  156          0       -11.43                     
CISPEP   2 SER B  155    PRO B  156          0       -11.03                     
SITE     1 AC1 10 TYR A 111  SER A 113  ASP A 116  LLP A 210                    
SITE     2 AC1 10 TYR A 338  SER A 339  TRP A 340  ARG A 372                    
SITE     3 AC1 10 HOH A 624  HOH A 634                                          
SITE     1 AC2  8 TYR B 111  SER B 113  ASP B 116  LLP B 210                    
SITE     2 AC2  8 TYR B 338  SER B 339  TRP B 340  ARG B 372                    
CRYST1   59.926  152.769  150.848  90.00  90.00  90.00 C 2 2 21     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      0.016687  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006546  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006629        0.00000