HEADER    LYASE                                   16-NOV-06   2J9X              
TITLE     TRYPTOPHAN SYNTHASE IN COMPLEX WITH GP, ALPHA-D,L-GLYCEROL-PHOSPHATE, 
TITLE    2 CS, PH6.5 - ALPHA AMINOACRYLATE FORM - (GP)E(A-A)                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRYPTOPHAN SYNTHASE ALPHA CHAIN;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 4.2.1.20;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: TRYPTOPHAN SYNTHASE BETA CHAIN;                            
COMPND   8 CHAIN: B;                                                            
COMPND   9 EC: 4.2.1.20;                                                        
COMPND  10 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE   3 ORGANISM_TAXID: 602;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: CB149;                                     
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PSTB7;                                    
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM;                         
SOURCE  10 ORGANISM_TAXID: 602;                                                 
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  13 EXPRESSION_SYSTEM_VECTOR: PSTB7                                      
KEYWDS    AROMATIC AMINO ACID BIOSYNTHESIS, TRYPTOPHAN BIOSYNTHESIS, CRBON-     
KEYWDS   2 OXYGEN LYASE, AMINO-ACID BIOSYNTHESIS, LYASE, ALLOSTERIC ENZYME,     
KEYWDS   3 PYRIDOXAL PHOSPHATE, SYNTHASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.NGO,N.KIMMICH,R.HARRIS,D.NIKS,L.BLUMENSTEIN,V.KULIK,T.R.BARENDS,    
AUTHOR   2 I.SCHLICHTING,M.F.DUNN                                               
REVDAT   4   08-MAY-24 2J9X    1       LINK                                     
REVDAT   3   24-FEB-09 2J9X    1       VERSN                                    
REVDAT   2   03-JUL-07 2J9X    1       JRNL                                     
REVDAT   1   26-JUN-07 2J9X    0                                                
JRNL        AUTH   H.NGO,N.KIMMICH,R.HARRIS,D.NIKS,L.BLUMENSTEIN,V.KULIK,       
JRNL        AUTH 2 T.R.BARENDS,I.SCHLICHTING,M.F.DUNN                           
JRNL        TITL   ALLOSTERIC REGULATION OF SUBSTRATE CHANNELING IN TRYPTOPHAN  
JRNL        TITL 2 SYNTHASE: MODULATION OF THE L-SERINE REACTION IN STAGE I OF  
JRNL        TITL 3 THE BETA-REACTION BY ALPHA-SITE LIGANDS.                     
JRNL        REF    BIOCHEMISTRY                  V.  46  7740 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   17559232                                                     
JRNL        DOI    10.1021/BI7003872                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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 : MAXIMUM LIKELIHOOD                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.63                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 3935957.930                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 55475                          
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) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2821                            
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           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 95.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 8619                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2650                       
REMARK   3   BIN FREE R VALUE                    : 0.3000                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 449                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.014                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4881                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 418                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 8.60                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -4.04000                                             
REMARK   3    B22 (A**2) : 10.30000                                             
REMARK   3    B33 (A**2) : -6.26000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.99000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.22                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.19                            
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) : 0.26                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.24                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.106                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.160                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 42.06                                                
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  : TRPS_LIG.PARAM                                 
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : TRPS_LIG.TOP                                   
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 2J9X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-NOV-06.                  
REMARK 100 THE DEPOSITION ID IS D_1290030537.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.80                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.934                              
REMARK 200  MONOCHROMATOR                  : DIAMOND 111, GE 220                
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 74159                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 10.100                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 2.600                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.49000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.80                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       91.60600            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.81050            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       91.60600            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       29.81050            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PQS                                                   
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      183.21200            
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 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   190                                                      
REMARK 465     LEU A   191                                                      
REMARK 465     PRO A   192                                                      
REMARK 465     ILE B   397                                                      
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     GLU A   2    CG   CD   OE1  OE2                                  
REMARK 470     GLU A   5    CG   CD   OE1  OE2                                  
REMARK 470     ARG A  14    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A  15    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN A 109    CG   OD1  ND2                                       
REMARK 470     GLN A 120    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 186    CG   CD   OE1  OE2                                  
REMARK 470     HIS A 194    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU A 198    CG   CD   OE1  OE2                                  
REMARK 470     HIS A 204    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU A 218    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 225    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 239    CG   CD   CE   NZ                                   
REMARK 470     LYS A 249    CG   CD   CE   NZ                                   
REMARK 470     GLU A 254    CG   CD   OE1  OE2                                  
REMARK 470     ALA A 268    CA   C    O    CB                                   
REMARK 470     GLU B  30    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  40    CG   CD   OE1  OE2                                  
REMARK 470     GLN B  63    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 129    CG   CD   CE   NZ                                   
REMARK 470     LYS B 392    CG   CD   CE   NZ                                   
REMARK 470     GLU B 396    CA   C    O    CB   CG   CD   OE1                   
REMARK 470     GLU B 396    OE2                                                 
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    CYS B    62     O    HOH B  2057              2.18            
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  CS     CS B  1398    CS     CS B  1398     2655     1.11            
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 B 140   CD    GLU B 140   OE2     0.076                       
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    MET B 287   N   -  CA  -  C   ANGL. DEV. = -17.0 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    PHE A 212      115.43     96.63                                   
REMARK 500    SER B 180       16.11   -147.69                                   
REMARK 500    ALA B 226      135.69   -172.53                                   
REMARK 500    ALA B 242      -64.02    -28.05                                   
REMARK 500    ALA B 269       61.03   -114.46                                   
REMARK 500    HIS B 273       19.18   -140.58                                   
REMARK 500    SER B 299      140.82   -171.76                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR B 298         0.07    SIDE CHAIN                              
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                              CS B1398  CS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY B  54   O                                                      
REMARK 620 2 GLY B  54   O   127.2                                              
REMARK 620 3 PRO B  56   O   112.0  74.7                                        
REMARK 620 4 PRO B  56   O    57.2 127.0 158.4                                  
REMARK 620 5 HOH B2055   O    83.3  49.4  68.1 123.9                            
REMARK 620 6 HOH B2055   O    41.7  91.2 127.6  59.1  64.9                      
REMARK 620 7 HOH B2056   O    81.2  65.1 136.0  64.2  72.5  41.2                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CS B1399  CS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B  66   OG1                                                    
REMARK 620 2 THR B  66   O    63.0                                              
REMARK 620 3 THR B  69   O   132.8  74.5                                        
REMARK 620 4 THR B  71   O    63.0  85.7  95.7                                  
REMARK 620 5 HOH B2036   O   142.9 143.7  70.3  89.4                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CS B1397  CS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL B 231   O                                                      
REMARK 620 2 GLY B 232   O    65.2                                              
REMARK 620 3 GLY B 268   O    93.2 151.0                                        
REMARK 620 4 LEU B 304   O    90.2 112.4  85.3                                  
REMARK 620 5 PHE B 306   O   163.8 123.4  82.6  73.9                            
REMARK 620 6 SER B 308   O   124.6  70.1 112.7 137.6  71.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B1397                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B1398                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B1399                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE G3P A1268                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE P1T B1396                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B1400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B1401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DMS B1402                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1A50   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5- 
REMARK 900 FLUOROINDOLE PROPANOL PHOSPHATE                                      
REMARK 900 RELATED ID: 1A5A   RELATED DB: PDB                                   
REMARK 900 CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE, INDOLE-3-GLYCEROL          
REMARK 900 PHOSPHATE, BOUND TO A MUTANT (ALPHAD60N) TRYPTOPHAN SYNTHASE         
REMARK 900 ALPHA2BETA2 COMPLEX REVEALS THE CORRECT ORIENTATION OF ACTIVE SITE   
REMARK 900 ALPHA GLU 49                                                         
REMARK 900 RELATED ID: 1A5B   RELATED DB: PDB                                   
REMARK 900 CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE, INDOLE-3-GLYCEROL          
REMARK 900 PHOSPHATE, BOUND TO A MUTANT (ALPHA D60N) TRYPTOPHAN SYNTHASE ALPHA  
REMARK 900 =2=BETA=2= COMPLEX REVEALS THE CORRECT ORIENTATION OF ACTIVE SITE    
REMARK 900 ALPHA GLU 49                                                         
REMARK 900 RELATED ID: 1A5S   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5- 
REMARK 900 FLUOROINDOLE PROPANOL PHOSPHATE AND L-SER BOUND AS AMINO ACRYLATE    
REMARK 900 TO THE BETA SITE                                                     
REMARK 900 RELATED ID: 1BEU   RELATED DB: PDB                                   
REMARK 900 TRP SYNTHASE (D60N-IPP-SER) WITH K+                                  
REMARK 900 RELATED ID: 1BKS   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE FROM SALMONELLA TYPHIMURIUM                      
REMARK 900 RELATED ID: 1C29   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE    
REMARK 900 WITH THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                   
REMARK 900 HYDROXYPHENYLTHIO)-1-BUTENYLPHOSPHONIC ACID                          
REMARK 900 RELATED ID: 1C8V   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE    
REMARK 900 WITH THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                   
REMARK 900 HYDROXYPHENYLTHIO)-BUTYLPHOSPHONIC ACID                              
REMARK 900 RELATED ID: 1C9D   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE    
REMARK 900 WITH THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2- HYDROXY-4-        
REMARK 900 FLUOROPHENYLTHIO)-BUTYLPHOSPHONIC ACID                               
REMARK 900 RELATED ID: 1CW2   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE    
REMARK 900 WITH THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2-                   
REMARK 900 HYDROXYPHENYLSULFINYL)-BUTYLPHOSPHONIC ACID                          
REMARK 900 RELATED ID: 1CX9   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE    
REMARK 900 WITH THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2- AMINOPHENYLTHIO)- 
REMARK 900 BUTYLPHOSPHONIC ACID                                                 
REMARK 900 RELATED ID: 1FUY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF BETAA169L/BETAC170W DOUBLE MUTANT OFTRYPTOPHAN  
REMARK 900 SYNTHASE COMPLEXED WITH 5-FLUORO-INDOLE-PROPANOLPHOSPHATE            
REMARK 900 RELATED ID: 1K3U   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASECOMPLEXED WITH N-  
REMARK 900 [1H-INDOL-3-YL- ACETYL]ASPARTIC ACID                                 
REMARK 900 RELATED ID: 1K7E   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASECOMPLEXED WITH N-  
REMARK 900 [1H-INDOL-3-YL- ACETYL]GLYCINE ACID                                  
REMARK 900 RELATED ID: 1K7F   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASECOMPLEXED WITH N-  
REMARK 900 [1H-INDOL-3-YL- ACETYL]VALINE ACID                                   
REMARK 900 RELATED ID: 1K7X   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE BETA-SER178PRO MUTANT OFTRYPTOPHAN SYNTHASE 
REMARK 900 RELATED ID: 1K8X   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHANSYNTHASE FROM    
REMARK 900 SALMONELLA TYPHIMURIUM                                               
REMARK 900 RELATED ID: 1K8Y   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE BETA-SER178PROMUTANT    
REMARK 900 COMPLEXED WITH D,L- ALPHA-GLYCEROL-3-PHOSPHATE                       
REMARK 900 RELATED ID: 1K8Z   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE BETA-SER178PROMUTANT    
REMARK 900 COMPLEXED WITH N-[1H- INDOL-3-YL-ACETYL]GLYCINE ACID                 
REMARK 900 RELATED ID: 1KFB   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHANSYNTHASE FROM    
REMARK 900 SALMONELLA TYPHIMURIUM WITH INDOLE GLYCEROLPHOSPHATE                 
REMARK 900 RELATED ID: 1KFC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHANSYNTHASE FROM    
REMARK 900 SALMONELLA TYPHIMURIUM WITH INDOLE PROPANOLPHOSPHATE                 
REMARK 900 RELATED ID: 1KFE   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHANSYNTHASE FROM    
REMARK 900 SALMONELLA TYPHIMURIUM WITH L-SER BOUND TOTHE BETA SITE              
REMARK 900 RELATED ID: 1KFJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASECOMPLEXED WITH L-  
REMARK 900 SERINE                                                               
REMARK 900 RELATED ID: 1KFK   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF TRYPTOPHAN SYNTHASE FROM SALMONELLATYPHIMURIUM  
REMARK 900 RELATED ID: 1QOP   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH    
REMARK 900 INDOLE PROPANOL PHOSPHATE                                            
REMARK 900 RELATED ID: 1QOQ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH    
REMARK 900 INDOLE GLYCEROL PHOSPHATE                                            
REMARK 900 RELATED ID: 1TJP   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASECOMPLEXED WITH 1-  
REMARK 900 [(2-HYDROXYLPHENYL) AMINO]3-GLYCEROLPHOSPHATE                        
REMARK 900 RELATED ID: 1TTP   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE IN THE PRESENCE OF CESIUM, ROOM TEMPERATURE      
REMARK 900 RELATED ID: 1UBS   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE WITH A MUTATION OF LYS 87 ->THR IN THE B         
REMARK 900 SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE                       
REMARK 900 RELATED ID: 1WBJ   RELATED DB: PDB                                   
REMARK 900 WILDTYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH GLYCEROL PHOSPHATE       
REMARK 900 RELATED ID: 2CLE   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'- TRIFLUOROMETHOXYBENZOYL)- 
REMARK 900 2-AMINO-1- ETHYLPHOSPHATE (F6) - LOWF6 COMPLEX                       
REMARK 900 RELATED ID: 2CLF   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'- TRIFLUOROMETHOXYBENZOYL)- 
REMARK 900 2-AMINO-1- ETHYLPHOSPHATE (F6) - HIGHF6 COMPLEX                      
REMARK 900 RELATED ID: 2CLI   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE IN COMPLEX WITH N-(4'-                           
REMARK 900 TRIFLUOROMETHOXYBENZENESULFONYL)-2-AMINO-1- ETHYLPHOSPHATE (F9)      
REMARK 900 RELATED ID: 2CLK   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE IN COMPLEX WITH D- GLYCERALDEHYDE 3-PHOSPHATE    
REMARK 900 (G3P)                                                                
REMARK 900 RELATED ID: 2CLL   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE) IN COMPLEX WITH N-(4'- 
REMARK 900 TRIFLUOROMETHOXYBENZENESULFONYL)-2-AMINO-1- ETHYLPHOSPHATE (F9)      
REMARK 900 RELATED ID: 2CLM   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE) IN COMPLEX WITH N-(4'- 
REMARK 900 TRIFLUOROMETHOXYBENZOYL )-2-AMINO-1-ETHYLPHOSPHATE (F6)              
REMARK 900 RELATED ID: 2CLO   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE (EXTERNAL ALDIMINE STATE) IN COMPLEX WITH        
REMARK 900 (NAPHTHALENE-2'-SULFONYL)-2 -AMINO-1-ETHYLPHOSPHATE (F19)            
REMARK 900 RELATED ID: 2TRS   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA=2  
REMARK 900 BETA=2= COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA  
REMARK 900 AND BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES       
REMARK 900 RELATED ID: 2TSY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA=2  
REMARK 900 BETA=2= COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA  
REMARK 900 AND BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES       
REMARK 900 RELATED ID: 2TYS   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA=2  
REMARK 900 BETA=2= COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA  
REMARK 900 AND BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES       
REMARK 900 RELATED ID: 2WSY   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE                   
REMARK 900 RELATED ID: 2J9Y   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE Q114N MUTANT IN COMPLEX WITH COMPOUND II         
REMARK 900 RELATED ID: 2J9Z   RELATED DB: PDB                                   
REMARK 900 TRYPTOPHAN SYNTHASE T110 MUTANT COMPLEX                              
DBREF  2J9X A    1   268  UNP    P00929   TRPA_SALTY       1    268             
DBREF  2J9X B    2   397  UNP    P0A2K1   TRPB_SALTY       1    396             
SEQRES   1 A  268  MET GLU ARG TYR GLU ASN LEU PHE ALA GLN LEU ASN ASP          
SEQRES   2 A  268  ARG ARG GLU GLY ALA PHE VAL PRO PHE VAL THR LEU GLY          
SEQRES   3 A  268  ASP PRO GLY ILE GLU GLN SER LEU LYS ILE ILE ASP THR          
SEQRES   4 A  268  LEU ILE ASP ALA GLY ALA ASP ALA LEU GLU LEU GLY VAL          
SEQRES   5 A  268  PRO PHE SER ASP PRO LEU ALA ASP GLY PRO THR ILE GLN          
SEQRES   6 A  268  ASN ALA ASN LEU ARG ALA PHE ALA ALA GLY VAL THR PRO          
SEQRES   7 A  268  ALA GLN CYS PHE GLU MET LEU ALA LEU ILE ARG GLU LYS          
SEQRES   8 A  268  HIS PRO THR ILE PRO ILE GLY LEU LEU MET TYR ALA ASN          
SEQRES   9 A  268  LEU VAL PHE ASN ASN GLY ILE ASP ALA PHE TYR ALA ARG          
SEQRES  10 A  268  CYS GLU GLN VAL GLY VAL ASP SER VAL LEU VAL ALA ASP          
SEQRES  11 A  268  VAL PRO VAL GLU GLU SER ALA PRO PHE ARG GLN ALA ALA          
SEQRES  12 A  268  LEU ARG HIS ASN ILE ALA PRO ILE PHE ILE CYS PRO PRO          
SEQRES  13 A  268  ASN ALA ASP ASP ASP LEU LEU ARG GLN VAL ALA SER TYR          
SEQRES  14 A  268  GLY ARG GLY TYR THR TYR LEU LEU SER ARG SER GLY VAL          
SEQRES  15 A  268  THR GLY ALA GLU ASN ARG GLY ALA LEU PRO LEU HIS HIS          
SEQRES  16 A  268  LEU ILE GLU LYS LEU LYS GLU TYR HIS ALA ALA PRO ALA          
SEQRES  17 A  268  LEU GLN GLY PHE GLY ILE SER SER PRO GLU GLN VAL SER          
SEQRES  18 A  268  ALA ALA VAL ARG ALA GLY ALA ALA GLY ALA ILE SER GLY          
SEQRES  19 A  268  SER ALA ILE VAL LYS ILE ILE GLU LYS ASN LEU ALA SER          
SEQRES  20 A  268  PRO LYS GLN MET LEU ALA GLU LEU ARG SER PHE VAL SER          
SEQRES  21 A  268  ALA MET LYS ALA ALA SER ARG ALA                              
SEQRES   1 B  396  THR THR LEU LEU ASN PRO TYR PHE GLY GLU PHE GLY GLY          
SEQRES   2 B  396  MET TYR VAL PRO GLN ILE LEU MET PRO ALA LEU ASN GLN          
SEQRES   3 B  396  LEU GLU GLU ALA PHE VAL SER ALA GLN LYS ASP PRO GLU          
SEQRES   4 B  396  PHE GLN ALA GLN PHE ALA ASP LEU LEU LYS ASN TYR ALA          
SEQRES   5 B  396  GLY ARG PRO THR ALA LEU THR LYS CYS GLN ASN ILE THR          
SEQRES   6 B  396  ALA GLY THR ARG THR THR LEU TYR LEU LYS ARG GLU ASP          
SEQRES   7 B  396  LEU LEU HIS GLY GLY ALA HIS LYS THR ASN GLN VAL LEU          
SEQRES   8 B  396  GLY GLN ALA LEU LEU ALA LYS ARG MET GLY LYS SER GLU          
SEQRES   9 B  396  ILE ILE ALA GLU THR GLY ALA GLY GLN HIS GLY VAL ALA          
SEQRES  10 B  396  SER ALA LEU ALA SER ALA LEU LEU GLY LEU LYS CYS ARG          
SEQRES  11 B  396  ILE TYR MET GLY ALA LYS ASP VAL GLU ARG GLN SER PRO          
SEQRES  12 B  396  ASN VAL PHE ARG MET ARG LEU MET GLY ALA GLU VAL ILE          
SEQRES  13 B  396  PRO VAL HIS SER GLY SER ALA THR LEU LYS ASP ALA CYS          
SEQRES  14 B  396  ASN GLU ALA LEU ARG ASP TRP SER GLY SER TYR GLU THR          
SEQRES  15 B  396  ALA HIS TYR MET LEU GLY THR ALA ALA GLY PRO HIS PRO          
SEQRES  16 B  396  TYR PRO THR ILE VAL ARG GLU PHE GLN ARG MET ILE GLY          
SEQRES  17 B  396  GLU GLU THR LYS ALA GLN ILE LEU ASP LYS GLU GLY ARG          
SEQRES  18 B  396  LEU PRO ASP ALA VAL ILE ALA CYS VAL GLY GLY GLY SER          
SEQRES  19 B  396  ASN ALA ILE GLY MET PHE ALA ASP PHE ILE ASN ASP THR          
SEQRES  20 B  396  SER VAL GLY LEU ILE GLY VAL GLU PRO GLY GLY HIS GLY          
SEQRES  21 B  396  ILE GLU THR GLY GLU HIS GLY ALA PRO LEU LYS HIS GLY          
SEQRES  22 B  396  ARG VAL GLY ILE TYR PHE GLY MET LYS ALA PRO MET MET          
SEQRES  23 B  396  GLN THR ALA ASP GLY GLN ILE GLU GLU SER TYR SER ILE          
SEQRES  24 B  396  SER ALA GLY LEU ASP PHE PRO SER VAL GLY PRO GLN HIS          
SEQRES  25 B  396  ALA TYR LEU ASN SER ILE GLY ARG ALA ASP TYR VAL SER          
SEQRES  26 B  396  ILE THR ASP ASP GLU ALA LEU GLU ALA PHE LYS THR LEU          
SEQRES  27 B  396  CYS ARG HIS GLU GLY ILE ILE PRO ALA LEU GLU SER SER          
SEQRES  28 B  396  HIS ALA LEU ALA HIS ALA LEU LYS MET MET ARG GLU GLN          
SEQRES  29 B  396  PRO GLU LYS GLU GLN LEU LEU VAL VAL ASN LEU SER GLY          
SEQRES  30 B  396  ARG GLY ASP LYS ASP ILE PHE THR VAL HIS ASP ILE LEU          
SEQRES  31 B  396  LYS ALA ARG GLY GLU ILE                                      
HET    G3P  A1268      10                                                       
HET    P1T  B1396      21                                                       
HET     CS  B1397       1                                                       
HET     CS  B1398       1                                                       
HET     CS  B1399       1                                                       
HET    DMS  B1400       4                                                       
HET    DMS  B1401       4                                                       
HET    DMS  B1402       4                                                       
HETNAM     G3P SN-GLYCEROL-3-PHOSPHATE                                          
HETNAM     P1T 2-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)                        
HETNAM   2 P1T  METHYL]PYRIDIN-4-YL}METHYL)AMINO]ACRYLIC ACID                   
HETNAM      CS CESIUM ION                                                       
HETNAM     DMS DIMETHYL SULFOXIDE                                               
FORMUL   3  G3P    C3 H9 O6 P                                                   
FORMUL   4  P1T    C11 H15 N2 O7 P                                              
FORMUL   5   CS    3(CS 1+)                                                     
FORMUL   8  DMS    3(C2 H6 O S)                                                 
FORMUL  11  HOH   *418(H2 O)                                                    
HELIX    1   1 GLU A    2  ARG A   14  1                                  13    
HELIX    2   2 GLY A   29  ALA A   43  1                                  15    
HELIX    3   3 GLY A   61  ALA A   74  1                                  14    
HELIX    4   4 THR A   77  HIS A   92  1                                  16    
HELIX    5   5 TYR A  102  ASN A  108  1                                   7    
HELIX    6   6 GLY A  110  GLY A  122  1                                  13    
HELIX    7   7 PRO A  132  GLU A  135  5                                   4    
HELIX    8   8 SER A  136  HIS A  146  1                                  11    
HELIX    9   9 ASP A  159  GLY A  170  1                                  12    
HELIX   10  10 LEU A  193  TYR A  203  1                                  11    
HELIX   11  11 SER A  216  ALA A  226  1                                  11    
HELIX   12  12 GLY A  234  ASN A  244  1                                  11    
HELIX   13  13 SER A  247  ALA A  265  1                                  19    
HELIX   14  14 PRO B   18  ILE B   20  5                                   3    
HELIX   15  15 LEU B   21  LYS B   37  1                                  17    
HELIX   16  16 ASP B   38  TYR B   52  1                                  15    
HELIX   17  17 GLU B   78  LEU B   81  5                                   4    
HELIX   18  18 LYS B   87  MET B  101  1                                  15    
HELIX   19  19 GLY B  113  GLY B  127  1                                  15    
HELIX   20  20 ALA B  136  GLN B  142  1                                   7    
HELIX   21  21 GLN B  142  MET B  152  1                                  11    
HELIX   22  22 THR B  165  GLY B  179  1                                  15    
HELIX   23  23 PRO B  196  PHE B  204  1                                   9    
HELIX   24  24 ARG B  206  GLY B  221  1                                  16    
HELIX   25  25 GLY B  234  ALA B  242  1                                   9    
HELIX   26  26 ASP B  243  ILE B  245  5                                   3    
HELIX   27  27 ILE B  262  GLY B  265  5                                   4    
HELIX   28  28 ALA B  269  GLY B  274  1                                   6    
HELIX   29  29 SER B  301  ASP B  305  5                                   5    
HELIX   30  30 GLY B  310  ILE B  319  1                                  10    
HELIX   31  31 ASP B  329  GLY B  344  1                                  16    
HELIX   32  32 ALA B  348  GLN B  365  1                                  18    
HELIX   33  33 GLY B  380  LYS B  382  5                                   3    
HELIX   34  34 ASP B  383  ALA B  393  1                                  11    
SHEET    1  AA 9 ALA A 149  ILE A 151  0                                        
SHEET    2  AA 9 SER A 125  VAL A 128  1  O  VAL A 126   N  ILE A 151           
SHEET    3  AA 9 ILE A  97  MET A 101  1  O  LEU A  99   N  LEU A 127           
SHEET    4  AA 9 LEU A  48  GLY A  51  1  O  LEU A  48   N  GLY A  98           
SHEET    5  AA 9 ALA A  18  THR A  24  1  O  PRO A  21   N  GLU A  49           
SHEET    6  AA 9 GLY A 230  SER A 233  1  O  ALA A 231   N  VAL A  20           
SHEET    7  AA 9 ALA A 208  GLY A 211  1  O  GLN A 210   N  ILE A 232           
SHEET    8  AA 9 THR A 174  LEU A 177  1  O  THR A 174   N  LEU A 209           
SHEET    9  AA 9 ILE A 153  CYS A 154  1  O  CYS A 154   N  LEU A 177           
SHEET    1  BA 4 TYR B   8  PHE B   9  0                                        
SHEET    2  BA 4 PHE B  12  TYR B  16 -1  O  PHE B  12   N  PHE B   9           
SHEET    3  BA 4 GLY B 281  MET B 286 -1  O  GLY B 281   N  TYR B  16           
SHEET    4  BA 4 ARG B 275  TYR B 279 -1  O  ARG B 275   N  MET B 286           
SHEET    1  BB 6 LEU B  59  CYS B  62  0                                        
SHEET    2  BB 6 THR B  71  LYS B  76 -1  O  LEU B  73   N  CYS B  62           
SHEET    3  BB 6 GLN B 370  ASN B 375  1  O  GLN B 370   N  THR B  72           
SHEET    4  BB 6 ALA B 226  CYS B 230  1  O  ALA B 226   N  VAL B 373           
SHEET    5  BB 6 GLY B 251  GLY B 259  1  O  GLY B 251   N  VAL B 227           
SHEET    6  BB 6 ALA B 322  THR B 328  1  O  ASP B 323   N  GLY B 254           
SHEET    1  BC 4 GLU B 155  VAL B 159  0                                        
SHEET    2  BC 4 LYS B 129  GLY B 135  1  O  CYS B 130   N  GLU B 155           
SHEET    3  BC 4 GLU B 105  THR B 110  1  O  ILE B 106   N  ARG B 131           
SHEET    4  BC 4 ALA B 184  TYR B 186  1  O  HIS B 185   N  ILE B 107           
LINK         O   GLY B  54                CS    CS B1398     2655   1555  3.66  
LINK         O   GLY B  54                CS    CS B1398     1555   1555  2.67  
LINK         O   PRO B  56                CS    CS B1398     1555   1555  2.95  
LINK         O   PRO B  56                CS    CS B1398     2655   1555  3.46  
LINK         OG1 THR B  66                CS    CS B1399     1555   1555  3.51  
LINK         O   THR B  66                CS    CS B1399     1555   1555  3.08  
LINK         O   THR B  69                CS    CS B1399     1555   1555  3.36  
LINK         O   THR B  71                CS    CS B1399     1555   1555  3.30  
LINK         O   VAL B 231                CS    CS B1397     1555   1555  3.57  
LINK         O   GLY B 232                CS    CS B1397     1555   1555  2.86  
LINK         O   GLY B 268                CS    CS B1397     1555   1555  3.03  
LINK         O   LEU B 304                CS    CS B1397     1555   1555  3.51  
LINK         O   PHE B 306                CS    CS B1397     1555   1555  3.10  
LINK         O   SER B 308                CS    CS B1397     1555   1555  3.19  
LINK        CS    CS B1398                 O   HOH B2055     1555   1555  3.52  
LINK        CS    CS B1398                 O   HOH B2055     1555   2655  3.90  
LINK        CS    CS B1398                 O   HOH B2056     1555   2655  3.90  
LINK        CS    CS B1399                 O   HOH B2036     1555   1555  3.20  
CISPEP   1 ASP A   27    PRO A   28          0         0.19                     
CISPEP   2 ARG B   55    PRO B   56          0         4.12                     
CISPEP   3 HIS B  195    PRO B  196          0        10.87                     
SITE     1 AC1  6 VAL B 231  GLY B 232  GLY B 268  LEU B 304                    
SITE     2 AC1  6 PHE B 306  SER B 308                                          
SITE     1 AC2  3 GLY B  54  PRO B  56  DMS B1400                               
SITE     1 AC3  3 THR B  66  THR B  69  THR B  71                               
SITE     1 AC4 12 PHE A  22  ILE A  64  LEU A 100  TYR A 175                    
SITE     2 AC4 12 THR A 183  GLY A 184  PHE A 212  GLY A 213                    
SITE     3 AC4 12 GLY A 234  SER A 235  HOH A2132  HOH A2140                    
SITE     1 AC5 23 HIS B  86  LYS B  87  THR B 110  GLY B 111                    
SITE     2 AC5 23 ALA B 112  GLY B 113  GLN B 114  HIS B 115                    
SITE     3 AC5 23 LEU B 166  THR B 190  CYS B 230  GLY B 232                    
SITE     4 AC5 23 GLY B 233  GLY B 234  SER B 235  ASN B 236                    
SITE     5 AC5 23 GLY B 303  LEU B 304  GLU B 350  SER B 377                    
SITE     6 AC5 23 GLY B 378  HOH B2174  HOH B2278                               
SITE     1 AC6  5 LYS B  50  ARG B  55  PRO B  56  GLN B 215                    
SITE     2 AC6  5  CS B1398                                                     
SITE     1 AC7  6 SER A 180  GLY B 179  SER B 180  TYR B 181                    
SITE     2 AC7  6 GLU B 182  HOH B2143                                          
SITE     1 AC8  6 HOH A2012  TYR B 133  GLU B 172  ARG B 175                    
SITE     2 AC8  6 ASP B 176  HOH B2140                                          
CRYST1  183.212   59.621   67.389  90.00  94.63  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.005458  0.000000  0.000442        0.00000                         
SCALE2      0.000000  0.016773  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014888        0.00000