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Database: PDB
Entry: 1KW1
LinkDB: 1KW1
Original site: 1KW1 
HEADER    LYASE                                   28-JAN-02   1KW1              
TITLE     CRYSTAL STRUCTURE OF 3-KETO-L-GULONATE 6-PHOSPHATE DECARBOXYLASE WITH 
TITLE    2 BOUND L-GULONATE 6-PHOSPHATE                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 3-KETO-L-GULONATE 6-PHOSPHATE DECARBOXYLASE;               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: HEXULOSE-6-PHOSPHATE SYNTHASE; HUMPS; D-ARABINO 3-HEXULOSE  
COMPND   5 6-PHOSPHATE FORMALDEHYDE LYASE;                                      
COMPND   6 EC: 4.1.2.-;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)                                  
KEYWDS    BETA/ALPHA-BARREL, LYASE                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.WISE,W.S.YEW,P.C.BABBITT,J.A.GERLT,I.RAYMENT                        
REVDAT   3   16-AUG-23 1KW1    1       REMARK LINK                              
REVDAT   2   24-FEB-09 1KW1    1       VERSN                                    
REVDAT   1   15-APR-02 1KW1    0                                                
JRNL        AUTH   E.WISE,W.S.YEW,P.C.BABBITT,J.A.GERLT,I.RAYMENT               
JRNL        TITL   HOMOLOGOUS (BETA/ALPHA)8-BARREL ENZYMES THAT CATALYZE        
JRNL        TITL 2 UNRELATED REACTIONS: OROTIDINE 5'-MONOPHOSPHATE              
JRNL        TITL 3 DECARBOXYLASE AND 3-KETO-L-GULONATE 6-PHOSPHATE              
JRNL        TITL 4 DECARBOXYLASE.                                               
JRNL        REF    BIOCHEMISTRY                  V.  41  3861 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11900527                                                     
JRNL        DOI    10.1021/BI012174E                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 88.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 21499                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1053                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3278                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 36                                      
REMARK   3   SOLVENT ATOMS            : 193                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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 : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KW1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-FEB-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015392.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-MAY-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 274                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GOBEL MIRRORS                      
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS HI-STAR                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : FRMABO                             
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32215                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.03000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.7000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 80.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.09000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1KV8                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 18% MEPEG 5000, 50 MM BIS-TRIS           
REMARK 280  PROPANE, PH 7.0, 25 MM L-GULONATE 6-PHOSPHATE. MICRO-BATCH AT       
REMARK 280  298K, MICROBATCH                                                    
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       61.98900            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.03550            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       61.98900            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       21.03550            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16150 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.0 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11290 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 29960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -135.0 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      123.97800            
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     SER A     2                                                      
REMARK 465     GLY A   216                                                      
REMARK 465     MET B     1                                                      
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     SER B   2    OG                                                  
REMARK 470     GLU B 120    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 150    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   667     O    HOH A   667     2655     2.16            
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    ASP A  11       52.59    -99.41                                   
REMARK 500    ASP B  11       56.26    -90.56                                   
REMARK 500    ASN B  80       25.06     80.54                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 602  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  33   OE2                                                    
REMARK 620 2 ASP A  62   OD2 103.0                                              
REMARK 620 3 LG6 A 502   O3  148.0 100.6                                        
REMARK 620 4 LG6 A 502   O4   88.8 163.0  64.2                                  
REMARK 620 5 HOH A 681   O    96.8 106.8  96.9  83.5                            
REMARK 620 6 HOH A 682   O    76.1  93.2  81.2  77.6 159.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 601  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  33   OE2                                                    
REMARK 620 2 ASP B  62   OD2  99.7                                              
REMARK 620 3 LG6 B 501   O3  156.4 102.2                                        
REMARK 620 4 LG6 B 501   O4   94.0 166.2  64.0                                  
REMARK 620 5 HOH B 710   O    92.3  91.7  95.7  89.6                            
REMARK 620 6 HOH B 711   O    83.9 100.2  83.7  79.3 167.9                      
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 MG B 601                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 602                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LG6 B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LG6 A 502                 
DBREF  1KW1 A    1   216  UNP    P39304   SGAH_ECOLI       1    216             
DBREF  1KW1 B    1   216  UNP    P39304   SGAH_ECOLI       1    216             
SEQRES   1 A  216  MET SER LEU PRO MET LEU GLN VAL ALA LEU ASP ASN GLN          
SEQRES   2 A  216  THR MET ASP SER ALA TYR GLU THR THR ARG LEU ILE ALA          
SEQRES   3 A  216  GLU GLU VAL ASP ILE ILE GLU VAL GLY THR ILE LEU CYS          
SEQRES   4 A  216  VAL GLY GLU GLY VAL ARG ALA VAL ARG ASP LEU LYS ALA          
SEQRES   5 A  216  LEU TYR PRO HIS LYS ILE VAL LEU ALA ASP ALA LYS ILE          
SEQRES   6 A  216  ALA ASP ALA GLY LYS ILE LEU SER ARG MET CYS PHE GLU          
SEQRES   7 A  216  ALA ASN ALA ASP TRP VAL THR VAL ILE CYS CYS ALA ASP          
SEQRES   8 A  216  ILE ASN THR ALA LYS GLY ALA LEU ASP VAL ALA LYS GLU          
SEQRES   9 A  216  PHE ASN GLY ASP VAL GLN ILE GLU LEU THR GLY TYR TRP          
SEQRES  10 A  216  THR TRP GLU GLN ALA GLN GLN TRP ARG ASP ALA GLY ILE          
SEQRES  11 A  216  GLY GLN VAL VAL TYR HIS ARG SER ARG ASP ALA GLN ALA          
SEQRES  12 A  216  ALA GLY VAL ALA TRP GLY GLU ALA ASP ILE THR ALA ILE          
SEQRES  13 A  216  LYS ARG LEU SER ASP MET GLY PHE LYS VAL THR VAL THR          
SEQRES  14 A  216  GLY GLY LEU ALA LEU GLU ASP LEU PRO LEU PHE LYS GLY          
SEQRES  15 A  216  ILE PRO ILE HIS VAL PHE ILE ALA GLY ARG SER ILE ARG          
SEQRES  16 A  216  ASP ALA ALA SER PRO VAL GLU ALA ALA ARG GLN PHE LYS          
SEQRES  17 A  216  ARG SER ILE ALA GLU LEU TRP GLY                              
SEQRES   1 B  216  MET SER LEU PRO MET LEU GLN VAL ALA LEU ASP ASN GLN          
SEQRES   2 B  216  THR MET ASP SER ALA TYR GLU THR THR ARG LEU ILE ALA          
SEQRES   3 B  216  GLU GLU VAL ASP ILE ILE GLU VAL GLY THR ILE LEU CYS          
SEQRES   4 B  216  VAL GLY GLU GLY VAL ARG ALA VAL ARG ASP LEU LYS ALA          
SEQRES   5 B  216  LEU TYR PRO HIS LYS ILE VAL LEU ALA ASP ALA LYS ILE          
SEQRES   6 B  216  ALA ASP ALA GLY LYS ILE LEU SER ARG MET CYS PHE GLU          
SEQRES   7 B  216  ALA ASN ALA ASP TRP VAL THR VAL ILE CYS CYS ALA ASP          
SEQRES   8 B  216  ILE ASN THR ALA LYS GLY ALA LEU ASP VAL ALA LYS GLU          
SEQRES   9 B  216  PHE ASN GLY ASP VAL GLN ILE GLU LEU THR GLY TYR TRP          
SEQRES  10 B  216  THR TRP GLU GLN ALA GLN GLN TRP ARG ASP ALA GLY ILE          
SEQRES  11 B  216  GLY GLN VAL VAL TYR HIS ARG SER ARG ASP ALA GLN ALA          
SEQRES  12 B  216  ALA GLY VAL ALA TRP GLY GLU ALA ASP ILE THR ALA ILE          
SEQRES  13 B  216  LYS ARG LEU SER ASP MET GLY PHE LYS VAL THR VAL THR          
SEQRES  14 B  216  GLY GLY LEU ALA LEU GLU ASP LEU PRO LEU PHE LYS GLY          
SEQRES  15 B  216  ILE PRO ILE HIS VAL PHE ILE ALA GLY ARG SER ILE ARG          
SEQRES  16 B  216  ASP ALA ALA SER PRO VAL GLU ALA ALA ARG GLN PHE LYS          
SEQRES  17 B  216  ARG SER ILE ALA GLU LEU TRP GLY                              
HET     MG  A 602       1                                                       
HET    LG6  A 502      17                                                       
HET     MG  B 601       1                                                       
HET    LG6  B 501      17                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     LG6 L-GULURONIC ACID 6-PHOSPHATE                                     
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4  LG6    2(C6 H13 O10 P)                                              
FORMUL   7  HOH   *193(H2 O)                                                    
HELIX    1   1 THR A   14  ALA A   26  1                                  13    
HELIX    2   2 GLU A   27  VAL A   29  5                                   3    
HELIX    3   3 GLY A   35  GLY A   43  1                                   9    
HELIX    4   4 VAL A   44  TYR A   54  1                                  11    
HELIX    5   5 ALA A   68  ALA A   79  1                                  12    
HELIX    6   6 ASP A   91  PHE A  105  1                                  15    
HELIX    7   7 THR A  118  GLY A  129  1                                  12    
HELIX    8   8 SER A  138  ALA A  144  1                                   7    
HELIX    9   9 GLY A  149  MET A  162  1                                  14    
HELIX   10  10 ALA A  173  LYS A  181  5                                   9    
HELIX   11  11 GLY A  191  ASP A  196  1                                   6    
HELIX   12  12 SER A  199  TRP A  215  1                                  17    
HELIX   13  13 THR B   14  ALA B   26  1                                  13    
HELIX   14  14 GLY B   35  GLY B   43  1                                   9    
HELIX   15  15 VAL B   44  TYR B   54  1                                  11    
HELIX   16  16 ALA B   68  ALA B   79  1                                  12    
HELIX   17  17 ASP B   91  PHE B  105  1                                  15    
HELIX   18  18 THR B  118  GLY B  129  1                                  12    
HELIX   19  19 SER B  138  ALA B  144  1                                   7    
HELIX   20  20 GLY B  149  MET B  162  1                                  14    
HELIX   21  21 ALA B  173  LYS B  181  5                                   9    
HELIX   22  22 GLY B  191  ASP B  196  1                                   6    
HELIX   23  23 SER B  199  GLY B  216  1                                  18    
SHEET    1   A 9 MET A   5  LEU A  10  0                                        
SHEET    2   A 9 ILE A  31  VAL A  34  1  O  ILE A  31   N  VAL A   8           
SHEET    3   A 9 ILE A  58  ILE A  65  1  O  LEU A  60   N  VAL A  34           
SHEET    4   A 9 TRP A  83  ILE A  87  1  O  TRP A  83   N  ALA A  61           
SHEET    5   A 9 ASP A 108  LEU A 113  1  O  GLU A 112   N  VAL A  86           
SHEET    6   A 9 GLN A 132  HIS A 136  1  O  VAL A 134   N  ILE A 111           
SHEET    7   A 9 LYS A 165  THR A 169  1  O  THR A 167   N  TYR A 135           
SHEET    8   A 9 VAL A 187  ALA A 190  1  O  VAL A 187   N  VAL A 168           
SHEET    9   A 9 MET A   5  LEU A  10  1  N  GLN A   7   O  PHE A 188           
SHEET    1   B 9 MET B   5  LEU B  10  0                                        
SHEET    2   B 9 ILE B  31  VAL B  34  1  O  GLU B  33   N  VAL B   8           
SHEET    3   B 9 ILE B  58  ILE B  65  1  O  LEU B  60   N  VAL B  34           
SHEET    4   B 9 TRP B  83  ILE B  87  1  O  TRP B  83   N  ALA B  61           
SHEET    5   B 9 ASP B 108  LEU B 113  1  O  GLU B 112   N  VAL B  86           
SHEET    6   B 9 GLN B 132  HIS B 136  1  O  GLN B 132   N  ILE B 111           
SHEET    7   B 9 LYS B 165  THR B 169  1  O  THR B 167   N  TYR B 135           
SHEET    8   B 9 VAL B 187  ALA B 190  1  O  VAL B 187   N  VAL B 168           
SHEET    9   B 9 MET B   5  LEU B  10  1  N  MET B   5   O  PHE B 188           
LINK         OE2 GLU A  33                MG    MG A 602     1555   1555  2.41  
LINK         OD2 ASP A  62                MG    MG A 602     1555   1555  2.15  
LINK         O3  LG6 A 502                MG    MG A 602     1555   1555  2.56  
LINK         O4  LG6 A 502                MG    MG A 602     1555   1555  2.56  
LINK        MG    MG A 602                 O   HOH A 681     1555   1555  2.36  
LINK        MG    MG A 602                 O   HOH A 682     1555   1555  2.55  
LINK         OE2 GLU B  33                MG    MG B 601     1555   1555  2.42  
LINK         OD2 ASP B  62                MG    MG B 601     1555   1555  2.23  
LINK         O3  LG6 B 501                MG    MG B 601     1555   1555  2.50  
LINK         O4  LG6 B 501                MG    MG B 601     1555   1555  2.52  
LINK        MG    MG B 601                 O   HOH B 710     1555   1555  2.36  
LINK        MG    MG B 601                 O   HOH B 711     1555   1555  2.41  
SITE     1 AC1  5 GLU B  33  ASP B  62  LG6 B 501  HOH B 710                    
SITE     2 AC1  5 HOH B 711                                                     
SITE     1 AC2  5 GLU A  33  ASP A  62  LG6 A 502  HOH A 681                    
SITE     2 AC2  5 HOH A 682                                                     
SITE     1 AC3 20 ASP A  67  ALA B   9  ASP B  11  GLU B  33                    
SITE     2 AC3 20 THR B  36  ASP B  62  LYS B  64  HIS B 136                    
SITE     3 AC3 20 THR B 169  GLY B 171  GLY B 191  ARG B 192                    
SITE     4 AC3 20  MG B 601  HOH B 603  HOH B 614  HOH B 616                    
SITE     5 AC3 20 HOH B 693  HOH B 710  HOH B 711  HOH B 712                    
SITE     1 AC4 20 ALA A   9  ASP A  11  GLU A  33  THR A  36                    
SITE     2 AC4 20 ASP A  62  LYS A  64  HIS A 136  THR A 169                    
SITE     3 AC4 20 GLY A 171  GLY A 191  ARG A 192   MG A 602                    
SITE     4 AC4 20 HOH A 604  HOH A 609  HOH A 613  HOH A 627                    
SITE     5 AC4 20 HOH A 630  HOH A 681  HOH A 682  ASP B  67                    
CRYST1  123.978   42.071   91.837  90.00  97.00  90.00 C 1 2 1       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008066  0.000000  0.000990        0.00000                         
SCALE2      0.000000  0.023769  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010971        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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