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Database: PDB
Entry: 1SO4
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Original site: 1SO4 
HEADER    LYASE                                   12-MAR-04   1SO4              
TITLE     CRYSTAL STRUCTURE OF K64A MUTANT OF 3-KETO-L-GULONATE 6-PHOSPHATE     
TITLE    2 DECARBOXYLASE WITH BOUND L-THREONOHYDROXAMATE 4-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;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: ULAD;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    TIM BARREL; BETA BARREL, LYASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.L.WISE,W.S.YEW,J.A.GERLT,I.RAYMENT                                  
REVDAT   3   27-OCT-21 1SO4    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1SO4    1       VERSN                                    
REVDAT   1   08-JUN-04 1SO4    0                                                
JRNL        AUTH   E.L.WISE,W.S.YEW,J.A.GERLT,I.RAYMENT                         
JRNL        TITL   EVOLUTION OF ENZYMATIC ACTIVITIES IN THE OROTIDINE           
JRNL        TITL 2 5'-MONOPHOSPHATE DECARBOXYLASE SUPRAFAMILY: CRYSTALLOGRAPHIC 
JRNL        TITL 3 EVIDENCE FOR A PROTON RELAY SYSTEM IN THE ACTIVE SITE OF     
JRNL        TITL 4 3-KETO-L-GULONATE 6-PHOSPHATE DECARBOXYLASE(,)               
JRNL        REF    BIOCHEMISTRY                  V.  43  6438 2004              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15157078                                                     
JRNL        DOI    10.1021/BI0497392                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.19                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 91.29                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 49331                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.164                           
REMARK   3   R VALUE            (WORKING SET) : 0.162                           
REMARK   3   FREE R VALUE                     : 0.205                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3135                            
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   REFLECTION IN BIN     (WORKING SET) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE SET COUNT          : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3264                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 563                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.02                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.01000                                             
REMARK   3    B22 (A**2) : 1.59000                                              
REMARK   3    B33 (A**2) : -0.52000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.24000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.078         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.085         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.059         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.714         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.972                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.955                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3352 ; 0.017 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  3118 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4554 ; 1.610 ; 1.944       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  7198 ; 1.413 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   426 ; 6.197 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   527 ; 0.101 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3749 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   677 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   744 ; 0.228 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3802 ; 0.251 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2051 ; 0.085 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   393 ; 0.182 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     9 ; 0.226 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    65 ; 0.296 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    32 ; 0.147 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2119 ; 0.936 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3384 ; 1.606 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1233 ; 2.561 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1170 ; 4.046 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1SO4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAR-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000021866.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.961                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 62079                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.575                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 91.290                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 16% PEG 5000 METHYL ETHER, 100 MM BTP    
REMARK 280  PH 7.0, 5 MM MGCL2, MICROBATCH, TEMPERATURE 293K                    
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       61.48800            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       20.95000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       61.48800            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       20.95000            
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: 4400 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -39.0 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: 11120 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 29450 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 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      122.97600            
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A2443  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     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     GLU A 213    CG   CD   OE1  OE2                                  
REMARK 470     SER B   2    OG                                                  
REMARK 470     TYR B 116    OH                                                  
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 IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B  2433     O    HOH B  2563              1.93            
REMARK 500   N    SER B     2     O    HOH B  2558              1.96            
REMARK 500   O    HOH B  2522     O    HOH B  2562              2.06            
REMARK 500   OD1  ASP B   100     O    HOH B  2538              2.08            
REMARK 500   OE2  GLU B    27     O    HOH B  2557              2.09            
REMARK 500   O    HOH A  2451     O    HOH A  2575              2.16            
REMARK 500   O    HOH A  2340     O    HOH A  2577              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  23   NE  -  CZ  -  NH1 ANGL. DEV. =   4.7 DEGREES          
REMARK 500    ARG A  23   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP A  30   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP B  82   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 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    ASP B  11       58.29    -95.41                                   
REMARK 500    ASN B  80       20.49     80.75                                   
REMARK 500    TYR B 116       49.29    -95.46                                   
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 A2300  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  33   OE2                                                    
REMARK 620 2 ASP A  62   OD2  98.1                                              
REMARK 620 3 TX4 A1301   O1  169.7  91.7                                        
REMARK 620 4 TX4 A1301   O2   91.0 170.9  79.2                                  
REMARK 620 5 HOH A2576   O    85.1  93.4  91.2  86.8                            
REMARK 620 6 HOH A2587   O    94.3  90.5  88.8  89.4 176.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B1300  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  33   OE2                                                    
REMARK 620 2 ASP B  62   OD2  95.8                                              
REMARK 620 3 TX4 B2301   O1  171.6  92.5                                        
REMARK 620 4 TX4 B2301   O2   92.9 171.2  78.7                                  
REMARK 620 5 HOH B2556   O    92.1  88.7  88.9  90.0                            
REMARK 620 6 HOH B2569   O    88.8  93.5  89.9  87.6 177.5                      
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 1300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TX4 A 1301                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TX4 B 2301                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1Q6L   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1Q6O   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1Q6Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1Q6R   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1SO3   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1SO5   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1SO6   RELATED DB: PDB                                   
DBREF  1SO4 A    1   216  UNP    P39304   SGAH_ECOLI       1    216             
DBREF  1SO4 B    1   216  UNP    P39304   SGAH_ECOLI       1    216             
SEQADV 1SO4 ALA A   64  UNP  P39304    LYS    64 ENGINEERED MUTATION            
SEQADV 1SO4 ALA B   64  UNP  P39304    LYS    64 ENGINEERED MUTATION            
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 ALA 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 ALA 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  A2300       1                                                       
HET    TX4  A1301      14                                                       
HET     MG  B1300       1                                                       
HET    TX4  B2301      14                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     TX4 L-THREONOHYDROXAMATE 4-PHOSPHATE                                 
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4  TX4    2(C4 H12 N O8 P)                                             
FORMUL   7  HOH   *563(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  ALA A  128  1                                  11    
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 GLU B   27  VAL B   29  5                                   3    
HELIX   15  15 GLY B   35  GLY B   43  1                                   9    
HELIX   16  16 VAL B   44  TYR B   54  1                                  11    
HELIX   17  17 ALA B   68  ALA B   79  1                                  12    
HELIX   18  18 ASP B   91  PHE B  105  1                                  15    
HELIX   19  19 THR B  118  GLY B  129  1                                  12    
HELIX   20  20 SER B  138  ALA B  144  1                                   7    
HELIX   21  21 GLY B  149  MET B  162  1                                  14    
HELIX   22  22 ALA B  173  LYS B  181  5                                   9    
HELIX   23  23 GLY B  191  ASP B  196  1                                   6    
HELIX   24  24 SER B  199  TRP B  215  1                                  17    
SHEET    1   A 9 MET A   5  LEU A  10  0                                        
SHEET    2   A 9 ILE A  31  VAL A  34  1  O  GLU A  33   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  LEU A 113           
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  MET A   5   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  VAL B 134   N  LEU B 113           
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  GLN B   7   O  ALA B 190           
SSBOND   1 CYS A   89    CYS B   89                          1555   1555  2.04  
LINK         OE2 GLU A  33                MG    MG A2300     1555   1555  2.03  
LINK         OD2 ASP A  62                MG    MG A2300     1555   1555  2.04  
LINK         O1  TX4 A1301                MG    MG A2300     1555   1555  2.04  
LINK         O2  TX4 A1301                MG    MG A2300     1555   1555  2.11  
LINK        MG    MG A2300                 O   HOH A2576     1555   1555  2.19  
LINK        MG    MG A2300                 O   HOH A2587     1555   1555  2.04  
LINK         OE2 GLU B  33                MG    MG B1300     1555   1555  2.01  
LINK         OD2 ASP B  62                MG    MG B1300     1555   1555  2.04  
LINK        MG    MG B1300                 O1  TX4 B2301     1555   1555  2.00  
LINK        MG    MG B1300                 O2  TX4 B2301     1555   1555  2.13  
LINK        MG    MG B1300                 O   HOH B2556     1555   1555  2.17  
LINK        MG    MG B1300                 O   HOH B2569     1555   1555  2.07  
SITE     1 AC1  5 GLU B  33  ASP B  62  TX4 B2301  HOH B2556                    
SITE     2 AC1  5 HOH B2569                                                     
SITE     1 AC2  5 GLU A  33  ASP A  62  TX4 A1301  HOH A2576                    
SITE     2 AC2  5 HOH A2587                                                     
SITE     1 AC3 18 ALA A   9  ASP A  11  GLU A  33  ASP A  62                    
SITE     2 AC3 18 HIS A 136  THR A 169  GLY A 171  GLY A 191                    
SITE     3 AC3 18 ARG A 192   MG A2300  HOH A2307  HOH A2313                    
SITE     4 AC3 18 HOH A2337  HOH A2391  HOH A2464  HOH A2576                    
SITE     5 AC3 18 HOH A2587  ASP B  67                                          
SITE     1 AC4 20 ASP A  67  ALA B   9  ASP B  11  GLU B  33                    
SITE     2 AC4 20 ASP B  62  HIS B 136  THR B 169  GLY B 171                    
SITE     3 AC4 20 GLY B 191  ARG B 192   MG B1300  HOH B2302                    
SITE     4 AC4 20 HOH B2303  HOH B2329  HOH B2343  HOH B2345                    
SITE     5 AC4 20 HOH B2437  HOH B2489  HOH B2556  HOH B2569                    
CRYST1  122.976   41.900   91.322  90.00  96.92  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      0.008132  0.000000  0.000987        0.00000                         
SCALE2      0.000000  0.023866  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011031        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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