HEADER    TRANSFERASE                             04-MAY-99   1QGS              
TITLE     UDP-MAGNESIUM COMPLEX OF SPSA FROM BACILLUS SUBTILIS                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (SPORE COAT POLYSACCHARIDE BIOSYNTHESIS PROTEIN    
COMPND   3 SPSA);                                                               
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: WHOLE MOLECULE;                                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 OTHER_DETAILS: GLYCEROL MAGNESIUM UDP                                
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                              
SOURCE   3 ORGANISM_TAXID: 1423;                                                
SOURCE   4 GENE: SPSA;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL 21                                      
KEYWDS    GLYCOSYLTRANSFERASE, TRANSFERASE                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.CHARNOCK                                                          
REVDAT   6   16-OCT-24 1QGS    1       REMARK                                   
REVDAT   5   16-AUG-23 1QGS    1       REMARK LINK                              
REVDAT   4   13-JUL-11 1QGS    1       VERSN                                    
REVDAT   3   24-FEB-09 1QGS    1       VERSN                                    
REVDAT   2   01-APR-03 1QGS    1       JRNL                                     
REVDAT   1   04-MAY-00 1QGS    0                                                
JRNL        AUTH   S.J.CHARNOCK,G.J.DAVIES                                      
JRNL        TITL   STRUCTURE OF THE NUCLEOTIDE-DIPHOSPHO-SUGAR TRANSFERASE,     
JRNL        TITL 2 SPSA FROM BACILLUS SUBTILIS, IN NATIVE AND                   
JRNL        TITL 3 NUCLEOTIDE-COMPLEXED FORMS.                                  
JRNL        REF    BIOCHEMISTRY                  V.  38  6380 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10350455                                                     
JRNL        DOI    10.1021/BI990270Y                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 18262                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 916                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1968                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 33                                      
REMARK   3   SOLVENT ATOMS            : 191                                     
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.011 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.032 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.032 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.010 ; 0.040               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.125 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.184 ; 0.300               
REMARK   3    MULTIPLE TORSION                (A) : 0.250 ; 0.300               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 4.000 ; 7.000               
REMARK   3    STAGGERED                 (DEGREES) : 14.600; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 26.700; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.650 ; 4.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.500 ; 6.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.900 ; 4.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.100 ; 6.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1QGS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAY-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000997.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-SEP-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX7.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.488                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18368                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.05800                            
REMARK 200  R SYM                      (I) : 0.05800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.32000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.600                              
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: 1QG8                                                 
REMARK 200                                                                      
REMARK 200 REMARK: ISOMORPHOUS WITH NATIVE                                      
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       40.71950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       40.71950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       23.71000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       70.99850            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       23.71000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       70.99850            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       40.71950            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       23.71000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       70.99850            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       40.71950            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       23.71000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       70.99850            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLU A   134                                                      
REMARK 465     ASN A   135                                                      
REMARK 465     ARG A   136                                                      
REMARK 465     ASP A   218                                                      
REMARK 465     GLN A   219                                                      
REMARK 465     SER A   220                                                      
REMARK 465     ILE A   221                                                      
REMARK 465     HIS A   222                                                      
REMARK 465     PHE A   223                                                      
REMARK 465     GLN A   224                                                      
REMARK 465     LEU A   225                                                      
REMARK 465     PHE A   226                                                      
REMARK 465     GLU A   227                                                      
REMARK 465     LEU A   228                                                      
REMARK 465     GLU A   229                                                      
REMARK 465     LYS A   230                                                      
REMARK 465     ASN A   231                                                      
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   NZ   LYS A   128     OH   TYR A   130              1.94            
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   O    HOH A   356     O    HOH A   401     3655     2.16            
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    TYR A  11   CB  -  CG  -  CD2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ASP A  31   CB  -  CG  -  OD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    ARG A  59   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.8 DEGREES          
REMARK 500    ARG A  71   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    TYR A 102   CB  -  CG  -  CD2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    TYR A 102   CB  -  CG  -  CD1 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    ARG A 106   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500    ARG A 144   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG A 144   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    ARG A 188   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ASP A 208   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    LEU A 213   CA  -  CB  -  CG  ANGL. DEV. =  22.0 DEGREES          
REMARK 500    SER A 249   N   -  CA  -  CB  ANGL. DEV. =  12.0 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    LYS A  13       60.94   -119.53                                   
REMARK 500    ASP A  39       47.66    -96.46                                   
REMARK 500    TYR A 179      -79.16    -87.92                                   
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 302  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  99   OD2                                                    
REMARK 620 2 UDP A 311   O3B 149.2                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 301  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GOL A 310   O2                                                     
REMARK 620 2 UDP A 311   O1B 156.8                                              
REMARK 620 3 HOH A 312   O    94.6  96.1                                        
REMARK 620 4 HOH A 313   O    85.9  76.4  77.4                                  
REMARK 620 5 HOH A 314   O    92.5 106.2  98.5 175.4                            
REMARK 620 6 HOH A 321   O    85.6  81.4 173.2  95.9  88.3                      
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 A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UDP A 311                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 310                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QG8   RELATED DB: PDB                                   
REMARK 900 NATIVE SPSA FROM BACILLUS SUBTILIS (GLYCEROL MAGNESIUM)              
REMARK 900 RELATED ID: 1QGQ   RELATED DB: PDB                                   
REMARK 900 UDP-MANGANESE COMPLEX OF SPSA FROM BACILLUS SUBTILIS (GLYCEROL       
REMARK 900 MAGNESIUM MANGANESE UDP)                                             
DBREF  1QGS A    2   256  UNP    P39621   SPSA_BACSU       2    256             
SEQRES   1 A  255  PRO LYS VAL SER VAL ILE MET THR SER TYR ASN LYS SER          
SEQRES   2 A  255  ASP TYR VAL ALA LYS SER ILE SER SER ILE LEU SER GLN          
SEQRES   3 A  255  THR PHE SER ASP PHE GLU LEU PHE ILE MET ASP ASP ASN          
SEQRES   4 A  255  SER ASN GLU GLU THR LEU ASN VAL ILE ARG PRO PHE LEU          
SEQRES   5 A  255  ASN ASP ASN ARG VAL ARG PHE TYR GLN SER ASP ILE SER          
SEQRES   6 A  255  GLY VAL LYS GLU ARG THR GLU LYS THR ARG TYR ALA ALA          
SEQRES   7 A  255  LEU ILE ASN GLN ALA ILE GLU MET ALA GLU GLY GLU TYR          
SEQRES   8 A  255  ILE THR TYR ALA THR ASP ASP ASN ILE TYR MET PRO ASP          
SEQRES   9 A  255  ARG LEU LEU LYS MET VAL ARG GLU LEU ASP THR HIS PRO          
SEQRES  10 A  255  GLU LYS ALA VAL ILE TYR SER ALA SER LYS THR TYR HIS          
SEQRES  11 A  255  LEU ASN GLU ASN ARG ASP ILE VAL LYS GLU THR VAL ARG          
SEQRES  12 A  255  PRO ALA ALA GLN VAL THR TRP ASN ALA PRO CYS ALA ILE          
SEQRES  13 A  255  ASP HIS CYS SER VAL MET HIS ARG TYR SER VAL LEU GLU          
SEQRES  14 A  255  LYS VAL LYS GLU LYS PHE GLY SER TYR TRP ASP GLU SER          
SEQRES  15 A  255  PRO ALA PHE TYR ARG ILE GLY ASP ALA ARG PHE PHE TRP          
SEQRES  16 A  255  ARG VAL ASN HIS PHE TYR PRO PHE TYR PRO LEU ASP GLU          
SEQRES  17 A  255  GLU LEU ASP LEU ASN TYR ILE THR ASP GLN SER ILE HIS          
SEQRES  18 A  255  PHE GLN LEU PHE GLU LEU GLU LYS ASN GLU PHE VAL ARG          
SEQRES  19 A  255  ASN LEU PRO PRO GLN ARG ASN CYS ARG GLU LEU ARG GLU          
SEQRES  20 A  255  SER LEU LYS LYS LEU GLY MET GLY                              
HET     MG  A 301       1                                                       
HET     MG  A 302       1                                                       
HET    UDP  A 311      25                                                       
HET    GOL  A 310       6                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     UDP URIDINE-5'-DIPHOSPHATE                                           
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2   MG    2(MG 2+)                                                     
FORMUL   4  UDP    C9 H14 N2 O12 P2                                             
FORMUL   5  GOL    C3 H8 O3                                                     
FORMUL   6  HOH   *191(H2 O)                                                    
HELIX    1   1 VAL A   17  LEU A   25  1                                   9    
HELIX    2   2 GLU A   43  ASN A   54  1                                  12    
HELIX    3   3 VAL A   68  GLU A   73  1                                   6    
HELIX    4   4 ARG A   76  MET A   87  1                                  12    
HELIX    5   5 ARG A  106  THR A  116  1                                  11    
HELIX    6   6 HIS A  159  SER A  161  5                                   3    
HELIX    7   7 TYR A  166  PHE A  176  1                                  11    
HELIX    8   8 PRO A  184  PHE A  186  5                                   3    
HELIX    9   9 GLY A  190  HIS A  200  1                                  11    
HELIX   10  10 PHE A  233  ASN A  236  1                                   4    
HELIX   11  11 CYS A  243  LEU A  253  1                                  11    
SHEET    1   A 7 TYR A 205  GLU A 210  0                                        
SHEET    2   A 7 VAL A 122  ALA A 126  1  N  TYR A 124   O  TYR A 205           
SHEET    3   A 7 VAL A 162  ARG A 165 -1  N  MET A 163   O  ILE A 123           
SHEET    4   A 7 TYR A  92  THR A  97 -1  N  ILE A  93   O  HIS A 164           
SHEET    5   A 7 VAL A   4  SER A  10  1  N  SER A   5   O  TYR A  92           
SHEET    6   A 7 PHE A  32  ASP A  38  1  N  GLU A  33   O  VAL A   4           
SHEET    7   A 7 VAL A  58  GLN A  62  1  N  ARG A  59   O  LEU A  34           
SHEET    1   B 4 ASN A 100  TYR A 102  0                                        
SHEET    2   B 4 ASP A 212  ILE A 216 -1  N  LEU A 213   O  ILE A 101           
SHEET    3   B 4 SER A 127  HIS A 131  1  N  LYS A 128   O  ASP A 212           
SHEET    4   B 4 LYS A 140  ARG A 144 -1  N  ARG A 144   O  SER A 127           
SSBOND   1 CYS A  155    CYS A  243                          1555   1555  2.05  
LINK         OD2 ASP A  99                MG    MG A 302     1555   1555  2.60  
LINK        MG    MG A 301                 O2  GOL A 310     1555   1555  2.13  
LINK        MG    MG A 301                 O1B UDP A 311     1555   1555  2.64  
LINK        MG    MG A 301                 O   HOH A 312     1555   1555  2.03  
LINK        MG    MG A 301                 O   HOH A 313     1555   1555  1.89  
LINK        MG    MG A 301                 O   HOH A 314     1555   1555  1.97  
LINK        MG    MG A 301                 O   HOH A 321     1555   1555  2.33  
LINK        MG    MG A 302                 O3B UDP A 311     1555   1555  2.34  
SITE     1 AC1  6 GOL A 310  UDP A 311  HOH A 312  HOH A 313                    
SITE     2 AC1  6 HOH A 314  HOH A 321                                          
SITE     1 AC2  2 ASP A  99  UDP A 311                                          
SITE     1 AC3 17 THR A   9  SER A  10  TYR A  11  LYS A  13                    
SITE     2 AC3 17 ASP A  39  ARG A  71  ARG A  76  TYR A  77                    
SITE     3 AC3 17 LEU A  80  THR A  97  ASP A  98   MG A 301                    
SITE     4 AC3 17  MG A 302  HOH A 313  HOH A 409  HOH A 415                    
SITE     5 AC3 17 HOH A 499                                                     
SITE     1 AC4  9 ASP A 158  ASP A 191  ALA A 192   MG A 301                    
SITE     2 AC4  9 HOH A 312  HOH A 313  HOH A 314  HOH A 319                    
SITE     3 AC4  9 HOH A 321                                                     
CRYST1   47.420  141.997   81.439  90.00  90.00  90.00 C 2 2 21      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      0.021088  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007042  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012279        0.00000