HEADER    SIGNAL TRANSDUCTION PROTEIN             12-JUN-98   1BH2              
TITLE     A326S MUTANT OF AN INHIBITORY ALPHA SUBUNIT                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN;                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: GI-ALPHA-1;                                                 
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 CELL_LINE: BL21;                                                     
SOURCE   6 ORGAN: BRAIN;                                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PQE6/GIA1                                 
KEYWDS    SIGNAL TRANSDUCTION PROTEIN                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.B.MIXON,B.A.POSNER,M.A.WALL,A.G.GILMAN,S.R.SPRANG                   
REVDAT   5   22-MAY-24 1BH2    1       REMARK                                   
REVDAT   4   02-AUG-23 1BH2    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 1BH2    1       VERSN                                    
REVDAT   2   25-NOV-98 1BH2    1       COMPND REMARK SEQADV                     
REVDAT   1   04-NOV-98 1BH2    0                                                
JRNL        AUTH   B.A.POSNER,M.B.MIXON,M.A.WALL,S.R.SPRANG,A.G.GILMAN          
JRNL        TITL   THE A326S MUTANT OF GIALPHA1 AS AN APPROXIMATION OF THE      
JRNL        TITL 2 RECEPTOR-BOUND STATE.                                        
JRNL        REF    J.BIOL.CHEM.                  V. 273 21752 1998              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   9705312                                                      
JRNL        DOI    10.1074/JBC.273.34.21752                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.00                          
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)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : ALL BUT LAST ROUND              
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.250                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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            : 2537                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 33                                      
REMARK   3   SOLVENT ATOMS            : 116                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.91                          
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.397                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.226                           
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  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 1BH2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171748.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : DEC-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : A1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.918                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20438                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.4                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.15                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.17600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1GIA                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 0.1M       
REMARK 280  SODIUM ACETATE, PH 6.0, 2.0-2.1 M AMMONIUM SULFITE                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       70.37067            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       35.18533            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       35.18533            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       70.37067            
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 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  180   CG   CD   CE   NZ                                   
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    GLU A  58     -149.20   -123.21                                   
REMARK 500    ASP A 193       -5.06     77.15                                   
REMARK 500    PHE A 215       -7.89    -57.30                                   
REMARK 500    ASP A 237      119.34   -172.47                                   
REMARK 500    LYS A 345      -73.32    -58.40                                   
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 357  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A  47   OG                                                     
REMARK 620 2 THR A 181   OG1  87.4                                              
REMARK 620 3 GSP A 355   O2G 172.4  87.3                                        
REMARK 620 4 GSP A 355   O2B  90.2 177.2  95.2                                  
REMARK 620 5 HOH A 413   O   100.6  90.2  74.0  91.7                            
REMARK 620 6 HOH A 532   O    94.1  88.6  91.2  90.1 165.1                      
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 357                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GSP A 355                 
DBREF  1BH2 A   32   346  UNP    P10824   GNAI1_RAT       31    345             
SEQADV 1BH2 SER A  326  UNP  P10824    ALA   325 ENGINEERED MUTATION            
SEQRES   1 A  315  ARG GLU VAL LYS LEU LEU LEU LEU GLY ALA GLY GLU SER          
SEQRES   2 A  315  GLY LYS SER THR ILE VAL LYS GLN MET LYS ILE ILE HIS          
SEQRES   3 A  315  GLU ALA GLY TYR SER GLU GLU GLU CYS LYS GLN TYR LYS          
SEQRES   4 A  315  ALA VAL VAL TYR SER ASN THR ILE GLN SER ILE ILE ALA          
SEQRES   5 A  315  ILE ILE ARG ALA MET GLY ARG LEU LYS ILE ASP PHE GLY          
SEQRES   6 A  315  ASP ALA ALA ARG ALA ASP ASP ALA ARG GLN LEU PHE VAL          
SEQRES   7 A  315  LEU ALA GLY ALA ALA GLU GLU GLY PHE MET THR ALA GLU          
SEQRES   8 A  315  LEU ALA GLY VAL ILE LYS ARG LEU TRP LYS ASP SER GLY          
SEQRES   9 A  315  VAL GLN ALA CYS PHE ASN ARG SER ARG GLU TYR GLN LEU          
SEQRES  10 A  315  ASN ASP SER ALA ALA TYR TYR LEU ASN ASP LEU ASP ARG          
SEQRES  11 A  315  ILE ALA GLN PRO ASN TYR ILE PRO THR GLN GLN ASP VAL          
SEQRES  12 A  315  LEU ARG THR ARG VAL LYS THR THR GLY ILE VAL GLU THR          
SEQRES  13 A  315  HIS PHE THR PHE LYS ASP LEU HIS PHE LYS MET PHE ASP          
SEQRES  14 A  315  VAL GLY GLY GLN ARG SER GLU ARG LYS LYS TRP ILE HIS          
SEQRES  15 A  315  CYS PHE GLU GLY VAL THR ALA ILE ILE PHE CYS VAL ALA          
SEQRES  16 A  315  LEU SER ASP TYR ASP LEU VAL LEU ALA GLU ASP GLU GLU          
SEQRES  17 A  315  MET ASN ARG MET HIS GLU SER MET LYS LEU PHE ASP SER          
SEQRES  18 A  315  ILE CYS ASN ASN LYS TRP PHE THR ASP THR SER ILE ILE          
SEQRES  19 A  315  LEU PHE LEU ASN LYS LYS ASP LEU PHE GLU GLU LYS ILE          
SEQRES  20 A  315  LYS LYS SER PRO LEU THR ILE CYS TYR PRO GLU TYR ALA          
SEQRES  21 A  315  GLY SER ASN THR TYR GLU GLU ALA ALA ALA TYR ILE GLN          
SEQRES  22 A  315  CYS GLN PHE GLU ASP LEU ASN LYS ARG LYS ASP THR LYS          
SEQRES  23 A  315  GLU ILE TYR THR HIS PHE THR CYS SER THR ASP THR LYS          
SEQRES  24 A  315  ASN VAL GLN PHE VAL PHE ASP ALA VAL THR ASP VAL ILE          
SEQRES  25 A  315  ILE LYS ASN                                                  
HET     MG  A 357       1                                                       
HET    GSP  A 355      32                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE                       
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  GSP    C10 H16 N5 O13 P3 S                                          
FORMUL   4  HOH   *116(H2 O)                                                    
HELIX    1  A1 GLY A   45  GLU A   58  1                                  14    
HELIX    2  AA SER A   62  LEU A   91  1                                  30    
HELIX    3  AB ASP A   97  GLY A  117  1                                  21    
HELIX    4  AC THR A  120  LYS A  132  1                                  13    
HELIX    5  AD ASP A  133  TYR A  146  1                                  14    
HELIX    6  AE SER A  151  ALA A  163  1                                  13    
HELIX    7  AF GLN A  171  ARG A  176  1                                   6    
HELIX    8  A2 GLU A  207  PHE A  215  5                                   9    
HELIX    9  A3 ASN A  241  ASN A  255  1                                  15    
HELIX   10  AG LYS A  270  ILE A  278  1                                   9    
HELIX   11  A4 THR A  295  ASP A  309  1                                  15    
HELIX   12  A5 ASP A  328  ILE A  343  1                                  16    
SHEET    1   A 6 ILE A 319  PHE A 323  0                                        
SHEET    2   A 6 SER A 263  ASN A 269  1  N  ILE A 264   O  TYR A 320           
SHEET    3   A 6 ALA A 220  ALA A 226  1  N  ILE A 221   O  SER A 263           
SHEET    4   A 6 GLU A  33  LEU A  39  1  N  LEU A  37   O  ALA A 220           
SHEET    5   A 6 LEU A 194  VAL A 201  1  N  HIS A 195   O  VAL A  34           
SHEET    6   A 6 ILE A 184  PHE A 191 -1  N  PHE A 191   O  LEU A 194           
LINK         OG  SER A  47                MG    MG A 357     1555   1555  2.06  
LINK         OG1 THR A 181                MG    MG A 357     1555   1555  2.19  
LINK         O2G GSP A 355                MG    MG A 357     1555   1555  2.20  
LINK         O2B GSP A 355                MG    MG A 357     1555   1555  2.21  
LINK        MG    MG A 357                 O   HOH A 413     1555   1555  1.99  
LINK        MG    MG A 357                 O   HOH A 532     1555   1555  2.07  
SITE     1 AC1  5 SER A  47  THR A 181  GSP A 355  HOH A 413                    
SITE     2 AC1  5 HOH A 532                                                     
SITE     1 AC2 28 GLU A  43  SER A  44  GLY A  45  LYS A  46                    
SITE     2 AC2 28 SER A  47  THR A  48  SER A 151  LEU A 175                    
SITE     3 AC2 28 ARG A 176  THR A 177  ARG A 178  THR A 181                    
SITE     4 AC2 28 GLY A 202  GLY A 203  GLN A 204  ASN A 269                    
SITE     5 AC2 28 LYS A 270  ASP A 272  LEU A 273  CYS A 325                    
SITE     6 AC2 28 SER A 326  THR A 327   MG A 357  HOH A 401                    
SITE     7 AC2 28 HOH A 402  HOH A 403  HOH A 413  HOH A 532                    
CRYST1   79.584   79.584  105.556  90.00  90.00 120.00 P 32 2 1      6          
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      0.012565  0.007255  0.000000        0.00000                         
SCALE2      0.000000  0.014509  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009474        0.00000