HEADER    COMPLEX (GTP-BINDING/TRANSDUCER)        13-NOV-96   1GP2              
TITLE     G PROTEIN HETEROTRIMER GI_ALPHA_1 BETA_1 GAMMA_2 WITH GDP BOUND       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: G PROTEIN GI ALPHA 1;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: ALPHA 1;                                                   
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: G PROTEIN GI BETA 1;                                       
COMPND   8 CHAIN: B;                                                            
COMPND   9 FRAGMENT: BETA 1;                                                    
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: G PROTEIN GI GAMMA 2;                                      
COMPND  13 CHAIN: G;                                                            
COMPND  14 FRAGMENT: GAMMA 2;                                                   
COMPND  15 ENGINEERED: YES;                                                     
COMPND  16 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: SF9;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: SF9;                                       
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE  11 ORGANISM_COMMON: CATTLE;                                             
SOURCE  12 ORGANISM_TAXID: 9913;                                                
SOURCE  13 CELL_LINE: SF9;                                                      
SOURCE  14 MOL_ID: 3;                                                           
SOURCE  15 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE  16 ORGANISM_COMMON: CATTLE;                                             
SOURCE  17 ORGANISM_TAXID: 9913;                                                
SOURCE  18 CELL_LINE: SF9;                                                      
SOURCE  19 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  20 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE  21 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE  22 EXPRESSION_SYSTEM_STRAIN: SF9;                                       
SOURCE  23 EXPRESSION_SYSTEM_VECTOR: BACULOVIRUS;                               
SOURCE  24 OTHER_DETAILS: BOVINE BETA 1 AND GAMMA 2 WERE COEXPRESSED IN SF9     
SOURCE  25 CELLS INFECTED WITH RECOMBINANT BACULOVIRUSES AND PURIFIED AS A      
SOURCE  26 COMPLEX                                                              
KEYWDS    SIGNAL TRANSDUCTION PROTEIN, GTPASE, WD40, RAS-LIKE, COMPLEX (GTP-    
KEYWDS   2 BINDING-TRANSDUCER), COMPLEX (GTP-BINDING-TRANSDUCER) COMPLEX        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.WALL,S.R.SPRANG                                                   
REVDAT   3   07-FEB-24 1GP2    1       REMARK                                   
REVDAT   2   24-FEB-09 1GP2    1       VERSN                                    
REVDAT   1   12-FEB-97 1GP2    0                                                
JRNL        AUTH   M.A.WALL,D.E.COLEMAN,E.LEE,J.A.INIGUEZ-LLUHI,B.A.POSNER,     
JRNL        AUTH 2 A.G.GILMAN,S.R.SPRANG                                        
JRNL        TITL   THE STRUCTURE OF THE G PROTEIN HETEROTRIMER GI ALPHA 1 BETA  
JRNL        TITL 2 1 GAMMA 2.                                                   
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V.  83  1047 1995              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   8521505                                                      
JRNL        DOI    10.1016/0092-8674(95)90220-1                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 36701                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.226                           
REMARK   3   FREE R VALUE                     : 0.307                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 3653                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 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            : 5779                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 390                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 68.40                          
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) : 0.44                            
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) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.560                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.370                           
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:                                           
REMARK   3  AN OCCUPANCY OF 0.0 INDICATES THAT NO SIGNIFICANT                   
REMARK   3  ELECTRON DENSITY WAS FOUND IN THE FINAL FOURIER MAP.                
REMARK   4                                                                      
REMARK   4 1GP2 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_1000173652.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : MAR-95                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
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) : 0.92                               
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   : 36822                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.8                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : 0.07800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.44                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 62.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.22200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.230                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS                        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43                             
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   -Y,X,Z+3/4                                              
REMARK 290       4555   Y,-X,Z+1/4                                              
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       66.19350            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       99.29025            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       33.09675            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7370 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 32750 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, G                               
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     GLY A     2                                                      
REMARK 465     CYS A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     LYS A   349                                                      
REMARK 465     ASP A   350                                                      
REMARK 465     CYS A   351                                                      
REMARK 465     GLY A   352                                                      
REMARK 465     LEU A   353                                                      
REMARK 465     PHE A   354                                                      
REMARK 465     MET B     1                                                      
REMARK 465     MET G     1                                                      
REMARK 465     ALA G     2                                                      
REMARK 465     SER G     3                                                      
REMARK 465     ASN G     4                                                      
REMARK 465     ASN G     5                                                      
REMARK 465     THR G     6                                                      
REMARK 465     ALA G     7                                                      
REMARK 465     ARG G    62                                                      
REMARK 465     GLU G    63                                                      
REMARK 465     LYS G    64                                                      
REMARK 465     LYS G    65                                                      
REMARK 465     PHE G    66                                                      
REMARK 465     PHE G    67                                                      
REMARK 465     SER G    68                                                      
REMARK 465     ALA G    69                                                      
REMARK 465     ILE G    70                                                      
REMARK 465     LEU G    71                                                      
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     LEU A   234                                                      
REMARK 475     ALA A   235                                                      
REMARK 475     GLU A   236                                                      
REMARK 475     ASP A   237                                                      
REMARK 475     GLU A   238                                                      
REMARK 475     GLU A   239                                                      
REMARK 475     MET A   240                                                      
REMARK 475     THR B   128                                                      
REMARK 475     ARG B   129                                                      
REMARK 475     GLU B   130                                                      
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     GLU A   25   CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU B 130   CD    GLU B 130   OE2     0.073                       
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    PRO G  60   C   -  N   -  CD  ANGL. DEV. = -13.1 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    SER A   6       82.08     43.93                                   
REMARK 500    ALA A   7     -131.17   -170.24                                   
REMARK 500    ALA A  41      171.38    -49.91                                   
REMARK 500    GLU A  58     -152.81   -136.90                                   
REMARK 500    ALA A 111       81.11    -64.83                                   
REMARK 500    ALA A 114       67.00    -60.13                                   
REMARK 500    GLU A 115      -70.74    -84.57                                   
REMARK 500    GLU A 116     -158.18   -170.26                                   
REMARK 500    MET A 119       88.55     47.98                                   
REMARK 500    SER A 143       -6.40    -55.71                                   
REMARK 500    ASP A 193       -7.60     78.42                                   
REMARK 500    VAL A 201       47.62   -107.50                                   
REMARK 500    GLN A 204       71.45    -66.19                                   
REMARK 500    HIS A 213       -9.93    -54.75                                   
REMARK 500    ALA A 235       67.87    -66.36                                   
REMARK 500    GLU A 236      -39.09   -175.05                                   
REMARK 500    GLU A 238      -55.17     65.03                                   
REMARK 500    ARG A 313       41.62    -91.00                                   
REMARK 500    ASN A 347     -140.63   -121.69                                   
REMARK 500    ASN B  35      -30.45    -26.83                                   
REMARK 500    ARG B  42      108.03   -165.45                                   
REMARK 500    TRP B  99       45.53    -80.66                                   
REMARK 500    THR B 128       80.34    -56.66                                   
REMARK 500    ASP B 154      -22.24    -36.18                                   
REMARK 500    ARG B 219      -75.87    -82.90                                   
REMARK 500    PRO B 236      -39.86    -34.82                                   
REMARK 500    ASP B 247       20.23    -68.95                                   
REMARK 500    ASP B 291       26.02    -76.61                                   
REMARK 500    PHE B 292       -6.28     75.18                                   
REMARK 500    ALA B 302       24.85     80.52                                   
REMARK 500    SER B 334       -0.46     72.61                                   
REMARK 500    ALA G  45      -25.35    -38.11                                   
REMARK 500    GLU G  47       33.91    -83.37                                   
REMARK 500    PRO G  53       74.14    -59.49                                   
REMARK 500    PRO G  55       76.18    -23.57                                   
REMARK 500    ALA G  56       89.43    -57.99                                   
REMARK 500    SER G  57      -72.86   -135.15                                   
REMARK 500    GLU G  58       -7.23   -150.91                                   
REMARK 500    PRO G  60      -68.65     35.81                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 355                 
DBREF  1GP2 A    2   354  UNP    P10824   GNAI1_RAT        1    353             
DBREF  1GP2 B    1   340  UNP    P62871   GBB1_BOVIN       1    339             
DBREF  1GP2 G    2    71  UNP    P63212   GBG2_BOVIN       1     70             
SEQRES   1 A  353  GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL GLU          
SEQRES   2 A  353  ARG SER LYS MET ILE ASP ARG ASN LEU ARG GLU ASP GLY          
SEQRES   3 A  353  GLU LYS ALA ALA ARG GLU VAL LYS LEU LEU LEU LEU GLY          
SEQRES   4 A  353  ALA GLY GLU SER GLY LYS SER THR ILE VAL LYS GLN MET          
SEQRES   5 A  353  LYS ILE ILE HIS GLU ALA GLY TYR SER GLU GLU GLU CYS          
SEQRES   6 A  353  LYS GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE GLN          
SEQRES   7 A  353  SER ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU LYS          
SEQRES   8 A  353  ILE ASP PHE GLY ASP ALA ALA ARG ALA ASP ASP ALA ARG          
SEQRES   9 A  353  GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY PHE          
SEQRES  10 A  353  MET THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU TRP          
SEQRES  11 A  353  LYS ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER ARG          
SEQRES  12 A  353  GLU TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU ASN          
SEQRES  13 A  353  ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO THR          
SEQRES  14 A  353  GLN GLN ASP VAL LEU ARG THR ARG VAL LYS THR THR GLY          
SEQRES  15 A  353  ILE VAL GLU THR HIS PHE THR PHE LYS ASP LEU HIS PHE          
SEQRES  16 A  353  LYS MET PHE ASP VAL GLY GLY GLN ARG SER GLU ARG LYS          
SEQRES  17 A  353  LYS TRP ILE HIS CYS PHE GLU GLY VAL THR ALA ILE ILE          
SEQRES  18 A  353  PHE CYS VAL ALA LEU SER ASP TYR ASP LEU VAL LEU ALA          
SEQRES  19 A  353  GLU ASP GLU GLU MET ASN ARG MET HIS GLU SER MET LYS          
SEQRES  20 A  353  LEU PHE ASP SER ILE CYS ASN ASN LYS TRP PHE THR ASP          
SEQRES  21 A  353  THR SER ILE ILE LEU PHE LEU ASN LYS LYS ASP LEU PHE          
SEQRES  22 A  353  GLU GLU LYS ILE LYS LYS SER PRO LEU THR ILE CYS TYR          
SEQRES  23 A  353  PRO GLU TYR ALA GLY SER ASN THR TYR GLU GLU ALA ALA          
SEQRES  24 A  353  ALA TYR ILE GLN CYS GLN PHE GLU ASP LEU ASN LYS ARG          
SEQRES  25 A  353  LYS ASP THR LYS GLU ILE TYR THR HIS PHE THR CYS ALA          
SEQRES  26 A  353  THR ASP THR LYS ASN VAL GLN PHE VAL PHE ASP ALA VAL          
SEQRES  27 A  353  THR ASP VAL ILE ILE LYS ASN ASN LEU LYS ASP CYS GLY          
SEQRES  28 A  353  LEU PHE                                                      
SEQRES   1 B  340  MET SER GLU LEU ASP GLN LEU ARG GLN GLU ALA GLU GLN          
SEQRES   2 B  340  LEU LYS ASN GLN ILE ARG ASP ALA ARG LYS ALA CYS ALA          
SEQRES   3 B  340  ASP ALA THR LEU SER GLN ILE THR ASN ASN ILE ASP PRO          
SEQRES   4 B  340  VAL GLY ARG ILE GLN MET ARG THR ARG ARG THR LEU ARG          
SEQRES   5 B  340  GLY HIS LEU ALA LYS ILE TYR ALA MET HIS TRP GLY THR          
SEQRES   6 B  340  ASP SER ARG LEU LEU VAL SER ALA SER GLN ASP GLY LYS          
SEQRES   7 B  340  LEU ILE ILE TRP ASP SER TYR THR THR ASN LYS VAL HIS          
SEQRES   8 B  340  ALA ILE PRO LEU ARG SER SER TRP VAL MET THR CYS ALA          
SEQRES   9 B  340  TYR ALA PRO SER GLY ASN TYR VAL ALA CYS GLY GLY LEU          
SEQRES  10 B  340  ASP ASN ILE CYS SER ILE TYR ASN LEU LYS THR ARG GLU          
SEQRES  11 B  340  GLY ASN VAL ARG VAL SER ARG GLU LEU ALA GLY HIS THR          
SEQRES  12 B  340  GLY TYR LEU SER CYS CYS ARG PHE LEU ASP ASP ASN GLN          
SEQRES  13 B  340  ILE VAL THR SER SER GLY ASP THR THR CYS ALA LEU TRP          
SEQRES  14 B  340  ASP ILE GLU THR GLY GLN GLN THR THR THR PHE THR GLY          
SEQRES  15 B  340  HIS THR GLY ASP VAL MET SER LEU SER LEU ALA PRO ASP          
SEQRES  16 B  340  THR ARG LEU PHE VAL SER GLY ALA CYS ASP ALA SER ALA          
SEQRES  17 B  340  LYS LEU TRP ASP VAL ARG GLU GLY MET CYS ARG GLN THR          
SEQRES  18 B  340  PHE THR GLY HIS GLU SER ASP ILE ASN ALA ILE CYS PHE          
SEQRES  19 B  340  PHE PRO ASN GLY ASN ALA PHE ALA THR GLY SER ASP ASP          
SEQRES  20 B  340  ALA THR CYS ARG LEU PHE ASP LEU ARG ALA ASP GLN GLU          
SEQRES  21 B  340  LEU MET THR TYR SER HIS ASP ASN ILE ILE CYS GLY ILE          
SEQRES  22 B  340  THR SER VAL SER PHE SER LYS SER GLY ARG LEU LEU LEU          
SEQRES  23 B  340  ALA GLY TYR ASP ASP PHE ASN CYS ASN VAL TRP ASP ALA          
SEQRES  24 B  340  LEU LYS ALA ASP ARG ALA GLY VAL LEU ALA GLY HIS ASP          
SEQRES  25 B  340  ASN ARG VAL SER CYS LEU GLY VAL THR ASP ASP GLY MET          
SEQRES  26 B  340  ALA VAL ALA THR GLY SER TRP ASP SER PHE LEU LYS ILE          
SEQRES  27 B  340  TRP ASN                                                      
SEQRES   1 G   71  MET ALA SER ASN ASN THR ALA SER ILE ALA GLN ALA ARG          
SEQRES   2 G   71  LYS LEU VAL GLU GLN LEU LYS MET GLU ALA ASN ILE ASP          
SEQRES   3 G   71  ARG ILE LYS VAL SER LYS ALA ALA ALA ASP LEU MET ALA          
SEQRES   4 G   71  TYR CYS GLU ALA HIS ALA LYS GLU ASP PRO LEU LEU THR          
SEQRES   5 G   71  PRO VAL PRO ALA SER GLU ASN PRO PHE ARG GLU LYS LYS          
SEQRES   6 G   71  PHE PHE SER ALA ILE LEU                                      
HET    GDP  A 355      28                                                       
HETNAM     GDP GUANOSINE-5'-DIPHOSPHATE                                         
FORMUL   4  GDP    C10 H15 N5 O11 P2                                            
FORMUL   5  HOH   *390(H2 O)                                                    
HELIX    1   1 ALA A    7  ARG A   32  1                                  26    
HELIX    2   2 GLY A   45  HIS A   57  1                                  13    
HELIX    3   3 SER A   62  LEU A   91  1                                  30    
HELIX    4   4 ALA A   98  GLY A  117  1                                  20    
HELIX    5   5 THR A  120  LYS A  132  1                                  13    
HELIX    6   6 ASP A  133  TYR A  146  1                                  14    
HELIX    7   7 SER A  151  ALA A  163  1                                  13    
HELIX    8   8 GLN A  171  ARG A  176  1                                   6    
HELIX    9   9 GLU A  207  PHE A  215  1                                   9    
HELIX   10  10 ASN A  241  ASN A  255  1                                  15    
HELIX   11  11 LYS A  270  ILE A  278  1                                   9    
HELIX   12  12 THR A  295  ASP A  309  1                                  15    
HELIX   13  13 ASP A  328  ASN A  346  1                                  19    
HELIX   14  14 SER B    2  ASP B   27  1                                  26    
HELIX   15  15 LEU B   30  ILE B   37  1                                   8    
HELIX   16  16 SER G    8  ALA G   23  1                                  16    
HELIX   17  17 VAL G   30  HIS G   44  1                                  15    
HELIX   18  18 ASP G   48  LEU G   51  1                                   4    
SHEET    1   B 6 LYS A 317  THR A 324  0                                        
SHEET    2   B 6 THR A 262  ASN A 269  1                                        
SHEET    3   B 6 THR A 219  ALA A 226  1                                        
SHEET    4   B 6 VAL A  34  LEU A  39  1                                        
SHEET    5   B 6 LEU A 194  VAL A 201  1                                        
SHEET    6   B 6 ILE A 184  PHE A 191 -1                                        
SHEET    1   1 4 ALA B  60  GLY B  64  0                                        
SHEET    2   1 4 ARG B  68  GLN B  75 -1                                        
SHEET    3   1 4 LYS B  78  ASP B  83 -1                                        
SHEET    4   1 4 THR B  87  LEU B  95 -1                                        
SHEET    1   2 4 MET B 101  ALA B 106  0                                        
SHEET    2   2 4 TYR B 111  GLY B 115 -1                                        
SHEET    3   2 4 ASP B 118  TYR B 124 -1                                        
SHEET    4   2 4 ARG B 134  ALA B 140 -1                                        
SHEET    1   3 4 SER B 147  LEU B 152  0                                        
SHEET    2   3 4 GLN B 156  SER B 161 -1                                        
SHEET    3   3 4 THR B 165  ASP B 170 -1                                        
SHEET    4   3 4 THR B 177  THR B 181 -1                                        
SHEET    1   4 4 GLY B 216  PHE B 222  0                                        
SHEET    2   4 4 ALA B 206  ASP B 212 -1                                        
SHEET    3   4 4 LEU B 198  CYS B 204 -1                                        
SHEET    4   4 4 MET B 188  ALA B 193 -1                                        
SHEET    1   5 4 ALA B 231  PHE B 235  0                                        
SHEET    2   5 4 ALA B 240  SER B 245 -1                                        
SHEET    3   5 4 THR B 249  ASP B 254 -1                                        
SHEET    4   5 4 GLN B 259  SER B 265 -1                                        
SHEET    1   6 4 THR B 274  SER B 279  0                                        
SHEET    2   6 4 ARG B 283  ASP B 290 -1                                        
SHEET    3   6 4 ASN B 293  ASP B 298 -1                                        
SHEET    4   6 4 ASP B 303  ALA B 309 -1                                        
SHEET    1   7 4 ARG B  49  ARG B  52  0                                        
SHEET    2   7 4 PHE B 335  ASN B 340 -1                                        
SHEET    3   7 4 ALA B 326  SER B 331 -1                                        
SHEET    4   7 4 CYS B 317  THR B 321 -1                                        
SITE     1 AC1 22 ALA A  41  GLU A  43  SER A  44  GLY A  45                    
SITE     2 AC1 22 LYS A  46  SER A  47  THR A  48  ASP A 150                    
SITE     3 AC1 22 SER A 151  ARG A 176  ARG A 178  ASN A 269                    
SITE     4 AC1 22 LYS A 270  ASP A 272  LEU A 273  CYS A 325                    
SITE     5 AC1 22 ALA A 326  THR A 327  HOH A 380  HOH A 461                    
SITE     6 AC1 22 HOH A 466  HOH A 561                                          
CRYST1   84.289   84.289  132.387  90.00  90.00  90.00 P 43          4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011864  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011864  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007554        0.00000