PDB Short entry for 4F12
HEADER    SIGNALING PROTEIN                       05-MAY-12   4F12              
TITLE     CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B)        
TITLE    2 RECEPTOR GBR2                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 2;         
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLULAR DOMAIN, UNP RESIDUES 42-466';                
COMPND   5 SYNONYM: GABA-B RECEPTOR 2, GABA-B-R2, GABA-BR2, GABABR2, GB2, G-    
COMPND   6 PROTEIN COUPLED RECEPTOR 51, HG20;                                   
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: GABBR2, GPR51, GPRC3B;                                         
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: SF9                                        
KEYWDS    VENUS FLYTRAP MODULE, G-PROTEIN COUPLED RECEPTOR, SIGNALING PROTEIN   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.GENG,D.XIONG,L.MOSYAK,D.L.MALITO,J.KNIAZEFF,Y.CHEN,S.BURMAKINA,     
AUTHOR   2 M.QUICK,M.BUSH,J.A.JAVITCH,J.-P.PIN,Q.R.FAN                          
REVDAT   4   29-JUL-20 4F12    1       COMPND REMARK SEQADV HETNAM              
REVDAT   4 2                   1       LINK   SITE   ATOM                       
REVDAT   3   15-NOV-17 4F12    1       REMARK                                   
REVDAT   2   15-AUG-12 4F12    1       JRNL                                     
REVDAT   1   06-JUN-12 4F12    0                                                
JRNL        AUTH   Y.GENG,D.XIONG,L.MOSYAK,D.L.MALITO,J.KNIAZEFF,Y.CHEN,        
JRNL        AUTH 2 S.BURMAKINA,M.QUICK,M.BUSH,J.A.JAVITCH,J.P.PIN,Q.R.FAN       
JRNL        TITL   STRUCTURE AND FUNCTIONAL INTERACTION OF THE EXTRACELLULAR    
JRNL        TITL 2 DOMAIN OF HUMAN GABA(B) RECEPTOR GBR2.                       
JRNL        REF    NAT.NEUROSCI.                 V.  15   970 2012              
JRNL        REFN                   ISSN 1097-6256                               
JRNL        PMID   22660477                                                     
JRNL        DOI    10.1038/NN.3133                                              
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.02 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.4.0066                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.02                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.63                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 84.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 8056                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.209                           
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.254                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.720                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 380                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 5                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.02                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.38                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1782                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 84.72                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2560                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 97                           
REMARK   3   BIN FREE R VALUE                    : 0.3230                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3270                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 80                                      
REMARK   3   SOLVENT ATOMS            : 96                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 62.02                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -9.40710                                             
REMARK   3    B22 (A**2) : -3.46740                                             
REMARK   3    B33 (A**2) : 12.87460                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.897                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.891                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    49        A   466                          
REMARK   3    ORIGIN FOR THE GROUP (A):  18.8550  35.6624  -4.0002              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0282 T22:   0.1053                                     
REMARK   3      T33:  -0.0730 T12:   0.0239                                     
REMARK   3      T13:   0.0272 T23:  -0.0251                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4365 L22:   1.8560                                     
REMARK   3      L33:   0.4101 L12:   0.3045                                     
REMARK   3      L13:   0.0165 L23:  -0.3101                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0535 S12:  -0.0702 S13:  -0.0230                       
REMARK   3      S21:  -0.0613 S22:   0.0056 S23:  -0.0187                       
REMARK   3      S31:   0.0063 S32:  -0.0415 S33:   0.0479                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : NULL                                          
REMARK   3   ION PROBE RADIUS   : NULL                                          
REMARK   3   SHRINKAGE RADIUS   : NULL                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4F12 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-MAY-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000072320.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4C                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9790                             
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK, HKL-2000                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8073                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 86.1                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.08700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 65.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.49000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.24                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% JEFFAMINE ED-2001, 0.1M HEPES, PH    
REMARK 280  7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
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       39.63200            
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       39.63200            
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       41.34200            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       71.25750            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       41.34200            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       71.25750            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       39.63200            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       41.34200            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       71.25750            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       39.63200            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       41.34200            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       71.25750            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     TRP A    42                                                      
REMARK 465     ALA A    43                                                      
REMARK 465     ARG A    44                                                      
REMARK 465     GLY A    45                                                      
REMARK 465     ALA A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     ARG A    48                                                      
REMARK 465     HIS A   294                                                      
REMARK 465     THR A   295                                                      
REMARK 465     GLU A   296                                                      
REMARK 465     ALA A   297                                                      
REMARK 465     ASN A   298                                                      
REMARK 465     SER A   299                                                      
REMARK 465     SER A   300                                                      
REMARK 465     ARG A   301                                                      
REMARK 465     ASP A   467                                                      
REMARK 465     TYR A   468                                                      
REMARK 465     LYS A   469                                                      
REMARK 465     ASP A   470                                                      
REMARK 465     ASP A   471                                                      
REMARK 465     ASP A   472                                                      
REMARK 465     ASP A   473                                                      
REMARK 465     LYS A   474                                                      
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   ND2  ASN A    90     O5   NAG A   801              2.15            
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    PRO A 125     -176.50    -69.33                                   
REMARK 500    LEU A 219       48.76    -90.82                                   
REMARK 500    SER A 288       40.68   -109.71                                   
REMARK 500    GLU A 312      119.39    -33.66                                   
REMARK 500    HIS A 382       24.64   -150.55                                   
REMARK 500    GLN A 383       55.50    -96.67                                   
REMARK 500    ARG A 384       70.60   -113.53                                   
REMARK 500    PHE A 388       96.28    -44.89                                   
REMARK 500    TYR A 390       -6.97    -39.52                                   
REMARK 500    ASP A 392       98.38    -57.98                                   
REMARK 500    ASP A 433      -69.20     61.46                                   
REMARK 500    THR A 455      -58.96   -128.39                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4F11   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN IN A DIFFERENT CRYSTAL FORM                         
DBREF  4F12 A   42   466  UNP    O75899   GABR2_HUMAN     42    466             
SEQADV 4F12 ASP A  467  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 TYR A  468  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 LYS A  469  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 ASP A  470  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 ASP A  471  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 ASP A  472  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 ASP A  473  UNP  O75899              EXPRESSION TAG                 
SEQADV 4F12 LYS A  474  UNP  O75899              EXPRESSION TAG                 
SEQRES   1 A  433  TRP ALA ARG GLY ALA PRO ARG PRO PRO PRO SER SER PRO          
SEQRES   2 A  433  PRO LEU SER ILE MET GLY LEU MET PRO LEU THR LYS GLU          
SEQRES   3 A  433  VAL ALA LYS GLY SER ILE GLY ARG GLY VAL LEU PRO ALA          
SEQRES   4 A  433  VAL GLU LEU ALA ILE GLU GLN ILE ARG ASN GLU SER LEU          
SEQRES   5 A  433  LEU ARG PRO TYR PHE LEU ASP LEU ARG LEU TYR ASP THR          
SEQRES   6 A  433  GLU CYS ASP ASN ALA LYS GLY LEU LYS ALA PHE TYR ASP          
SEQRES   7 A  433  ALA ILE LYS TYR GLY PRO ASN HIS LEU MET VAL PHE GLY          
SEQRES   8 A  433  GLY VAL CYS PRO SER VAL THR SER ILE ILE ALA GLU SER          
SEQRES   9 A  433  LEU GLN GLY TRP ASN LEU VAL GLN LEU SER PHE ALA ALA          
SEQRES  10 A  433  THR THR PRO VAL LEU ALA ASP LYS LYS LYS TYR PRO TYR          
SEQRES  11 A  433  PHE PHE ARG THR VAL PRO SER ASP ASN ALA VAL ASN PRO          
SEQRES  12 A  433  ALA ILE LEU LYS LEU LEU LYS HIS TYR GLN TRP LYS ARG          
SEQRES  13 A  433  VAL GLY THR LEU THR GLN ASP VAL GLN ARG PHE SER GLU          
SEQRES  14 A  433  VAL ARG ASN ASP LEU THR GLY VAL LEU TYR GLY GLU ASP          
SEQRES  15 A  433  ILE GLU ILE SER ASP THR GLU SER PHE SER ASN ASP PRO          
SEQRES  16 A  433  CYS THR SER VAL LYS LYS LEU LYS GLY ASN ASP VAL ARG          
SEQRES  17 A  433  ILE ILE LEU GLY GLN PHE ASP GLN ASN MET ALA ALA LYS          
SEQRES  18 A  433  VAL PHE CYS CYS ALA TYR GLU GLU ASN MET TYR GLY SER          
SEQRES  19 A  433  LYS TYR GLN TRP ILE ILE PRO GLY TRP TYR GLU PRO SER          
SEQRES  20 A  433  TRP TRP GLU GLN VAL HIS THR GLU ALA ASN SER SER ARG          
SEQRES  21 A  433  CYS LEU ARG LYS ASN LEU LEU ALA ALA MET GLU GLY TYR          
SEQRES  22 A  433  ILE GLY VAL ASP PHE GLU PRO LEU SER SER LYS GLN ILE          
SEQRES  23 A  433  LYS THR ILE SER GLY LYS THR PRO GLN GLN TYR GLU ARG          
SEQRES  24 A  433  GLU TYR ASN ASN LYS ARG SER GLY VAL GLY PRO SER LYS          
SEQRES  25 A  433  PHE HIS GLY TYR ALA TYR ASP GLY ILE TRP VAL ILE ALA          
SEQRES  26 A  433  LYS THR LEU GLN ARG ALA MET GLU THR LEU HIS ALA SER          
SEQRES  27 A  433  SER ARG HIS GLN ARG ILE GLN ASP PHE ASN TYR THR ASP          
SEQRES  28 A  433  HIS THR LEU GLY ARG ILE ILE LEU ASN ALA MET ASN GLU          
SEQRES  29 A  433  THR ASN PHE PHE GLY VAL THR GLY GLN VAL VAL PHE ARG          
SEQRES  30 A  433  ASN GLY GLU ARG MET GLY THR ILE LYS PHE THR GLN PHE          
SEQRES  31 A  433  GLN ASP SER ARG GLU VAL LYS VAL GLY GLU TYR ASN ALA          
SEQRES  32 A  433  VAL ALA ASP THR LEU GLU ILE ILE ASN ASP THR ILE ARG          
SEQRES  33 A  433  PHE GLN GLY SER GLU PRO PRO LYS ASP ASP TYR LYS ASP          
SEQRES  34 A  433  ASP ASP ASP LYS                                              
MODRES 4F12 ASN A  453  ASN  GLYCOSYLATION SITE                                 
MODRES 4F12 ASN A   90  ASN  GLYCOSYLATION SITE                                 
MODRES 4F12 ASN A  404  ASN  GLYCOSYLATION SITE                                 
MODRES 4F12 ASN A  389  ASN  GLYCOSYLATION SITE                                 
HET    NAG  B   1      14                                                       
HET    NAG  B   2      14                                                       
HET    FUC  B   3      10                                                       
HET    NAG  A 801      14                                                       
HET    NAG  A 802      14                                                       
HET    NAG  A 806      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETNAM     FUC ALPHA-L-FUCOPYRANOSE                                             
FORMUL   2  NAG    5(C8 H15 N O6)                                               
FORMUL   2  FUC    C6 H12 O5                                                    
FORMUL   6  HOH   *96(H2 O)                                                     
HELIX    1   1 LYS A   70  GLU A   91  1                                  22    
HELIX    2   2 ASP A  109  GLY A  124  1                                  16    
HELIX    3   3 CYS A  135  SER A  145  1                                  11    
HELIX    4   4 LEU A  146  ASN A  150  5                                   5    
HELIX    5   5 THR A  160  ASP A  165  5                                   6    
HELIX    6   6 SER A  178  ASN A  180  5                                   3    
HELIX    7   7 ALA A  181  TYR A  193  1                                  13    
HELIX    8   8 VAL A  205  LEU A  219  1                                  15    
HELIX    9   9 PRO A  236  ASN A  246  1                                  11    
HELIX   10  10 ASP A  256  GLU A  270  1                                  15    
HELIX   11  11 LEU A  303  GLU A  312  1                                  10    
HELIX   12  12 THR A  334  SER A  347  1                                  14    
HELIX   13  13 PHE A  354  SER A  379  1                                  26    
HELIX   14  14 ARG A  384  PHE A  388  5                                   5    
HELIX   15  15 ASP A  392  GLU A  405  1                                  14    
SHEET    1   A 5 PHE A  98  ASP A 105  0                                        
SHEET    2   A 5 PRO A  55  MET A  62  1  N  GLY A  60   O  ARG A 102           
SHEET    3   A 5 HIS A 127  GLY A 132  1  O  LEU A 128   N  SER A  57           
SHEET    4   A 5 VAL A 152  SER A 155  1  O  LEU A 154   N  VAL A 130           
SHEET    5   A 5 PHE A 172  ARG A 174  1  O  PHE A 173   N  GLN A 153           
SHEET    1   B 8 GLU A 225  PHE A 232  0                                        
SHEET    2   B 8 ARG A 197  GLN A 203  1  N  THR A 200   O  GLU A 230           
SHEET    3   B 8 ILE A 250  GLN A 254  1  O  GLN A 254   N  LEU A 201           
SHEET    4   B 8 GLN A 278  PRO A 282  1  O  ILE A 280   N  GLY A 253           
SHEET    5   B 8 ILE A 315  PHE A 319  1  O  ILE A 315   N  ILE A 281           
SHEET    6   B 8 THR A 425  GLN A 432 -1  O  LYS A 427   N  ASP A 318           
SHEET    7   B 8 ARG A 435  ASN A 443 -1  O  TYR A 442   N  ILE A 426           
SHEET    8   B 8 THR A 448  ILE A 451 -1  O  THR A 448   N  ASN A 443           
SHEET    1   C 3 ASN A 407  GLY A 410  0                                        
SHEET    2   C 3 GLY A 413  ARG A 418 -1  O  VAL A 415   N  PHE A 408           
SHEET    3   C 3 GLU A 421  ARG A 422 -1  O  GLU A 421   N  ARG A 418           
SSBOND   1 CYS A  108    CYS A  135                          1555   1555  2.03  
SSBOND   2 CYS A  237    CYS A  266                          1555   1555  2.03  
SSBOND   3 CYS A  265    CYS A  302                          1555   1555  2.04  
LINK         ND2 ASN A  90                 C1  NAG A 801     1555   1555  1.43  
LINK         ND2 ASN A 389                 C1  NAG A 802     1555   1555  1.47  
LINK         ND2 ASN A 404                 C1  NAG B   1     1555   1555  1.45  
LINK         ND2 ASN A 453                 C1  NAG A 806     1555   1555  1.43  
LINK         O4  NAG B   1                 C1  NAG B   2     1555   1555  1.45  
LINK         O6  NAG B   1                 C1  FUC B   3     1555   1555  1.42  
CISPEP   1 ARG A   95    PRO A   96          0         0.90                     
CRYST1   82.684  142.515   79.264  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      0.012094  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007017  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012616        0.00000