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Database: PDB
Entry: 4F29
LinkDB: 4F29
Original site: 4F29 
HEADER    TRANSPORT PROTEIN/AGONIST               07-MAY-12   4F29              
TITLE     QUISQUALATE BOUND TO THE LIGAND BINDING DOMAIN OF GLUA3I              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLUTAMATE RECEPTOR 3;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: GLUR-3, AMPA-SELECTIVE GLUTAMATE RECEPTOR 3, GLUR-C, GLUR-  
COMPND   5 K3, GLUTAMATE RECEPTOR IONOTROPIC, AMPA 3, GLUA3;                    
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: RAT;                                                
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 GENE: GLUR3, GRIA3, GRIA3; GLUA3;                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: ORIGAMI B (DE3);                           
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET-22B(+)                                
KEYWDS    GLUTAMATE RECEPTOR, GLUA3, GLUR3, AMPA RECEPTOR, S1S2, LBD,           
KEYWDS   2 NEUROTRANSMITTER RECEPTOR, QUISQUALATE, TRANSPORT PROTEIN, TRANSPORT 
KEYWDS   3 PROTEIN-AGONIST COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.H.AHMED,R.E.OSWALD                                                  
REVDAT   4   13-SEP-23 4F29    1       REMARK SEQADV                            
REVDAT   3   16-AUG-17 4F29    1       SOURCE REMARK                            
REVDAT   2   23-MAY-12 4F29    1       JRNL                                     
REVDAT   1   16-MAY-12 4F29    0                                                
JRNL        AUTH   S.M.HOLLEY,A.H.AHMED,J.SRINIVASAN,S.E.MURTHY,G.A.WEILAND,    
JRNL        AUTH 2 R.E.OSWALD,L.M.NOWAK                                         
JRNL        TITL   THE LOSS OF AN ELECTROSTATIC CONTACT UNIQUE TO AMPA RECEPTOR 
JRNL        TITL 2 LIGAND BINDING DOMAIN 2 SLOWS CHANNEL ACTIVATION.            
JRNL        REF    BIOCHEMISTRY                  V.  51  4015 2012              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   22512472                                                     
JRNL        DOI    10.1021/BI3001837                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.83                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.100                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 82.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 26559                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.192                           
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.180                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1908                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 44.8393 -  4.2152    0.75     1748   134  0.2056 0.2484        
REMARK   3     2  4.2152 -  3.3460    0.81     1764   139  0.1712 0.2090        
REMARK   3     3  3.3460 -  2.9232    0.89     1920   146  0.1793 0.2445        
REMARK   3     4  2.9232 -  2.6559    0.90     1925   146  0.1801 0.2308        
REMARK   3     5  2.6559 -  2.4656    0.90     1910   151  0.1805 0.2286        
REMARK   3     6  2.4656 -  2.3202    0.90     1911   146  0.1862 0.2430        
REMARK   3     7  2.3202 -  2.2040    0.86     1837   140  0.1788 0.2364        
REMARK   3     8  2.2040 -  2.1081    0.89     1875   145  0.1710 0.1964        
REMARK   3     9  2.1081 -  2.0269    0.88     1864   147  0.1785 0.2546        
REMARK   3    10  2.0269 -  1.9570    0.85     1790   142  0.1888 0.2512        
REMARK   3    11  1.9570 -  1.8958    0.75     1545   118  0.2527 0.3324        
REMARK   3    12  1.8958 -  1.8416    0.80     1706   134  0.2114 0.2712        
REMARK   3    13  1.8416 -  1.7931    0.76     1601   122  0.2003 0.2630        
REMARK   3    14  1.7931 -  1.7494    0.60     1255    98  0.1893 0.2474        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.39                                          
REMARK   3   B_SOL              : 49.52                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.640           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.13470                                             
REMARK   3    B22 (A**2) : -4.01250                                             
REMARK   3    B33 (A**2) : 4.14720                                              
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.023           2085                                  
REMARK   3   ANGLE     :  1.991           2807                                  
REMARK   3   CHIRALITY :  0.135            308                                  
REMARK   3   PLANARITY :  0.010            350                                  
REMARK   3   DIHEDRAL  : 17.173            786                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4F29 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAY-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000072363.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-SEP-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
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) : 0.977                              
REMARK 200  MONOCHROMATOR                  : RH COATED SI                       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.749                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.6                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.06900                            
REMARK 200  R SYM                      (I) : 0.06900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.9440                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.88                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.26000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.050                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: 3DLN                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 14-15% PEG 8K, 0.1 M SODIUM              
REMARK 280  CACODYLATE, 0.1-0.15 M ZINC ACETATE, 0.25 M AMMONIUM SULFATE, PH    
REMARK 280  6.5, VAPOR DIFFUSION, TEMPERATURE 277K                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 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                                                                      
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       68.79750            
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       68.79750            
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                                                                      
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2580 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23850 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 KCAL/MOL                        
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 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       68.79750            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 528  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 647  LIES ON A SPECIAL POSITION.                          
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    ARG A  48       60.51     60.45                                   
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 QUS A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4F1Y   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4F22   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4F2O   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4F2Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4F31   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 RESIDUES 232,233, 242, AND 246 CORRESPOND TO AN ALTERNATIVELY        
REMARK 999 SPLICED VERSION OF THE PROTEIN, UNP P19492                           
DBREF  4F29 A    4   117  UNP    P19492   GRIA3_RAT      417    530             
DBREF  4F29 A  120   261  UNP    P19492   GRIA3_RAT      658    799             
SEQADV 4F29 GLY A  118  UNP  P19492              LINKER                         
SEQADV 4F29 THR A  119  UNP  P19492              LINKER                         
SEQADV 4F29 THR A  232  UNP  P19492    ASN   770 SEE REMARK 999                 
SEQADV 4F29 PRO A  233  UNP  P19492    ALA   771 SEE REMARK 999                 
SEQADV 4F29 SER A  242  UNP  P19492    ASN   780 SEE REMARK 999                 
SEQADV 4F29 ILE A  246  UNP  P19492    LEU   784 SEE REMARK 999                 
SEQRES   1 A  258  ARG THR ILE VAL VAL THR THR ILE LEU GLU SER PRO TYR          
SEQRES   2 A  258  VAL MET TYR LYS LYS ASN HIS GLU GLN LEU GLU GLY ASN          
SEQRES   3 A  258  GLU ARG TYR GLU GLY TYR CYS VAL ASP LEU ALA TYR GLU          
SEQRES   4 A  258  ILE ALA LYS HIS VAL ARG ILE LYS TYR LYS LEU SER ILE          
SEQRES   5 A  258  VAL GLY ASP GLY LYS TYR GLY ALA ARG ASP PRO GLU THR          
SEQRES   6 A  258  LYS ILE TRP ASN GLY MET VAL GLY GLU LEU VAL TYR GLY          
SEQRES   7 A  258  ARG ALA ASP ILE ALA VAL ALA PRO LEU THR ILE THR LEU          
SEQRES   8 A  258  VAL ARG GLU GLU VAL ILE ASP PHE SER LYS PRO PHE MET          
SEQRES   9 A  258  SER LEU GLY ILE SER ILE MET ILE LYS LYS GLY THR PRO          
SEQRES  10 A  258  ILE GLU SER ALA GLU ASP LEU ALA LYS GLN THR GLU ILE          
SEQRES  11 A  258  ALA TYR GLY THR LEU ASP SER GLY SER THR LYS GLU PHE          
SEQRES  12 A  258  PHE ARG ARG SER LYS ILE ALA VAL TYR GLU LYS MET TRP          
SEQRES  13 A  258  SER TYR MET LYS SER ALA GLU PRO SER VAL PHE THR LYS          
SEQRES  14 A  258  THR THR ALA ASP GLY VAL ALA ARG VAL ARG LYS SER LYS          
SEQRES  15 A  258  GLY LYS PHE ALA PHE LEU LEU GLU SER THR MET ASN GLU          
SEQRES  16 A  258  TYR ILE GLU GLN ARG LYS PRO CYS ASP THR MET LYS VAL          
SEQRES  17 A  258  GLY GLY ASN LEU ASP SER LYS GLY TYR GLY VAL ALA THR          
SEQRES  18 A  258  PRO LYS GLY SER ALA LEU GLY THR PRO VAL ASN LEU ALA          
SEQRES  19 A  258  VAL LEU LYS LEU SER GLU GLN GLY ILE LEU ASP LYS LEU          
SEQRES  20 A  258  LYS ASN LYS TRP TRP TYR ASP LYS GLY GLU CYS                  
HET    QUS  A 301      13                                                       
HET     ZN  A 302       1                                                       
HETNAM     QUS (S)-2-AMINO-3-(3,5-DIOXO-[1,2,4]OXADIAZOLIDIN-2-YL)-             
HETNAM   2 QUS  PROPIONIC ACID                                                  
HETNAM      ZN ZINC ION                                                         
HETSYN     QUS QUISQUALATE                                                      
FORMUL   2  QUS    C5 H7 N3 O5                                                  
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  HOH   *263(H2 O)                                                    
HELIX    1   1 ASN A   22  LEU A   26  5                                   5    
HELIX    2   2 GLU A   27  GLU A   30  5                                   4    
HELIX    3   3 GLY A   34  ARG A   48  1                                  15    
HELIX    4   4 ASN A   72  TYR A   80  1                                   9    
HELIX    5   5 THR A   93  GLU A   98  1                                   6    
HELIX    6   6 SER A  123  LYS A  129  1                                   7    
HELIX    7   7 GLY A  141  SER A  150  1                                  10    
HELIX    8   8 ILE A  152  ALA A  165  1                                  14    
HELIX    9   9 THR A  173  SER A  184  1                                  12    
HELIX   10  10 SER A  194  GLN A  202  1                                   9    
HELIX   11  11 LEU A  230  GLN A  244  1                                  15    
HELIX   12  12 GLY A  245  TYR A  256  1                                  12    
SHEET    1   A 3 LYS A  50  ILE A  55  0                                        
SHEET    2   A 3 THR A   5  THR A  10  1  N  ILE A   6   O  LYS A  50           
SHEET    3   A 3 ILE A  85  ALA A  86  1  O  ILE A  85   N  THR A   9           
SHEET    1   B 2 MET A  18  TYR A  19  0                                        
SHEET    2   B 2 TYR A  32  GLU A  33 -1  O  GLU A  33   N  MET A  18           
SHEET    1   C 2 ILE A 100  PHE A 102  0                                        
SHEET    2   C 2 ALA A 223  PRO A 225 -1  O  THR A 224   N  ASP A 101           
SHEET    1   D 2 MET A 107  LEU A 109  0                                        
SHEET    2   D 2 LYS A 218  TYR A 220 -1  O  LYS A 218   N  LEU A 109           
SHEET    1   E 5 PHE A 170  THR A 171  0                                        
SHEET    2   E 5 ALA A 134  LEU A 138  1  N  THR A 137   O  THR A 171           
SHEET    3   E 5 PHE A 188  GLU A 193  1  O  LEU A 191   N  GLY A 136           
SHEET    4   E 5 ILE A 111  LYS A 116 -1  N  MET A 114   O  PHE A 190           
SHEET    5   E 5 THR A 208  VAL A 211 -1  O  MET A 209   N  ILE A 115           
SSBOND   1 CYS A  206    CYS A  261                          1555   1555  2.33  
LINK         NE2 HIS A  23                ZN    ZN A 302     1555   1555  2.54  
CISPEP   1 SER A   14    PRO A   15          0        -0.52                     
CISPEP   2 GLU A  166    PRO A  167          0        -5.85                     
CISPEP   3 LYS A  204    PRO A  205          0         4.83                     
SITE     1 AC1 13 TYR A  61  PRO A  89  LEU A  90  THR A  91                    
SITE     2 AC1 13 ARG A  96  LEU A 138  GLY A 141  SER A 142                    
SITE     3 AC1 13 THR A 143  LEU A 192  GLU A 193  HOH A 402                    
SITE     4 AC1 13 HOH A 657                                                     
SITE     1 AC2  2 HIS A  23  GLU A  24                                          
CRYST1   47.411   47.516  137.595  90.00  90.00  90.00 P 2 2 21      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      0.021092  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.021046  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007268        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system