PDB Short entry for 1AT9
HEADER    PHOTORECEPTOR                           20-AUG-97   1AT9              
TITLE     STRUCTURE OF BACTERIORHODOPSIN AT 3.0 ANGSTROM DETERMINED BY ELECTRON 
TITLE    2 CRYSTALLOGRAPHY                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BACTERIORHODOPSIN;                                         
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARUM;                        
SOURCE   3 ORGANISM_TAXID: 2242;                                                
SOURCE   4 STRAIN: JW5                                                          
KEYWDS    PHOTORECEPTOR, PROTON PUMP, MEMBRANE PROTEIN, RETINAL PROTEIN, TWO-   
KEYWDS   2 DIMENSIONAL CRYSTAL                                                  
EXPDTA    ELECTRON CRYSTALLOGRAPHY                                              
AUTHOR    Y.KIMURA,D.G.VASSYLYEV,A.MIYAZAWA,A.KIDERA,M.MATSUSHIMA,K.MITSUOKA,   
AUTHOR   2 K.MURATA,T.HIRAI,Y.FUJIYOSHI                                         
REVDAT   3   13-JUL-11 1AT9    1       VERSN                                    
REVDAT   2   24-FEB-09 1AT9    1       VERSN                                    
REVDAT   1   16-SEP-98 1AT9    0                                                
JRNL        AUTH   Y.KIMURA,D.G.VASSYLYEV,A.MIYAZAWA,A.KIDERA,M.MATSUSHIMA,     
JRNL        AUTH 2 K.MITSUOKA,K.MURATA,T.HIRAI,Y.FUJIYOSHI                      
JRNL        TITL   SURFACE OF BACTERIORHODOPSIN REVEALED BY HIGH-RESOLUTION     
JRNL        TITL 2 ELECTRON CRYSTALLOGRAPHY.                                    
JRNL        REF    NATURE                        V. 389   206 1997              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   9296502                                                      
JRNL        DOI    10.1038/38323                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.GRIGORIEFF,T.A.CESKA,K.H.DOWNING,J.M.BALDWIN,R.HENDERSON   
REMARK   1  TITL   ELECTRON-CRYSTALLOGRAPHIC REFINEMENT OF THE STRUCTURE OF     
REMARK   1  TITL 2 BACTERIORHODOPSIN                                            
REMARK   1  REF    J.MOL.BIOL.                   V. 259   393 1996              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   R.HENDERSON,J.M.BALDWIN,T.A.CESKA,F.ZEMLIN,E.BECKMANN,       
REMARK   1  AUTH 2 K.H.DOWNING                                                  
REMARK   1  TITL   MODEL FOR THE STRUCTURE OF BACTERIORHODOPSIN BASED ON        
REMARK   1  TITL 2 HIGH-RESOLUTION ELECTRON CRYO-MICROSCOPY                     
REMARK   1  REF    J.MOL.BIOL.                   V. 213   899 1990              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1778                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 20                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
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  POSITIONAL REFINEMENT. ORIGINAL MODEL WAS PUBLISHED WITHOUT ANY     
REMARK   3  REFINEMENT. A MODEL WAS PLACED TO FIT TO THE EXPERIMENTALLY         
REMARK   3  OBTAINED MAP AND WAS CHECKED WITH RAMACHANDRAN PLOT BY USING        
REMARK   3  PROGRAM:PROCHECK. IT SHOWED A CONFIGURATION WITH RESIDUES 80.9% IN  
REMARK   3  MOST FAVORABLE REGIONS, 15.5% IN ADDITIONAL ALLOWED REGIONS, 3.6%   
REMARK   3  IN GENEROUSLY ALLOWED REGIONS AND 0% IN DISALLOWED REGIONS.         
REMARK   3                                                                      
REMARK   3  SPECIAL POSITION/STRUCTURE DETERMINATION                            
REMARK   3   THE STRUCTURE WAS DETERMINED FROM TWO DIMENSIONAL CRYSTALS         
REMARK   3   AND THEREFORE THE POSITION IN THE DIRECTION ALONG C AXIS           
REMARK   3   IS ARBITRARY.  IN ORDER TO HAVE POSITION OF THE CURRENT            
REMARK   3   MODEL COMPARABLE TO 1BRD AND 2BRD IN PDB, THE AUTHORS              
REMARK   3   FITTED THE MODEL TO 2BRD BY USING LSQ_EXP AND LSQ_MOL              
REMARK   3   FUNCTIONS IN 4D_ONO PROGRAM AUTHORED BY ALWYN JONES.  THE          
REMARK   3   MATCHED POSITIONS ARE CA IN THE FOLLOWING ZONES: 10-25,            
REMARK   3   43-60, 82-98, 113-126, 135-145, 175-190, 204-222.                  
REMARK   4                                                                      
REMARK   4 1AT9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 240                                                                      
REMARK 240 EXPERIMENTAL DETAILS                                                 
REMARK 240   RECONSTRUCTION METHOD          : NULL                              
REMARK 240   SAMPLE TYPE                    : NULL                              
REMARK 240   SPECIMEN TYPE                  : NULL                              
REMARK 240 DATA ACQUISITION                                                     
REMARK 240   DATE OF DATA COLLECTION        : 01-APR-92                         
REMARK 240   TEMPERATURE           (KELVIN) : 0.0                               
REMARK 240   PH                             : NULL                              
REMARK 240   NUMBER OF CRYSTALS USED        : NULL                              
REMARK 240   MICROSCOPE MODEL               : NULL                              
REMARK 240   DETECTOR TYPE                  : NULL                              
REMARK 240   ACCELERATION VOLTAGE (KV)      : NULL                              
REMARK 240   NUMBER OF UNIQUE REFLECTIONS   : NULL                              
REMARK 240   RESOLUTION RANGE HIGH      (A) : NULL                              
REMARK 240   RESOLUTION RANGE LOW       (A) : NULL                              
REMARK 240   DATA SCALING SOFTWARE          : NULL                              
REMARK 240   COMPLETENESS FOR RANGE     (%) : NULL                              
REMARK 240   DATA REDUNDANCY                : NULL                              
REMARK 240 IN THE HIGHEST RESOLUTION SHELL                                      
REMARK 240   HIGHEST RESOLUTION SHELL, RANGE HIGH (A) :NULL                     
REMARK 240   HIGHEST RESOLUTION SHELL, RANGE LOW  (A) :NULL                     
REMARK 240   COMPLETENESS FOR SHELL     (%) : NULL                              
REMARK 240   DATA REDUNDANCY IN SHELL       : NULL                              
REMARK 240   R MERGE FOR SHELL          (I) : NULL                              
REMARK 240   METHOD USED TO DETERMINE THE STRUCTURE: NULL                       
REMARK 240   SOFTWARE USED                  : X-PLOR                            
REMARK 240   STARTING MODEL                 : NULL                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 6740 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28890 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE SURFACE STRUCTURE IS NEW AND UNIQUE.  ALPHA CARBONS'             
REMARK 400 POSITIONS ARE SIMILAR TO 2BRD EXCEPT FOR THOSE NEAR THE              
REMARK 400 MEMBRANE SURFACES.  SOME OF THE SIDE CHAINS DIFFER                   
REMARK 400 CONSIDERABLY FROM 2BRD EVEN IN THE MIDDLE PART OF HELICES.           
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     PCA A     1                                                      
REMARK 465     GLU A   232                                                      
REMARK 465     ALA A   233                                                      
REMARK 465     GLU A   234                                                      
REMARK 465     ALA A   235                                                      
REMARK 465     PRO A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     PRO A   238                                                      
REMARK 465     SER A   239                                                      
REMARK 465     ALA A   240                                                      
REMARK 465     GLY A   241                                                      
REMARK 465     ASP A   242                                                      
REMARK 465     GLY A   243                                                      
REMARK 465     ALA A   244                                                      
REMARK 465     ALA A   245                                                      
REMARK 465     ALA A   246                                                      
REMARK 465     THR A   247                                                      
REMARK 465     SER A   248                                                      
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   O    ASP A    36     N    ASP A    38              2.18            
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    MET A 163   CG  -  SD  -  CE  ANGL. DEV. =  10.9 DEGREES          
REMARK 500    ARG A 164   NE  -  CZ  -  NH2 ANGL. DEV. =   3.8 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    GLN A   3       33.88   -151.97                                   
REMARK 500    THR A   5     -105.21   -147.96                                   
REMARK 500    ARG A   7      103.34    -49.63                                   
REMARK 500    MET A  32      127.05    -21.81                                   
REMARK 500    PRO A  37      -38.51    -11.76                                   
REMARK 500    LEU A  62      -78.56    -81.87                                   
REMARK 500    THR A  67     -146.27   -124.19                                   
REMARK 500    MET A  68       56.98   -155.15                                   
REMARK 500    GLU A  74     -176.28    179.85                                   
REMARK 500    TYR A  79       69.85   -101.81                                   
REMARK 500    ASP A 102       79.96     81.13                                   
REMARK 500    ALA A 103     -131.64    -93.16                                   
REMARK 500    GLN A 105      -62.27    -23.65                                   
REMARK 500    THR A 128      -35.46    -36.18                                   
REMARK 500    LYS A 129      173.12     70.48                                   
REMARK 500    VAL A 130       77.70     51.41                                   
REMARK 500    TYR A 131      -32.97    -38.98                                   
REMARK 500    ALA A 160       -9.02    -51.64                                   
REMARK 500    SER A 193     -170.04     57.24                                   
REMARK 500    ILE A 229       52.54    -95.92                                   
REMARK 500    PHE A 230      139.45    -27.90                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1AT9 A    2   248  UNP    P02945   BACR_HALHA      15    261             
SEQRES   1 A  248  PCA ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU          
SEQRES   2 A  248  ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR          
SEQRES   3 A  248  PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA          
SEQRES   4 A  248  LYS LYS PHE TYR ALA ILE THR THR LEU VAL PRO ALA ILE          
SEQRES   5 A  248  ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY          
SEQRES   6 A  248  LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE          
SEQRES   7 A  248  TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO          
SEQRES   8 A  248  LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP          
SEQRES   9 A  248  GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE          
SEQRES  10 A  248  MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL          
SEQRES  11 A  248  TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA          
SEQRES  12 A  248  ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE          
SEQRES  13 A  248  THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER          
SEQRES  14 A  248  THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP          
SEQRES  15 A  248  SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY          
SEQRES  16 A  248  ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE          
SEQRES  17 A  248  MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU          
SEQRES  18 A  248  ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU          
SEQRES  19 A  248  ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR          
SEQRES  20 A  248  SER                                                          
HET    RET  A 249A     20                                                       
HETNAM     RET RETINAL                                                          
FORMUL   2  RET    C20 H28 O                                                    
HELIX    1   A GLU A    9  GLY A   31  1                                  23    
HELIX    2   B PRO A   37  LEU A   62  1                                  26    
HELIX    3   C TRP A   80  LEU A  100  1                                  21    
HELIX    4   D GLY A  106  ALA A  126  1                                  21    
HELIX    5   E TYR A  131  GLY A  155  1                                  25    
HELIX    6   F PRO A  165  ILE A  191  1                                  27    
HELIX    7   G LEU A  201  LEU A  224  1                                  24    
SHEET    1   A 2 GLY A  65  PHE A  71  0                                        
SHEET    2   A 2 GLU A  74  TRP A  80 -1  N  TRP A  80   O  GLY A  65           
LINK         C15 RET A 249A                NZ  LYS A 216     1555   1555  1.34  
CRYST1   62.450   62.450  100.000  90.00  90.00 120.00 P 3           3          
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      0.016013  0.009245  0.000000        0.00000                         
SCALE2      0.000000  0.018490  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010000        0.00000