HEADER    PROTON TRANSPORT                        15-JUL-00   1FBB              
TITLE     CRYSTAL STRUCTURE OF NATIVE CONFORMATION OF BACTERIORHODOPSIN         
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                                                 
KEYWDS    PROTON PUMP, MEMBRANE PROTEIN, RETINAL PROTEIN, TWO-DIMENSIONAL       
KEYWDS   2 CRYSTAL ELECTRON DIFFRACTION, SINGLE CRYSTAL, PROTON TRANSPORT       
EXPDTA    ELECTRON CRYSTALLOGRAPHY                                              
AUTHOR    S.SUBRAMANIAM,R.HENDERSON                                             
REVDAT   5   06-NOV-24 1FBB    1       REMARK LINK                              
REVDAT   4   28-FEB-18 1FBB    1       REMARK                                   
REVDAT   3   13-JUL-11 1FBB    1       VERSN                                    
REVDAT   2   24-FEB-09 1FBB    1       VERSN                                    
REVDAT   1   09-AUG-00 1FBB    0                                                
JRNL        AUTH   S.SUBRAMANIAM,R.HENDERSON                                    
JRNL        TITL   MOLECULAR MECHANISM OF VECTORIAL PROTON TRANSLOCATION BY     
JRNL        TITL 2 BACTERIORHODOPSIN.                                           
JRNL        REF    NATURE                        V. 406   653 2000              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   10949309                                                     
JRNL        DOI    10.1038/35020614                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 200.00                         
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)   (%) : 65.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 4749                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.239                           
REMARK   3   FREE R VALUE                     : 0.310                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 514                             
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            : 1733                                    
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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  FOR THE TILT ANGLES USED, THE MAXIMAL POSSIBLE THEORETICAL          
REMARK   3  COMPLETENESS OF                                                     
REMARK   3  THE DATA SET IS ~87%.  THE COMPLETENESS OF OUR DATA IS CLOSE TO     
REMARK   3  THIS LIMIT UP TO                                                    
REMARK   3  3.5 ANGSTROMS.  THE COMPLETENESS DROPS TO 65.1% WHEN ALL OF THE     
REMARK   3  DATA TO 3.2 ANGSTROMS IS INCLUDED.                                  
REMARK   4                                                                      
REMARK   4 1FBB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011455.                                   
REMARK 240                                                                      
REMARK 240 EXPERIMENTAL DETAILS                                                 
REMARK 240   RECONSTRUCTION METHOD          : CRYSTALLOGRAPHY                   
REMARK 240   SAMPLE TYPE                    : 2D ARRAY                          
REMARK 240   SPECIMEN TYPE                  : NULL                              
REMARK 240 DATA ACQUISITION                                                     
REMARK 240   DATE OF DATA COLLECTION        : 01-JAN-86                         
REMARK 240   TEMPERATURE           (KELVIN) : 93.0                              
REMARK 240   PH                             : 7.00                              
REMARK 240   NUMBER OF CRYSTALS USED        : 167                               
REMARK 240   MICROSCOPE MODEL               : SIEMENS SULEIKA                   
REMARK 240   DETECTOR TYPE                  : GENERIC FILM                      
REMARK 240   ACCELERATION VOLTAGE (KV)      : 100                               
REMARK 240   NUMBER OF UNIQUE REFLECTIONS   : 4749                              
REMARK 240   RESOLUTION RANGE HIGH      (A) : 3.200                             
REMARK 240   RESOLUTION RANGE LOW       (A) : 200.000                           
REMARK 240   DATA SCALING SOFTWARE          : MRC ELECTRON DIFFRACTION          
REMARK 240                                    PROGRAMS                          
REMARK 240   COMPLETENESS FOR RANGE     (%) : 65.1                              
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                  : MRC ELECTRON DIFFRACTION          
REMARK 240  PROGRAMS                                                            
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 300 REMARK: TRIMER IS PRESENT IN VIVO                                    
REMARK 300 THE CRYSTALS CONTAIN TRIMERS                                         
REMARK 300 RELATED BY CRYSTAL SYMMETRY P3                                       
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: 6580 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27070 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 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 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     GLN A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     ALA A   228                                                      
REMARK 465     ILE A   229                                                      
REMARK 465     PHE A   230                                                      
REMARK 465     GLY A   231                                                      
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ILE A   4    CG1  CG2  CD1                                       
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    THR A   5       50.44    174.14                                   
REMARK 500    ARG A   7      -46.57   -130.34                                   
REMARK 500    ILE A  11      -81.76    -63.48                                   
REMARK 500    VAL A  29       48.90    -92.51                                   
REMARK 500    LYS A  30       -9.58   -158.70                                   
REMARK 500    VAL A  34      107.27     27.10                                   
REMARK 500    TYR A  43      -71.43    -44.79                                   
REMARK 500    THR A  46        8.77    -55.45                                   
REMARK 500    TYR A  64      -38.45    -22.11                                   
REMARK 500    LEU A  66      173.04    -58.61                                   
REMARK 500    TYR A  79       84.17    -64.02                                   
REMARK 500    TYR A  83      -39.40    -39.96                                   
REMARK 500    ASP A  85      -74.77    -44.59                                   
REMARK 500    LEU A 100      -70.17    -55.98                                   
REMARK 500    VAL A 101       45.77    -75.04                                   
REMARK 500    ASP A 102       73.64      9.89                                   
REMARK 500    MET A 118      -73.09    -61.51                                   
REMARK 500    ALA A 126       35.94    -77.03                                   
REMARK 500    TYR A 150      -71.40    -62.94                                   
REMARK 500    VAL A 151       19.15    -62.82                                   
REMARK 500    PHE A 154      -70.18   -101.44                                   
REMARK 500    PHE A 156      -17.72    -37.81                                   
REMARK 500    SER A 158      -70.78    -54.26                                   
REMARK 500    SER A 162       37.46   -169.18                                   
REMARK 500    MET A 163     -120.03   -150.02                                   
REMARK 500    VAL A 173      -78.71    -46.98                                   
REMARK 500    LEU A 181      -76.19    -40.52                                   
REMARK 500    TYR A 185      -71.00    -53.21                                   
REMARK 500    ILE A 198      -65.87    -96.47                                   
REMARK 500    ILE A 203      -71.16    -85.62                                   
REMARK 500    GLU A 204      -71.91    -18.10                                   
REMARK 500    ASP A 212      -74.40    -69.90                                   
REMARK 500    LEU A 223      -89.21    -54.31                                   
REMARK 500    LEU A 224      -28.77    -30.68                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A  57         0.08    SIDE CHAIN                              
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 RET A 1216                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1FBK   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CYTOPLASMICALLY OPEN CONFORMATION OF            
REMARK 900 BACTERIORHODOPSIN                                                    
DBREF  1FBB A    1   248  UNP    P02945   BACR_HALN1      14    261             
SEQRES   1 A  248  GLN 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  A1216      20                                                       
HETNAM     RET RETINAL                                                          
FORMUL   2  RET    C20 H28 O                                                    
HELIX    1   1 GLU A    9  VAL A   29  1                                  21    
HELIX    2   2 ASP A   36  GLY A   63  1                                  28    
HELIX    3   3 TYR A   79  VAL A  101  1                                  23    
HELIX    4   4 ASP A  104  ALA A  126  1                                  23    
HELIX    5   5 VAL A  130  PHE A  154  1                                  25    
HELIX    6   6 PHE A  154  GLU A  161  1                                   8    
HELIX    7   7 ARG A  164  GLY A  192  1                                  29    
HELIX    8   8 PRO A  200  VAL A  217  1                                  18    
HELIX    9   9 VAL A  217  ARG A  225  1                                   9    
SHEET    1   A 2 MET A  68  PRO A  70  0                                        
SHEET    2   A 2 GLN A  75  PRO A  77 -1  N  ASN A  76   O  VAL A  69           
LINK         NZ  LYS A 216                 C15 RET A1216     1555   1555  1.34  
SITE     1 AC1  5 TRP A  86  TYR A 185  PRO A 186  TRP A 189                    
SITE     2 AC1  5 LYS A 216                                                     
CRYST1   62.450   62.450  100.900  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  0.009911        0.00000