PDB Short entry for 1TN0
HEADER    MEMBRANE PROTEIN                        11-JUN-04   1TN0              
TITLE     STRUCTURE OF BACTERORHODOPSIN MUTANT A51P                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BACTERIORHODOPSIN;                                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: BR;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HALOBACTERIUM SALINARUM;                        
SOURCE   3 ORGANISM_TAXID: 2242;                                                
SOURCE   4 GENE: BOP, VNG1467G;                                                 
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    BACTERIORHODOPSIN, BICELLE, MEMBRANE PROTEIN                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.YOHANNAN,D.YANG,S.FAHAM,G.BOULTING,J.WHITELEGGE,J.U.BOWIE           
REVDAT   7   23-AUG-23 1TN0    1       REMARK                                   
REVDAT   6   27-OCT-21 1TN0    1       REMARK SEQADV LINK                       
REVDAT   5   31-JAN-18 1TN0    1       REMARK                                   
REVDAT   4   24-JAN-18 1TN0    1       AUTHOR                                   
REVDAT   3   01-FEB-17 1TN0    1       AUTHOR VERSN                             
REVDAT   2   24-FEB-09 1TN0    1       VERSN                                    
REVDAT   1   12-OCT-04 1TN0    0                                                
JRNL        AUTH   S.YOHANNAN,D.YANG,S.FAHAM,G.BOULTING,J.WHITELEGGE,J.U.BOWIE  
JRNL        TITL   PROLINE SUBSTITUTIONS ARE NOT EASILY ACCOMMODATED IN A       
JRNL        TITL 2 MEMBRANE PROTEIN                                             
JRNL        REF    J.MOL.BIOL.                   V. 341     1 2004              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   15312757                                                     
JRNL        DOI    10.1016/J.JMB.2004.06.025                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
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             : 16700                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : SHELLS                          
REMARK   3   R VALUE            (WORKING SET) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 883                             
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            : 3516                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 40                                      
REMARK   3   SOLVENT ATOMS            : 60                                      
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) : -4.39500                                             
REMARK   3    B22 (A**2) : -2.06400                                             
REMARK   3    B33 (A**2) : 6.45900                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 2.18500                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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) : 0.011                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : 0.41                                                 
REMARK   3   BSOL        : 106.8                                                
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  : CNS_TOPPAR:PROTEIN_REP.PARAM                   
REMARK   3  PARAMETER FILE  2  : CNS_TOPPAR:WATER.PARAM                         
REMARK   3  PARAMETER FILE  3  : RET.PAR                                        
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1TN0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUN-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022774.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-NOV-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17012                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1PY6                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.01                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE, HEXANEDIOL,            
REMARK 280  DMPC/CHAPSO, PH 4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE       
REMARK 280  310K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       54.29100            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     GLN A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     ILE A     4                                                      
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 465     ASP A   249                                                      
REMARK 465     GLN B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     GLN B     3                                                      
REMARK 465     ILE B     4                                                      
REMARK 465     GLU B   232                                                      
REMARK 465     ALA B   233                                                      
REMARK 465     GLU B   234                                                      
REMARK 465     ALA B   235                                                      
REMARK 465     PRO B   236                                                      
REMARK 465     GLU B   237                                                      
REMARK 465     PRO B   238                                                      
REMARK 465     SER B   239                                                      
REMARK 465     ALA B   240                                                      
REMARK 465     GLY B   241                                                      
REMARK 465     ASP B   242                                                      
REMARK 465     GLY B   243                                                      
REMARK 465     ALA B   244                                                      
REMARK 465     ALA B   245                                                      
REMARK 465     ALA B   246                                                      
REMARK 465     THR B   247                                                      
REMARK 465     SER B   248                                                      
REMARK 465     ASP B   249                                                      
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    PHE A  71      144.74    173.28                                   
REMARK 500    LYS A 216      -69.15   -108.06                                   
REMARK 500    PRO B   8      -39.93    -39.65                                   
REMARK 500    PHE B  71      147.51    174.77                                   
REMARK 500    LYS B 216      -67.73   -108.84                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 ATOM O1 OF RETINAL MISSING DUE TO COVALENT                           
REMARK 600 BOND WITH RESIDUE 216 OF BACTERIORHODOPSIN                           
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 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RET B 301                 
DBREF  1TN0 A    1   249  UNP    P02945   BACR_HALN1      14    262             
DBREF  1TN0 B    1   249  UNP    P02945   BACR_HALN1      14    262             
SEQADV 1TN0 PRO A   51  UNP  P02945    ALA    64 ENGINEERED MUTATION            
SEQADV 1TN0 PRO B   51  UNP  P02945    ALA    64 ENGINEERED MUTATION            
SEQRES   1 A  249  GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU          
SEQRES   2 A  249  ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR          
SEQRES   3 A  249  PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA          
SEQRES   4 A  249  LYS LYS PHE TYR ALA ILE THR THR LEU VAL PRO PRO ILE          
SEQRES   5 A  249  ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY          
SEQRES   6 A  249  LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE          
SEQRES   7 A  249  TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO          
SEQRES   8 A  249  LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP          
SEQRES   9 A  249  GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE          
SEQRES  10 A  249  MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL          
SEQRES  11 A  249  TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA          
SEQRES  12 A  249  ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE          
SEQRES  13 A  249  THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER          
SEQRES  14 A  249  THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP          
SEQRES  15 A  249  SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY          
SEQRES  16 A  249  ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE          
SEQRES  17 A  249  MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU          
SEQRES  18 A  249  ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU          
SEQRES  19 A  249  ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR          
SEQRES  20 A  249  SER ASP                                                      
SEQRES   1 B  249  GLN ALA GLN ILE THR GLY ARG PRO GLU TRP ILE TRP LEU          
SEQRES   2 B  249  ALA LEU GLY THR ALA LEU MET GLY LEU GLY THR LEU TYR          
SEQRES   3 B  249  PHE LEU VAL LYS GLY MET GLY VAL SER ASP PRO ASP ALA          
SEQRES   4 B  249  LYS LYS PHE TYR ALA ILE THR THR LEU VAL PRO PRO ILE          
SEQRES   5 B  249  ALA PHE THR MET TYR LEU SER MET LEU LEU GLY TYR GLY          
SEQRES   6 B  249  LEU THR MET VAL PRO PHE GLY GLY GLU GLN ASN PRO ILE          
SEQRES   7 B  249  TYR TRP ALA ARG TYR ALA ASP TRP LEU PHE THR THR PRO          
SEQRES   8 B  249  LEU LEU LEU LEU ASP LEU ALA LEU LEU VAL ASP ALA ASP          
SEQRES   9 B  249  GLN GLY THR ILE LEU ALA LEU VAL GLY ALA ASP GLY ILE          
SEQRES  10 B  249  MET ILE GLY THR GLY LEU VAL GLY ALA LEU THR LYS VAL          
SEQRES  11 B  249  TYR SER TYR ARG PHE VAL TRP TRP ALA ILE SER THR ALA          
SEQRES  12 B  249  ALA MET LEU TYR ILE LEU TYR VAL LEU PHE PHE GLY PHE          
SEQRES  13 B  249  THR SER LYS ALA GLU SER MET ARG PRO GLU VAL ALA SER          
SEQRES  14 B  249  THR PHE LYS VAL LEU ARG ASN VAL THR VAL VAL LEU TRP          
SEQRES  15 B  249  SER ALA TYR PRO VAL VAL TRP LEU ILE GLY SER GLU GLY          
SEQRES  16 B  249  ALA GLY ILE VAL PRO LEU ASN ILE GLU THR LEU LEU PHE          
SEQRES  17 B  249  MET VAL LEU ASP VAL SER ALA LYS VAL GLY PHE GLY LEU          
SEQRES  18 B  249  ILE LEU LEU ARG SER ARG ALA ILE PHE GLY GLU ALA GLU          
SEQRES  19 B  249  ALA PRO GLU PRO SER ALA GLY ASP GLY ALA ALA ALA THR          
SEQRES  20 B  249  SER ASP                                                      
HET    RET  A 301      20                                                       
HET    RET  B 301      20                                                       
HETNAM     RET RETINAL                                                          
FORMUL   3  RET    2(C20 H28 O)                                                 
FORMUL   5  HOH   *60(H2 O)                                                     
HELIX    1   1 GLU A    9  MET A   32  1                                  24    
HELIX    2   2 ASP A   36  LEU A   62  1                                  27    
HELIX    3   3 TRP A   80  VAL A  101  1                                  22    
HELIX    4   4 ASP A  104  THR A  128  1                                  25    
HELIX    5   5 VAL A  130  PHE A  154  1                                  25    
HELIX    6   6 PHE A  154  ALA A  160  1                                   7    
HELIX    7   7 GLU A  161  MET A  163  5                                   3    
HELIX    8   8 ARG A  164  GLY A  192  1                                  29    
HELIX    9   9 PRO A  200  ARG A  225  1                                  26    
HELIX   10  10 GLU B    9  MET B   32  1                                  24    
HELIX   11  11 ASP B   36  LEU B   62  1                                  27    
HELIX   12  12 TRP B   80  VAL B  101  1                                  22    
HELIX   13  13 ASP B  104  THR B  128  1                                  25    
HELIX   14  14 VAL B  130  PHE B  154  1                                  25    
HELIX   15  15 PHE B  154  ALA B  160  1                                   7    
HELIX   16  16 GLU B  161  MET B  163  5                                   3    
HELIX   17  17 ARG B  164  GLY B  192  1                                  29    
HELIX   18  18 PRO B  200  ARG B  225  1                                  26    
SHEET    1   A 2 THR A  67  PHE A  71  0                                        
SHEET    2   A 2 GLU A  74  ILE A  78 -1  O  ASN A  76   N  VAL A  69           
SHEET    1   B 2 THR B  67  PHE B  71  0                                        
SHEET    2   B 2 GLU B  74  ILE B  78 -1  O  ASN B  76   N  VAL B  69           
LINK         NZ  LYS A 216                 C15 RET A 301     1555   1555  1.31  
LINK         NZ  LYS B 216                 C15 RET B 301     1555   1555  1.31  
SITE     1 AC1 12 TRP A  86  THR A  89  THR A  90  LEU A  93                    
SITE     2 AC1 12 TRP A 138  SER A 141  THR A 142  TRP A 182                    
SITE     3 AC1 12 TYR A 185  PRO A 186  TRP A 189  LYS A 216                    
SITE     1 AC2 12 TRP B  86  THR B  89  THR B  90  LEU B  93                    
SITE     2 AC2 12 TRP B 138  SER B 141  THR B 142  TRP B 182                    
SITE     3 AC2 12 TYR B 185  PRO B 186  TRP B 189  LYS B 216                    
CRYST1   45.105  108.582   55.821  90.00 113.74  90.00 P 1 21 1      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      0.022170  0.000000  0.009751        0.00000                         
SCALE2      0.000000  0.009210  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019570        0.00000