HEADER    MEMBRANE PROTEIN                        21-MAR-18   6CSM              
TITLE     CRYSTAL STRUCTURE OF THE NATURAL LIGHT-GATED ANION CHANNEL GTACR1     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GTACR1;                                                    
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GUILLARDIA THETA CCMP2712;                      
SOURCE   3 ORGANISM_TAXID: 905079;                                              
SOURCE   4 GENE: GUITHDRAFT_111593;                                             
SOURCE   5 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    RHODOPSIN, CHANNELRHODOPSIN, ANION CHANNEL, OPTOGENETICS, MEMBRANE    
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.E.KATO,Y.KIM,K.YAMASHITA,B.K.KOBILKA,K.DEISSEROTH                   
REVDAT   6   30-OCT-24 6CSM    1       REMARK                                   
REVDAT   5   04-OCT-23 6CSM    1       REMARK                                   
REVDAT   4   27-NOV-19 6CSM    1       REMARK                                   
REVDAT   3   03-OCT-18 6CSM    1       JRNL                                     
REVDAT   2   12-SEP-18 6CSM    1       JRNL   REMARK                            
REVDAT   1   05-SEP-18 6CSM    0                                                
JRNL        AUTH   H.E.KATO,Y.S.KIM,J.M.PAGGI,K.E.EVANS,W.E.ALLEN,C.RICHARDSON, 
JRNL        AUTH 2 K.INOUE,S.ITO,C.RAMAKRISHNAN,L.E.FENNO,K.YAMASHITA,D.HILGER, 
JRNL        AUTH 3 S.Y.LEE,A.BERNDT,K.SHEN,H.KANDORI,R.O.DROR,B.K.KOBILKA,      
JRNL        AUTH 4 K.DEISSEROTH                                                 
JRNL        TITL   STRUCTURAL MECHANISMS OF SELECTIVITY AND GATING IN ANION     
JRNL        TITL 2 CHANNELRHODOPSINS.                                           
JRNL        REF    NATURE                        V. 561   349 2018              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   30158697                                                     
JRNL        DOI    10.1038/S41586-018-0504-5                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.11.1_2575                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.17                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 33037                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.255                           
REMARK   3   R VALUE            (WORKING SET) : 0.253                           
REMARK   3   FREE R VALUE                     : 0.286                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.990                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1650                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 45.1719 -  6.6330    0.98     2655   142  0.1972 0.2438        
REMARK   3     2  6.6330 -  5.2674    1.00     2643   140  0.2371 0.2468        
REMARK   3     3  5.2674 -  4.6023    1.00     2650   139  0.2178 0.2731        
REMARK   3     4  4.6023 -  4.1818    1.00     2624   138  0.2098 0.2267        
REMARK   3     5  4.1818 -  3.8823    1.00     2651   140  0.2389 0.2652        
REMARK   3     6  3.8823 -  3.6535    1.00     2627   138  0.2520 0.3067        
REMARK   3     7  3.6535 -  3.4706    1.00     2634   140  0.2947 0.3482        
REMARK   3     8  3.4706 -  3.3196    1.00     2626   136  0.3114 0.3424        
REMARK   3     9  3.3196 -  3.1918    1.00     2621   140  0.3175 0.3541        
REMARK   3    10  3.1918 -  3.0817    0.99     2625   137  0.3304 0.3778        
REMARK   3    11  3.0817 -  2.9853    0.97     2517   131  0.3554 0.3404        
REMARK   3    12  2.9853 -  2.9000    0.94     2514   129  0.3631 0.3521        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.480            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 34.100           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 59.86                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 58.83                          
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.002           9030                                  
REMARK   3   ANGLE     :  0.557          12292                                  
REMARK   3   CHIRALITY :  0.040           1401                                  
REMARK   3   PLANARITY :  0.003           1464                                  
REMARK   3   DIHEDRAL  : 10.685           5275                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : 1                                           
REMARK   3   NCS GROUP : 1                                                      
REMARK   3    NCS OPERATOR : 1                                                  
REMARK   3     REFERENCE SELECTION: (CHAIN A AND RESID 4 THROUGH 273)           
REMARK   3     SELECTION          : (CHAIN B AND (RESID 4 THROUGH 262 OR        
REMARK   3                          (RESID 263 AND (NAME N OR NAME CA OR NAME   
REMARK   3                          C OR NAME O OR NAME CB )) OR RESID 264      
REMARK   3                          THROUGH 273))                               
REMARK   3     ATOM PAIRS NUMBER  : 5046                                        
REMARK   3     RMSD               : NULL                                        
REMARK   3    NCS OPERATOR : 2                                                  
REMARK   3     REFERENCE SELECTION: (CHAIN A AND RESID 4 THROUGH 273)           
REMARK   3     SELECTION          : (CHAIN C AND (RESID 4 THROUGH 262 OR        
REMARK   3                          (RESID 263 AND (NAME N OR NAME CA OR NAME   
REMARK   3                          C OR NAME O OR NAME CB )) OR RESID 264      
REMARK   3                          THROUGH 273))                               
REMARK   3     ATOM PAIRS NUMBER  : 5046                                        
REMARK   3     RMSD               : NULL                                        
REMARK   3    NCS OPERATOR : 3                                                  
REMARK   3     REFERENCE SELECTION: (CHAIN A AND RESID 4 THROUGH 273)           
REMARK   3     SELECTION          : (CHAIN D AND (RESID 4 THROUGH 262 OR        
REMARK   3                          (RESID 263 AND (NAME N OR NAME CA OR NAME   
REMARK   3                          C OR NAME O OR NAME CB )) OR RESID 264      
REMARK   3                          THROUGH 273))                               
REMARK   3     ATOM PAIRS NUMBER  : 5046                                        
REMARK   3     RMSD               : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6CSM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUN-18.                  
REMARK 100 THE DEPOSITION ID IS D_1000233324.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-JUN-17; 22-NOV-16               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : APS; APS                           
REMARK 200  BEAMLINE                       : 23-ID-B; 23-ID-D                   
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0332; 1.0332                     
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL; PIXEL                       
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER X 16M; DECTRIS       
REMARK 200                                   PILATUS 6M                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33398                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.166                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 14.52                              
REMARK 200  R MERGE                    (I) : 0.73600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 3.6900                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.08                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 13.79                              
REMARK 200  R MERGE FOR SHELL          (I) : 5.49600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 0.570                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MORDA                                                 
REMARK 200 STARTING MODEL: 3UG9                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.78                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10-12% (W/V) POLYPROPYLENE GLYCOL P      
REMARK 280  400 (PPG P400), 100 MM MES PH 6.0, 100 MM POTASSIUM FORMATE, 1-3%   
REMARK 280  1-BUTANOL., LIPIDIC CUBIC PHASE, TEMPERATURE 293K                   
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       75.01500            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6460 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23760 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5900 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24400 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
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     LEU A   279                                                      
REMARK 465     GLU A   280                                                      
REMARK 465     GLU B   274                                                      
REMARK 465     TYR B   275                                                      
REMARK 465     GLU B   276                                                      
REMARK 465     GLN B   277                                                      
REMARK 465     ASP B   278                                                      
REMARK 465     LEU B   279                                                      
REMARK 465     GLU B   280                                                      
REMARK 465     GLU C   274                                                      
REMARK 465     TYR C   275                                                      
REMARK 465     GLU C   276                                                      
REMARK 465     GLN C   277                                                      
REMARK 465     ASP C   278                                                      
REMARK 465     LEU C   279                                                      
REMARK 465     GLU C   280                                                      
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 470     LYS A 263    CG   CD   CE   NZ                                   
REMARK 470     ILE B   4    CG1  CG2  CD1                                       
REMARK 470     ILE C   4    CG1  CG2  CD1                                       
REMARK 470     ILE D   4    CG1  CG2  CD1                                       
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    PHE B   178     OG   SER B   186              2.11            
REMARK 500   O    PHE D   178     OG   SER D   186              2.12            
REMARK 500   OH   TYR C   207     OD1  ASP C   234              2.19            
REMARK 500   OG   SER B   183     O    ARG B   265              2.19            
REMARK 500   OG   SER A   183     O    ARG A   265              2.19            
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    ASN A  18       66.83   -115.31                                   
REMARK 500    ARG A  53       46.48    -88.46                                   
REMARK 500    PRO A  91       78.53    -66.65                                   
REMARK 500    LYS A 118     -107.82     56.86                                   
REMARK 500    LEU A 253     -159.98    -96.77                                   
REMARK 500    TRP A 257       70.11    -66.93                                   
REMARK 500    LEU A 271      157.48     67.07                                   
REMARK 500    GLU A 274       23.75   -173.98                                   
REMARK 500    GLU A 276       48.18     20.03                                   
REMARK 500    ASN B  18       65.20   -115.13                                   
REMARK 500    ARG B  53       46.37    -88.80                                   
REMARK 500    PRO B  91       79.09    -67.35                                   
REMARK 500    LYS B 118     -108.73     58.44                                   
REMARK 500    LEU B 253     -159.56    -98.46                                   
REMARK 500    TRP B 257       69.33    -68.30                                   
REMARK 500    LYS B 263       98.43    -62.37                                   
REMARK 500    ASN C  18       62.92   -113.90                                   
REMARK 500    ARG C  53       46.66    -88.60                                   
REMARK 500    PRO C  91       78.77    -66.41                                   
REMARK 500    LYS C 118     -108.06     58.07                                   
REMARK 500    TRP C 257       71.92    -67.82                                   
REMARK 500    LEU C 271      146.66    -33.86                                   
REMARK 500    ASN D  18       66.73   -116.31                                   
REMARK 500    ARG D  53       46.84    -88.85                                   
REMARK 500    PRO D  91       78.73    -66.50                                   
REMARK 500    LYS D 118     -109.15     57.93                                   
REMARK 500    TRP D 257       71.37    -66.02                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     OLA A  402                                                       
REMARK 610     OLA A  403                                                       
REMARK 610     OLA B  402                                                       
REMARK 610     OLA C  402                                                       
REMARK 610     OLA D  402                                                       
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 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue OLA A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue OLA A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue OLA B 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue OLA C 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue OLA D 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide RET B 401 and LYS B    
REMARK 800  238                                                                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide RET C 401 and LYS C    
REMARK 800  238                                                                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide RET D 401 and LYS D    
REMARK 800  238                                                                 
DBREF  6CSM A    4   280  UNP    L1J207   L1J207_GUITH     4    280             
DBREF  6CSM B    4   280  UNP    L1J207   L1J207_GUITH     4    280             
DBREF  6CSM C    4   280  UNP    L1J207   L1J207_GUITH     4    280             
DBREF  6CSM D    4   280  UNP    L1J207   L1J207_GUITH     4    280             
SEQRES   1 A  277  ILE THR CYS ASP PRO ALA ILE TYR GLY GLU TRP SER ARG          
SEQRES   2 A  277  GLU ASN GLN PHE CYS VAL GLU LYS SER LEU ILE THR LEU          
SEQRES   3 A  277  ASP GLY ILE LYS TYR VAL GLN LEU VAL MET ALA VAL VAL          
SEQRES   4 A  277  SER ALA CYS GLN VAL PHE PHE MET VAL THR ARG ALA PRO          
SEQRES   5 A  277  LYS VAL PRO TRP GLU ALA ILE TYR LEU PRO THR THR GLU          
SEQRES   6 A  277  MET ILE THR TYR SER LEU ALA PHE THR GLY ASN GLY TYR          
SEQRES   7 A  277  ILE ARG VAL ALA ASN GLY LYS TYR LEU PRO TRP ALA ARG          
SEQRES   8 A  277  MET ALA SER TRP LEU CYS THR CYS PRO ILE MET LEU GLY          
SEQRES   9 A  277  LEU VAL SER ASN MET ALA LEU VAL LYS TYR LYS SER ILE          
SEQRES  10 A  277  PRO LEU ASN PRO MET MET ILE ALA ALA SER SER ILE CYS          
SEQRES  11 A  277  THR VAL PHE GLY ILE THR ALA SER VAL VAL LEU ASP PRO          
SEQRES  12 A  277  LEU HIS VAL TRP LEU TYR CYS PHE ILE SER SER ILE PHE          
SEQRES  13 A  277  PHE ILE PHE GLU MET VAL VAL ALA PHE ALA ILE PHE ALA          
SEQRES  14 A  277  ILE THR ILE HIS ASP PHE GLN THR ILE GLY SER PRO MET          
SEQRES  15 A  277  SER LEU LYS VAL VAL GLU ARG LEU LYS LEU MET ARG ILE          
SEQRES  16 A  277  VAL PHE TYR VAL SER TRP MET ALA TYR PRO ILE LEU TRP          
SEQRES  17 A  277  SER PHE SER SER THR GLY ALA CYS ILE MET SER GLU ASN          
SEQRES  18 A  277  THR SER SER VAL LEU TYR LEU LEU GLY ASP ALA LEU CYS          
SEQRES  19 A  277  LYS ASN THR TYR GLY ILE LEU LEU TRP ALA THR THR TRP          
SEQRES  20 A  277  GLY LEU LEU ASN GLY LYS TRP ASP ARG ASP TYR VAL LYS          
SEQRES  21 A  277  GLY ARG ASN VAL ASP GLY THR LEU MET PRO GLU TYR GLU          
SEQRES  22 A  277  GLN ASP LEU GLU                                              
SEQRES   1 B  277  ILE THR CYS ASP PRO ALA ILE TYR GLY GLU TRP SER ARG          
SEQRES   2 B  277  GLU ASN GLN PHE CYS VAL GLU LYS SER LEU ILE THR LEU          
SEQRES   3 B  277  ASP GLY ILE LYS TYR VAL GLN LEU VAL MET ALA VAL VAL          
SEQRES   4 B  277  SER ALA CYS GLN VAL PHE PHE MET VAL THR ARG ALA PRO          
SEQRES   5 B  277  LYS VAL PRO TRP GLU ALA ILE TYR LEU PRO THR THR GLU          
SEQRES   6 B  277  MET ILE THR TYR SER LEU ALA PHE THR GLY ASN GLY TYR          
SEQRES   7 B  277  ILE ARG VAL ALA ASN GLY LYS TYR LEU PRO TRP ALA ARG          
SEQRES   8 B  277  MET ALA SER TRP LEU CYS THR CYS PRO ILE MET LEU GLY          
SEQRES   9 B  277  LEU VAL SER ASN MET ALA LEU VAL LYS TYR LYS SER ILE          
SEQRES  10 B  277  PRO LEU ASN PRO MET MET ILE ALA ALA SER SER ILE CYS          
SEQRES  11 B  277  THR VAL PHE GLY ILE THR ALA SER VAL VAL LEU ASP PRO          
SEQRES  12 B  277  LEU HIS VAL TRP LEU TYR CYS PHE ILE SER SER ILE PHE          
SEQRES  13 B  277  PHE ILE PHE GLU MET VAL VAL ALA PHE ALA ILE PHE ALA          
SEQRES  14 B  277  ILE THR ILE HIS ASP PHE GLN THR ILE GLY SER PRO MET          
SEQRES  15 B  277  SER LEU LYS VAL VAL GLU ARG LEU LYS LEU MET ARG ILE          
SEQRES  16 B  277  VAL PHE TYR VAL SER TRP MET ALA TYR PRO ILE LEU TRP          
SEQRES  17 B  277  SER PHE SER SER THR GLY ALA CYS ILE MET SER GLU ASN          
SEQRES  18 B  277  THR SER SER VAL LEU TYR LEU LEU GLY ASP ALA LEU CYS          
SEQRES  19 B  277  LYS ASN THR TYR GLY ILE LEU LEU TRP ALA THR THR TRP          
SEQRES  20 B  277  GLY LEU LEU ASN GLY LYS TRP ASP ARG ASP TYR VAL LYS          
SEQRES  21 B  277  GLY ARG ASN VAL ASP GLY THR LEU MET PRO GLU TYR GLU          
SEQRES  22 B  277  GLN ASP LEU GLU                                              
SEQRES   1 C  277  ILE THR CYS ASP PRO ALA ILE TYR GLY GLU TRP SER ARG          
SEQRES   2 C  277  GLU ASN GLN PHE CYS VAL GLU LYS SER LEU ILE THR LEU          
SEQRES   3 C  277  ASP GLY ILE LYS TYR VAL GLN LEU VAL MET ALA VAL VAL          
SEQRES   4 C  277  SER ALA CYS GLN VAL PHE PHE MET VAL THR ARG ALA PRO          
SEQRES   5 C  277  LYS VAL PRO TRP GLU ALA ILE TYR LEU PRO THR THR GLU          
SEQRES   6 C  277  MET ILE THR TYR SER LEU ALA PHE THR GLY ASN GLY TYR          
SEQRES   7 C  277  ILE ARG VAL ALA ASN GLY LYS TYR LEU PRO TRP ALA ARG          
SEQRES   8 C  277  MET ALA SER TRP LEU CYS THR CYS PRO ILE MET LEU GLY          
SEQRES   9 C  277  LEU VAL SER ASN MET ALA LEU VAL LYS TYR LYS SER ILE          
SEQRES  10 C  277  PRO LEU ASN PRO MET MET ILE ALA ALA SER SER ILE CYS          
SEQRES  11 C  277  THR VAL PHE GLY ILE THR ALA SER VAL VAL LEU ASP PRO          
SEQRES  12 C  277  LEU HIS VAL TRP LEU TYR CYS PHE ILE SER SER ILE PHE          
SEQRES  13 C  277  PHE ILE PHE GLU MET VAL VAL ALA PHE ALA ILE PHE ALA          
SEQRES  14 C  277  ILE THR ILE HIS ASP PHE GLN THR ILE GLY SER PRO MET          
SEQRES  15 C  277  SER LEU LYS VAL VAL GLU ARG LEU LYS LEU MET ARG ILE          
SEQRES  16 C  277  VAL PHE TYR VAL SER TRP MET ALA TYR PRO ILE LEU TRP          
SEQRES  17 C  277  SER PHE SER SER THR GLY ALA CYS ILE MET SER GLU ASN          
SEQRES  18 C  277  THR SER SER VAL LEU TYR LEU LEU GLY ASP ALA LEU CYS          
SEQRES  19 C  277  LYS ASN THR TYR GLY ILE LEU LEU TRP ALA THR THR TRP          
SEQRES  20 C  277  GLY LEU LEU ASN GLY LYS TRP ASP ARG ASP TYR VAL LYS          
SEQRES  21 C  277  GLY ARG ASN VAL ASP GLY THR LEU MET PRO GLU TYR GLU          
SEQRES  22 C  277  GLN ASP LEU GLU                                              
SEQRES   1 D  277  ILE THR CYS ASP PRO ALA ILE TYR GLY GLU TRP SER ARG          
SEQRES   2 D  277  GLU ASN GLN PHE CYS VAL GLU LYS SER LEU ILE THR LEU          
SEQRES   3 D  277  ASP GLY ILE LYS TYR VAL GLN LEU VAL MET ALA VAL VAL          
SEQRES   4 D  277  SER ALA CYS GLN VAL PHE PHE MET VAL THR ARG ALA PRO          
SEQRES   5 D  277  LYS VAL PRO TRP GLU ALA ILE TYR LEU PRO THR THR GLU          
SEQRES   6 D  277  MET ILE THR TYR SER LEU ALA PHE THR GLY ASN GLY TYR          
SEQRES   7 D  277  ILE ARG VAL ALA ASN GLY LYS TYR LEU PRO TRP ALA ARG          
SEQRES   8 D  277  MET ALA SER TRP LEU CYS THR CYS PRO ILE MET LEU GLY          
SEQRES   9 D  277  LEU VAL SER ASN MET ALA LEU VAL LYS TYR LYS SER ILE          
SEQRES  10 D  277  PRO LEU ASN PRO MET MET ILE ALA ALA SER SER ILE CYS          
SEQRES  11 D  277  THR VAL PHE GLY ILE THR ALA SER VAL VAL LEU ASP PRO          
SEQRES  12 D  277  LEU HIS VAL TRP LEU TYR CYS PHE ILE SER SER ILE PHE          
SEQRES  13 D  277  PHE ILE PHE GLU MET VAL VAL ALA PHE ALA ILE PHE ALA          
SEQRES  14 D  277  ILE THR ILE HIS ASP PHE GLN THR ILE GLY SER PRO MET          
SEQRES  15 D  277  SER LEU LYS VAL VAL GLU ARG LEU LYS LEU MET ARG ILE          
SEQRES  16 D  277  VAL PHE TYR VAL SER TRP MET ALA TYR PRO ILE LEU TRP          
SEQRES  17 D  277  SER PHE SER SER THR GLY ALA CYS ILE MET SER GLU ASN          
SEQRES  18 D  277  THR SER SER VAL LEU TYR LEU LEU GLY ASP ALA LEU CYS          
SEQRES  19 D  277  LYS ASN THR TYR GLY ILE LEU LEU TRP ALA THR THR TRP          
SEQRES  20 D  277  GLY LEU LEU ASN GLY LYS TRP ASP ARG ASP TYR VAL LYS          
SEQRES  21 D  277  GLY ARG ASN VAL ASP GLY THR LEU MET PRO GLU TYR GLU          
SEQRES  22 D  277  GLN ASP LEU GLU                                              
HET    RET  A 401      20                                                       
HET    OLA  A 402      16                                                       
HET    OLA  A 403      16                                                       
HET    RET  B 401      20                                                       
HET    OLA  B 402      19                                                       
HET    RET  C 401      20                                                       
HET    OLA  C 402      16                                                       
HET    RET  D 401      20                                                       
HET    OLA  D 402      17                                                       
HETNAM     RET RETINAL                                                          
HETNAM     OLA OLEIC ACID                                                       
FORMUL   5  RET    4(C20 H28 O)                                                 
FORMUL   6  OLA    5(C18 H34 O2)                                                
FORMUL  14  HOH   *4(H2 O)                                                      
HELIX    1 AA1 GLY A   12  ASN A   18  1                                   7    
HELIX    2 AA2 ASN A   18  LYS A   24  1                                   7    
HELIX    3 AA3 LEU A   29  ARG A   53  1                                  25    
HELIX    4 AA4 TRP A   59  THR A   77  1                                  19    
HELIX    5 AA5 TRP A   92  ASN A  111  1                                  20    
HELIX    6 AA6 LEU A  122  SER A  141  1                                  20    
HELIX    7 AA7 ASP A  145  ILE A  181  1                                  37    
HELIX    8 AA8 SER A  183  MET A  205  1                                  23    
HELIX    9 AA9 MET A  205  SER A  214  1                                  10    
HELIX   10 AB1 SER A  222  LYS A  238  1                                  17    
HELIX   11 AB2 ASN A  239  TRP A  250  1                                  12    
HELIX   12 AB3 GLY B   12  ASN B   18  1                                   7    
HELIX   13 AB4 ASN B   18  GLU B   23  1                                   6    
HELIX   14 AB5 LEU B   29  ARG B   53  1                                  25    
HELIX   15 AB6 TRP B   59  THR B   77  1                                  19    
HELIX   16 AB7 TRP B   92  ASN B  111  1                                  20    
HELIX   17 AB8 LEU B  122  SER B  141  1                                  20    
HELIX   18 AB9 ASP B  145  ILE B  181  1                                  37    
HELIX   19 AC1 SER B  183  MET B  205  1                                  23    
HELIX   20 AC2 MET B  205  SER B  214  1                                  10    
HELIX   21 AC3 SER B  222  LYS B  238  1                                  17    
HELIX   22 AC4 ASN B  239  TRP B  250  1                                  12    
HELIX   23 AC5 GLY C   12  ASN C   18  1                                   7    
HELIX   24 AC6 ASN C   18  LYS C   24  1                                   7    
HELIX   25 AC7 LEU C   29  ARG C   53  1                                  25    
HELIX   26 AC8 TRP C   59  THR C   77  1                                  19    
HELIX   27 AC9 TRP C   92  ASN C  111  1                                  20    
HELIX   28 AD1 LEU C  122  SER C  141  1                                  20    
HELIX   29 AD2 ASP C  145  ILE C  181  1                                  37    
HELIX   30 AD3 SER C  183  MET C  205  1                                  23    
HELIX   31 AD4 MET C  205  SER C  214  1                                  10    
HELIX   32 AD5 SER C  222  LYS C  238  1                                  17    
HELIX   33 AD6 ASN C  239  TRP C  250  1                                  12    
HELIX   34 AD7 GLY D   12  ASN D   18  1                                   7    
HELIX   35 AD8 ASN D   18  GLU D   23  1                                   6    
HELIX   36 AD9 LEU D   29  ARG D   53  1                                  25    
HELIX   37 AE1 TRP D   59  THR D   77  1                                  19    
HELIX   38 AE2 TRP D   92  ASN D  111  1                                  20    
HELIX   39 AE3 LEU D  122  SER D  141  1                                  20    
HELIX   40 AE4 ASP D  145  ILE D  181  1                                  37    
HELIX   41 AE5 SER D  183  MET D  205  1                                  23    
HELIX   42 AE6 MET D  205  SER D  214  1                                  10    
HELIX   43 AE7 SER D  222  LYS D  238  1                                  17    
HELIX   44 AE8 ASN D  239  TRP D  250  1                                  12    
SHEET    1 AA1 2 TYR A  81  ARG A  83  0                                        
SHEET    2 AA1 2 TYR A  89  PRO A  91 -1  O  LEU A  90   N  ILE A  82           
SHEET    1 AA2 2 LYS A 116  TYR A 117  0                                        
SHEET    2 AA2 2 ILE A 120  PRO A 121 -1  O  ILE A 120   N  TYR A 117           
SHEET    1 AA3 2 TYR B  81  ARG B  83  0                                        
SHEET    2 AA3 2 TYR B  89  PRO B  91 -1  O  LEU B  90   N  ILE B  82           
SHEET    1 AA4 2 LYS B 116  TYR B 117  0                                        
SHEET    2 AA4 2 ILE B 120  PRO B 121 -1  O  ILE B 120   N  TYR B 117           
SHEET    1 AA5 2 TYR C  81  ARG C  83  0                                        
SHEET    2 AA5 2 TYR C  89  PRO C  91 -1  O  LEU C  90   N  ILE C  82           
SHEET    1 AA6 2 LYS C 116  TYR C 117  0                                        
SHEET    2 AA6 2 ILE C 120  PRO C 121 -1  O  ILE C 120   N  TYR C 117           
SHEET    1 AA7 2 TYR D  81  ARG D  83  0                                        
SHEET    2 AA7 2 TYR D  89  PRO D  91 -1  O  LEU D  90   N  ILE D  82           
SHEET    1 AA8 2 LYS D 116  TYR D 117  0                                        
SHEET    2 AA8 2 ILE D 120  PRO D 121 -1  O  ILE D 120   N  TYR D 117           
SSBOND   1 CYS A    6    CYS B    6                          1555   1555  2.03  
SSBOND   2 CYS A   21    CYS A  219                          1555   1555  2.03  
SSBOND   3 CYS B   21    CYS B  219                          1555   1555  2.03  
SSBOND   4 CYS C    6    CYS D    6                          1555   1555  2.03  
SSBOND   5 CYS C   21    CYS C  219                          1555   1555  2.03  
SSBOND   6 CYS D   21    CYS D  219                          1555   1555  2.03  
LINK         NZ  LYS A 238                 C15 RET A 401     1555   1555  1.47  
LINK         NZ  LYS B 238                 C15 RET B 401     1555   1555  1.47  
LINK         NZ  LYS C 238                 C15 RET C 401     1555   1555  1.47  
LINK         NZ  LYS D 238                 C15 RET D 401     1555   1555  1.47  
SITE     1 AC1 13 TRP A  98  CYS A 102  MET A 105  CYS A 133                    
SITE     2 AC1 13 SER A 156  PHE A 160  TRP A 204  TYR A 207                    
SITE     3 AC1 13 PRO A 208  TRP A 211  ASP A 234  CYS A 237                    
SITE     4 AC1 13 LYS A 238                                                     
SITE     1 AC2  7 PHE A  48  THR A  52  ARG A  53  VAL B  42                    
SITE     2 AC2  7 GLN B  46  PHE B  49  ALA B 247                               
SITE     1 AC3  7 THR A  67  LEU A  74  GLY A  80  TRP A  92                    
SITE     2 AC3  7 ILE B 132  THR B 139  TYR B 152                               
SITE     1 AC4  9 ILE A 132  VAL A 135  THR A 139  TYR A 152                    
SITE     2 AC4  9 TYR B  63  THR B  67  GLY B  80  ILE B  82                    
SITE     3 AC4  9 SER B  97                                                     
SITE     1 AC5  3 TYR C 152  THR D  67  TRP D  92                               
SITE     1 AC6  5 TYR C  63  TRP C  92  ILE D 132  THR D 139                    
SITE     2 AC6  5 TYR D 152                                                     
SITE     1 AC7 16 GLU B  68  TRP B  98  THR B 101  CYS B 102                    
SITE     2 AC7 16 MET B 105  CYS B 133  GLY B 137  SER B 156                    
SITE     3 AC7 16 PHE B 160  TYR B 207  PRO B 208  TRP B 211                    
SITE     4 AC7 16 ASP B 234  LEU B 236  CYS B 237  ASN B 239                    
SITE     1 AC8 15 GLU C  68  TRP C  98  THR C 101  CYS C 102                    
SITE     2 AC8 15 MET C 105  CYS C 133  SER C 156  PHE C 160                    
SITE     3 AC8 15 TYR C 207  PRO C 208  TRP C 211  ASP C 234                    
SITE     4 AC8 15 LEU C 236  CYS C 237  ASN C 239                               
SITE     1 AC9 15 TRP D  98  CYS D 102  MET D 105  CYS D 133                    
SITE     2 AC9 15 GLY D 137  SER D 156  PHE D 160  TYR D 207                    
SITE     3 AC9 15 PRO D 208  TRP D 211  ASP D 234  LEU D 236                    
SITE     4 AC9 15 CYS D 237  ASN D 239  GLY D 242                               
CRYST1   56.780  150.030   90.690  90.00  97.43  90.00 P 1 21 1      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017612  0.000000  0.002297        0.00000                         
SCALE2      0.000000  0.006665  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011120        0.00000