HEADER    MEMBRANE PROTEIN                        05-SEP-18   6ME9              
TITLE     XFEL CRYSTAL STRUCTURE OF HUMAN MELATONIN RECEPTOR MT2 IN COMPLEX WITH
TITLE    2 RAMELTEON                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SOLUBLE CYTOCHROME B562,MELATONIN RECEPTOR TYPE 1B,        
COMPND   3 RUBREDOXIN;                                                          
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 SYNONYM: CYTOCHROME B-562,MEL1B RECEPTOR,RD,MEL1B RECEPTOR;          
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI, HOMO SAPIENS, CLOSTRIDIUM     
SOURCE   3 PASTEURIANUM;                                                        
SOURCE   4 ORGANISM_COMMON: HUMAN;                                              
SOURCE   5 ORGANISM_TAXID: 562, 9606, 1501;                                     
SOURCE   6 GENE: CYBC, MTNR1B;                                                  
SOURCE   7 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108                                        
KEYWDS    GPCR, MELATONIN RECEPTOR TYPE 1B (MT2), MEMBRANE PROTEIN, RAMELTEON,  
KEYWDS   2 XFEL, LCP, BRIL, RUBREDOXIN, CIRCADIAN RHYTHM, JETLAG, TYPE 2        
KEYWDS   3 DIABETES                                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.C.JOHANSSON,B.STAUCH,J.MCCORVY,G.W.HAN,N.PATEL,A.BATYUK,C.GATI,     
AUTHOR   2 C.LI,J.GRANDNER,S.HAO,R.H.J.OLSEN,A.R.TRIBO,S.ZAARE,L.ZHU,           
AUTHOR   3 N.A.ZATSEPIN,U.WEIERSTALL,W.LIU,B.L.ROTH,V.KATRITCH,V.CHEREZOV       
REVDAT   7   30-OCT-24 6ME9    1       REMARK                                   
REVDAT   6   11-OCT-23 6ME9    1       REMARK                                   
REVDAT   5   29-APR-20 6ME9    1       REMARK                                   
REVDAT   4   01-JAN-20 6ME9    1       REMARK                                   
REVDAT   3   22-MAY-19 6ME9    1       JRNL                                     
REVDAT   2   08-MAY-19 6ME9    1       JRNL                                     
REVDAT   1   24-APR-19 6ME9    0                                                
JRNL        AUTH   L.C.JOHANSSON,B.STAUCH,J.D.MCCORVY,G.W.HAN,N.PATEL,          
JRNL        AUTH 2 X.P.HUANG,A.BATYUK,C.GATI,S.T.SLOCUM,C.LI,J.M.GRANDNER,      
JRNL        AUTH 3 S.HAO,R.H.J.OLSEN,A.R.TRIBO,S.ZAARE,L.ZHU,N.A.ZATSEPIN,      
JRNL        AUTH 4 U.WEIERSTALL,S.YOUS,R.C.STEVENS,W.LIU,B.L.ROTH,V.KATRITCH,   
JRNL        AUTH 5 V.CHEREZOV                                                   
JRNL        TITL   XFEL STRUCTURES OF THE HUMAN MT2MELATONIN RECEPTOR REVEAL    
JRNL        TITL 2 THE BASIS OF SUBTYPE SELECTIVITY.                            
JRNL        REF    NATURE                        V. 569   289 2019              
JRNL        REFN                   ESSN 1476-4687                               
JRNL        PMID   31019305                                                     
JRNL        DOI    10.1038/S41586-019-1144-0                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER 2.10.2                                        
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 22122                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.249                          
REMARK   3   R VALUE            (WORKING SET)  : 0.248                          
REMARK   3   FREE R VALUE                      : 0.270                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 5.010                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 1108                           
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : 0.000                          
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : 11                       
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 3.30                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 3.46                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : 100.0                    
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 2938                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.2560                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 2786                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.2560                   
REMARK   3   BIN FREE R VALUE                        : 0.2580                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 5.17                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 152                      
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : 0.000                    
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5965                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 39                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 79.55                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 136.2                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -39.66450                                            
REMARK   3    B22 (A**2) : 35.17850                                             
REMARK   3    B33 (A**2) : 4.48600                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -24.77030                                            
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : 0.830               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : 0.441               
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.882                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.870                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 6154   ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 8493   ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 2585   ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : 84     ; 2.000  ; HARMONIC            
REMARK   3    GENERAL PLANES            : 949    ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 6154   ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : 0      ; 5.000  ; SEMIHARMONIC        
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 893    ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 7168   ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.009                    
REMARK   3    BOND ANGLES                  (DEGREES) : 0.95                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.03                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 2.71                     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6ME9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-SEP-18.                  
REMARK 100 THE DEPOSITION ID IS D_1000236739.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-DEC-17                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : FREE ELECTRON LASER                
REMARK 200  BEAMLINE                       : CXI                                
REMARK 200  X-RAY GENERATOR MODEL          : SLAC LCLS BEAMLINE CXI             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.30                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : CS-PAD CXI-1                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : CRYSTFEL 0.6.3                     
REMARK 200  DATA SCALING SOFTWARE          : CRYSTFEL 0.6.3                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22143                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 22.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 221.1                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 3.6700                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.46                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 84.60                              
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: PHASER                                                
REMARK 200 STARTING MODEL: PDB ID:1IRO                                          
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.19                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.64                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: N-(2-ACETAMIDO)IMINODIACETIC ACID, PEG   
REMARK 280  400, AMMONIUM ACETATE, 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       72.85000            
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 300 REMARK: BIOLOGICAL UNIT IS UNKNOWN                                   
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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     PRO A   329                                                      
REMARK 465     ARG A   330                                                      
REMARK 465     HIS A   331                                                      
REMARK 465     CYS A   332                                                      
REMARK 465     ILE A   333                                                      
REMARK 465     GLN A   334                                                      
REMARK 465     ASP A   335                                                      
REMARK 465     ALA A   336                                                      
REMARK 465     SER A   337                                                      
REMARK 465     LYS A   338                                                      
REMARK 465     GLY A   339                                                      
REMARK 465     SER A   340                                                      
REMARK 465     MET B  1000                                                      
REMARK 465     LYS B  1001                                                      
REMARK 465     LYS B  1002                                                      
REMARK 465     TYR B  1003                                                      
REMARK 465     THR B  1004                                                      
REMARK 465     CYS B  1005                                                      
REMARK 465     THR B  1006                                                      
REMARK 465     VAL B  1007                                                      
REMARK 465     CYS B  1008                                                      
REMARK 465     GLY B  1009                                                      
REMARK 465     TYR B  1010                                                      
REMARK 465     ILE B  1011                                                      
REMARK 465     TYR B  1012                                                      
REMARK 465     ASN B  1013                                                      
REMARK 465     PRO B  1014                                                      
REMARK 465     GLU B  1015                                                      
REMARK 465     ASP B  1016                                                      
REMARK 465     GLY B  1017                                                      
REMARK 465     ASP B  1018                                                      
REMARK 465     PRO B  1019                                                      
REMARK 465     ASP B  1020                                                      
REMARK 465     ASN B  1021                                                      
REMARK 465     GLY B  1022                                                      
REMARK 465     VAL B  1023                                                      
REMARK 465     ASN B  1024                                                      
REMARK 465     PRO B  1025                                                      
REMARK 465     GLY B  1026                                                      
REMARK 465     THR B  1027                                                      
REMARK 465     ASP B  1028                                                      
REMARK 465     PHE B  1029                                                      
REMARK 465     LYS B  1030                                                      
REMARK 465     ASP B  1031                                                      
REMARK 465     ILE B  1032                                                      
REMARK 465     PRO B  1033                                                      
REMARK 465     ASP B  1034                                                      
REMARK 465     ASP B  1035                                                      
REMARK 465     TRP B  1036                                                      
REMARK 465     VAL B  1037                                                      
REMARK 465     CYS B  1038                                                      
REMARK 465     PRO B  1039                                                      
REMARK 465     LEU B  1040                                                      
REMARK 465     CYS B  1041                                                      
REMARK 465     GLY B  1042                                                      
REMARK 465     VAL B  1043                                                      
REMARK 465     GLY B  1044                                                      
REMARK 465     LYS B  1045                                                      
REMARK 465     ASP B  1046                                                      
REMARK 465     GLN B  1047                                                      
REMARK 465     PHE B  1048                                                      
REMARK 465     GLU B  1049                                                      
REMARK 465     GLU B  1050                                                      
REMARK 465     VAL B  1051                                                      
REMARK 465     GLU B  1052                                                      
REMARK 465     PRO B   329                                                      
REMARK 465     ARG B   330                                                      
REMARK 465     HIS B   331                                                      
REMARK 465     CYS B   332                                                      
REMARK 465     ILE B   333                                                      
REMARK 465     GLN B   334                                                      
REMARK 465     ASP B   335                                                      
REMARK 465     ALA B   336                                                      
REMARK 465     SER B   337                                                      
REMARK 465     LYS B   338                                                      
REMARK 465     GLY B   339                                                      
REMARK 465     SER B   340                                                      
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     ASP A2002    CG   OD1  OD2                                       
REMARK 470     LEU A2003    CG   CD1  CD2                                       
REMARK 470     GLU A2004    CG   CD   OE1  OE2                                  
REMARK 470     ASP A2005    CG   OD1  OD2                                       
REMARK 470     TRP A2007    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP A2007    CZ3  CH2                                            
REMARK 470     ASN A2011    CG   OD1  ND2                                       
REMARK 470     LEU A2014    CG   CD1  CD2                                       
REMARK 470     LYS A2015    CG   CD   CE   NZ                                   
REMARK 470     GLU A2018    CG   CD   OE1  OE2                                  
REMARK 470     LYS A2019    CG   CD   CE   NZ                                   
REMARK 470     LYS A2027    CG   CD   CE   NZ                                   
REMARK 470     LEU A2030    CG   CD1  CD2                                       
REMARK 470     MET A2033    CG   SD   CE                                        
REMARK 470     LYS A2042    CG   CD   CE   NZ                                   
REMARK 470     PRO A2045    CG   CD                                             
REMARK 470     PRO A2046    CG   CD                                             
REMARK 470     LYS A2047    CG   CD   CE   NZ                                   
REMARK 470     LEU A2048    CG   CD1  CD2                                       
REMARK 470     GLU A2049    CG   CD   OE1  OE2                                  
REMARK 470     ASP A2050    CG   OD1  OD2                                       
REMARK 470     LYS A2051    CG   CD   CE   NZ                                   
REMARK 470     SER A2052    OG                                                  
REMARK 470     ASP A2054    CG   OD1  OD2                                       
REMARK 470     PRO A2056    CG   CD                                             
REMARK 470     MET A2058    CG   SD   CE                                        
REMARK 470     LYS A2059    CG   CD   CE   NZ                                   
REMARK 470     ASP A2060    CG   OD1  OD2                                       
REMARK 470     PHE A2061    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     ARG A2062    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS A2063    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LEU A2068    CG   CD1  CD2                                       
REMARK 470     GLN A2071    CG   CD   OE1  NE2                                  
REMARK 470     ASP A2074    CG   OD1  OD2                                       
REMARK 470     LYS A2077    CG   CD   CE   NZ                                   
REMARK 470     GLU A2081    CG   CD   OE1  OE2                                  
REMARK 470     LYS A2083    CG   CD   CE   NZ                                   
REMARK 470     LYS A2085    CG   CD   CE   NZ                                   
REMARK 470     GLU A2086    CG   CD   OE1  OE2                                  
REMARK 470     GLN A2088    CG   CD   OE1  NE2                                  
REMARK 470     GLU A2092    CG   CD   OE1  OE2                                  
REMARK 470     GLN A2093    CG   CD   OE1  NE2                                  
REMARK 470     LEU A2094    CG   CD1  CD2                                       
REMARK 470     LYS A2095    CG   CD   CE   NZ                                   
REMARK 470     ARG A2098    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE A2102    CG1  CG2  CD1                                       
REMARK 470     GLN A2103    CG   CD   OE1  NE2                                  
REMARK 470     LYS A2104    CG   CD   CE   NZ                                   
REMARK 470     TYR A2105    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LEU A2106    CG   CD1  CD2                                       
REMARK 470     ASP A  32    CG   OD1  OD2                                       
REMARK 470     ARG A  35    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A  69    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  70    CG   CD   CE   NZ                                   
REMARK 470     PHE A 108    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     LYS A 114    CG   CD   CE   NZ                                   
REMARK 470     ARG A 150    NE   CZ   NH1  NH2                                  
REMARK 470     ARG A 153    CZ   NH1  NH2                                       
REMARK 470     ARG A 154    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     PHE A 176    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     GLU A 182    CG   CD   OE1  OE2                                  
REMARK 470     GLN A 199    CG   CD   OE1  NE2                                  
REMARK 470     ARG A 222    NH1  NH2                                            
REMARK 470     LEU A 228    CG   CD1  CD2                                       
REMARK 470     GLN A 229    CD   OE1  NE2                                       
REMARK 470     ARG A 231    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A1001    CG   CD   CE   NZ                                   
REMARK 470     PHE A1029    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     LYS A1030    CG   CD   CE   NZ                                   
REMARK 470     GLU A1049    CD   OE1  OE2                                       
REMARK 470     GLU A1052    CG   CD   OE1  OE2                                  
REMARK 470     LEU A 242    CG   CD1  CD2                                       
REMARK 470     LYS A 243    CG   CD   CE   NZ                                   
REMARK 470     SER A 249    OG                                                  
REMARK 470     ASN A 277    CG   OD1  ND2                                       
REMARK 470     GLN A 284    CG   CD   OE1  NE2                                  
REMARK 470     ILE A 285    CG1  CG2  CD1                                       
REMARK 470     GLN A 313    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 320    CG   CD   CE   NZ                                   
REMARK 470     ARG A 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN A 328    CG   OD1  ND2                                       
REMARK 470     ASP B2002    CG   OD1  OD2                                       
REMARK 470     LEU B2003    CG   CD1  CD2                                       
REMARK 470     GLU B2004    CG   CD   OE1  OE2                                  
REMARK 470     TRP B2007    CG   CD1  CD2  NE1  CE2  CE3  CZ2                   
REMARK 470     TRP B2007    CZ3  CH2                                            
REMARK 470     GLU B2008    CG   CD   OE1  OE2                                  
REMARK 470     LEU B2010    CG   CD1  CD2                                       
REMARK 470     ASP B2012    CG   OD1  OD2                                       
REMARK 470     ASN B2013    CG   OD1  ND2                                       
REMARK 470     LEU B2014    CG   CD1  CD2                                       
REMARK 470     LYS B2015    CG   CD   CE   NZ                                   
REMARK 470     VAL B2016    CG1  CG2                                            
REMARK 470     ILE B2017    CG1  CG2  CD1                                       
REMARK 470     GLU B2018    CG   CD   OE1  OE2                                  
REMARK 470     LYS B2019    CG   CD   CE   NZ                                   
REMARK 470     ASP B2021    CG   OD1  OD2                                       
REMARK 470     ASN B2022    CG   OD1  ND2                                       
REMARK 470     GLN B2025    CG   CD   OE1  NE2                                  
REMARK 470     VAL B2026    CG1  CG2                                            
REMARK 470     LYS B2027    CG   CD   CE   NZ                                   
REMARK 470     ASP B2028    CG   OD1  OD2                                       
REMARK 470     LEU B2030    CG   CD1  CD2                                       
REMARK 470     THR B2031    OG1  CG2                                            
REMARK 470     LYS B2032    CG   CD   CE   NZ                                   
REMARK 470     MET B2033    CG   SD   CE                                        
REMARK 470     ARG B2034    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU B2038    CG   CD1  CD2                                       
REMARK 470     GLN B2041    CG   CD   OE1  NE2                                  
REMARK 470     LYS B2042    CG   CD   CE   NZ                                   
REMARK 470     THR B2044    OG1  CG2                                            
REMARK 470     LYS B2047    CG   CD   CE   NZ                                   
REMARK 470     LEU B2048    CG   CD1  CD2                                       
REMARK 470     GLU B2049    CG   CD   OE1  OE2                                  
REMARK 470     ASP B2050    CG   OD1  OD2                                       
REMARK 470     LYS B2051    CG   CD   CE   NZ                                   
REMARK 470     PRO B2056    CG   CD                                             
REMARK 470     GLU B2057    CG   CD   OE1  OE2                                  
REMARK 470     MET B2058    CG   SD   CE                                        
REMARK 470     LYS B2059    CG   CD   CE   NZ                                   
REMARK 470     ASP B2060    CG   OD1  OD2                                       
REMARK 470     PHE B2061    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     ARG B2062    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     PHE B2065    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     VAL B2069    CG1  CG2                                            
REMARK 470     ILE B2072    CG1  CG2  CD1                                       
REMARK 470     ASP B2073    CG   OD1  OD2                                       
REMARK 470     ASP B2074    CG   OD1  OD2                                       
REMARK 470     LEU B2076    CG   CD1  CD2                                       
REMARK 470     LYS B2077    CG   CD   CE   NZ                                   
REMARK 470     LEU B2078    CG   CD1  CD2                                       
REMARK 470     ASN B2080    CG   OD1  ND2                                       
REMARK 470     GLU B2081    CG   CD   OE1  OE2                                  
REMARK 470     LYS B2083    CG   CD   CE   NZ                                   
REMARK 470     VAL B2084    CG1  CG2                                            
REMARK 470     LYS B2085    CG   CD   CE   NZ                                   
REMARK 470     GLU B2086    CG   CD   OE1  OE2                                  
REMARK 470     GLU B2092    CG   CD   OE1  OE2                                  
REMARK 470     GLN B2093    CG   CD   OE1  NE2                                  
REMARK 470     LEU B2094    CG   CD1  CD2                                       
REMARK 470     LYS B2095    CG   CD   CE   NZ                                   
REMARK 470     THR B2096    OG1  CG2                                            
REMARK 470     ARG B2098    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN B2099    CG   OD1  ND2                                       
REMARK 470     TYR B2101    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ILE B2102    CG1  CG2  CD1                                       
REMARK 470     GLN B2103    CG   CD   OE1  NE2                                  
REMARK 470     LYS B2104    CG   CD   CE   NZ                                   
REMARK 470     TYR B2105    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LEU B2106    CG   CD1  CD2                                       
REMARK 470     ARG B  35    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B  67    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B  70    CG   CD   CE   NZ                                   
REMARK 470     TYR B 103    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLU B 111    CD   OE1  OE2                                       
REMARK 470     LYS B 114    CG   CD   CE   NZ                                   
REMARK 470     MET B 146    CG   SD   CE                                        
REMARK 470     ARG B 150    NE   CZ   NH1  NH2                                  
REMARK 470     ARG B 153    CZ   NH1  NH2                                       
REMARK 470     ARG B 154    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU B 167    CG   CD1  CD2                                       
REMARK 470     GLN B 199    CG   CD   OE1  NE2                                  
REMARK 470     ARG B 222    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU B 228    CG   CD1  CD2                                       
REMARK 470     GLN B 229    CG   CD   OE1  NE2                                  
REMARK 470     ARG B 231    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU B 242    CG   CD1  CD2                                       
REMARK 470     LYS B 243    CG   CD   CE   NZ                                   
REMARK 470     LEU B 247    CG   CD1  CD2                                       
REMARK 470     ARG B 248    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     VAL B 255    CG1  CG2                                            
REMARK 470     ASN B 277    CG   OD1  ND2                                       
REMARK 470     GLN B 279    CG   CD   OE1  NE2                                  
REMARK 470     GLU B 280    CG   CD   OE1  OE2                                  
REMARK 470     GLN B 284    CG   CD   OE1  NE2                                  
REMARK 470     ILE B 285    CG1  CG2  CD1                                       
REMARK 470     LEU B 295    CG   CD1  CD2                                       
REMARK 470     ASN B 314    CG   OD1  ND2                                       
REMARK 470     PHE B 315    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     ARG B 317    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B 321    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LEU B 324    CG   CD1  CD2                                       
REMARK 470     ASN B 328    CG   OD1  ND2                                       
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    LYS A2042       47.85    -94.33                                   
REMARK 500    LEU A2048       47.71    -97.53                                   
REMARK 500    ASP A  32       52.79    -94.92                                   
REMARK 500    ALA A  74       35.45    -84.80                                   
REMARK 500    ASP A 104       82.72     57.11                                   
REMARK 500    TYR A 188       16.00     47.75                                   
REMARK 500    VAL A 206      -70.73    -83.29                                   
REMARK 500    PHE A 209      -72.45   -157.11                                   
REMARK 500    ARG A 231     -112.50    -81.83                                   
REMARK 500    MET A1000       96.69    -56.91                                   
REMARK 500    VAL A1007      -61.21   -123.70                                   
REMARK 500    ASP A1018       72.67   -152.84                                   
REMARK 500    GLN A1047       52.06   -109.79                                   
REMARK 500    GLU A1052       39.09    -76.50                                   
REMARK 500    GLU A 280      -30.91   -130.81                                   
REMARK 500    LYS B2042       47.51    -98.71                                   
REMARK 500    LEU B2048       48.66    -97.49                                   
REMARK 500    GLN B2103      -50.96     68.62                                   
REMARK 500    ASN B  68     -137.44     53.61                                   
REMARK 500    ASP B 104       82.70     56.85                                   
REMARK 500    TYR B 188       15.67     47.73                                   
REMARK 500    VAL B 206      -71.32    -82.99                                   
REMARK 500    PHE B 209      -68.64   -147.49                                   
REMARK 500    SER B 245      -19.46    -48.47                                   
REMARK 500    GLU B 280      -30.66   -130.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    SER A2055        -12.51                                           
REMARK 500    SER B2055        -11.25                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A2202  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A1005   SG                                                     
REMARK 620 2 CYS A1008   SG  124.4                                              
REMARK 620 3 CYS A1038   SG  119.7 102.5                                        
REMARK 620 4 CYS A1041   SG   97.2 111.8  98.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue JEV A 2201                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 2202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue JEV B 2201                
DBREF  6ME9 A 2001  2106  UNP    P0ABE7   C562_ECOLX      23    128             
DBREF  6ME9 A   35   231  UNP    P49286   MTR1B_HUMAN     35    231             
DBREF  6ME9 A 1000  1052  UNP    P00268   RUBR_CLOPA       1     53             
DBREF  6ME9 A  241   340  UNP    P49286   MTR1B_HUMAN    241    340             
DBREF  6ME9 B 2001  2106  UNP    P0ABE7   C562_ECOLX      23    128             
DBREF  6ME9 B   35   231  UNP    P49286   MTR1B_HUMAN     35    231             
DBREF  6ME9 B 1000  1052  UNP    P00268   RUBR_CLOPA       1     53             
DBREF  6ME9 B  241   340  UNP    P49286   MTR1B_HUMAN    241    340             
SEQADV 6ME9 TRP A 2007  UNP  P0ABE7    MET    29 ENGINEERED MUTATION            
SEQADV 6ME9 ILE A 2102  UNP  P0ABE7    HIS   124 ENGINEERED MUTATION            
SEQADV 6ME9 LEU A 2106  UNP  P0ABE7    ARG   128 ENGINEERED MUTATION            
SEQADV 6ME9 GLY A   31  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 ASP A   32  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 GLY A   33  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 ALA A   34  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 SER A   37  UNP  P49286    PRO    37 ENGINEERED MUTATION            
SEQADV 6ME9 ASN A   86  UNP  P49286    ASP    86 ENGINEERED MUTATION            
SEQADV 6ME9 PHE A  108  UNP  P49286    LEU   108 ENGINEERED MUTATION            
SEQADV 6ME9 TRP A  129  UNP  P49286    PHE   129 ENGINEERED MUTATION            
SEQADV 6ME9 ASP A  137  UNP  P49286    ASN   137 ENGINEERED MUTATION            
SEQADV 6ME9 LEU A  140  UNP  P49286    CYS   140 ENGINEERED MUTATION            
SEQADV 6ME9 PHE A  264  UNP  P49286    TRP   264 ENGINEERED MUTATION            
SEQADV 6ME9 PRO A  305  UNP  P49286    ALA   305 ENGINEERED MUTATION            
SEQADV 6ME9 ASP A  312  UNP  P49286    ASN   312 ENGINEERED MUTATION            
SEQADV 6ME9 TRP B 2007  UNP  P0ABE7    MET    29 ENGINEERED MUTATION            
SEQADV 6ME9 ILE B 2102  UNP  P0ABE7    HIS   124 ENGINEERED MUTATION            
SEQADV 6ME9 LEU B 2106  UNP  P0ABE7    ARG   128 ENGINEERED MUTATION            
SEQADV 6ME9 GLY B   31  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 ASP B   32  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 GLY B   33  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 ALA B   34  UNP  P0ABE7              LINKER                         
SEQADV 6ME9 SER B   37  UNP  P49286    PRO    37 ENGINEERED MUTATION            
SEQADV 6ME9 ASN B   86  UNP  P49286    ASP    86 ENGINEERED MUTATION            
SEQADV 6ME9 PHE B  108  UNP  P49286    LEU   108 ENGINEERED MUTATION            
SEQADV 6ME9 TRP B  129  UNP  P49286    PHE   129 ENGINEERED MUTATION            
SEQADV 6ME9 ASP B  137  UNP  P49286    ASN   137 ENGINEERED MUTATION            
SEQADV 6ME9 LEU B  140  UNP  P49286    CYS   140 ENGINEERED MUTATION            
SEQADV 6ME9 PHE B  264  UNP  P49286    TRP   264 ENGINEERED MUTATION            
SEQADV 6ME9 PRO B  305  UNP  P49286    ALA   305 ENGINEERED MUTATION            
SEQADV 6ME9 ASP B  312  UNP  P49286    ASN   312 ENGINEERED MUTATION            
SEQRES   1 A  460  ALA ASP LEU GLU ASP ASN TRP GLU THR LEU ASN ASP ASN          
SEQRES   2 A  460  LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL          
SEQRES   3 A  460  LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP          
SEQRES   4 A  460  ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER          
SEQRES   5 A  460  PRO ASP SER PRO GLU MET LYS ASP PHE ARG HIS GLY PHE          
SEQRES   6 A  460  ASP ILE LEU VAL GLY GLN ILE ASP ASP ALA LEU LYS LEU          
SEQRES   7 A  460  ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA          
SEQRES   8 A  460  GLU GLN LEU LYS THR THR ARG ASN ALA TYR ILE GLN LYS          
SEQRES   9 A  460  TYR LEU GLY ASP GLY ALA ARG PRO SER TRP VAL ALA PRO          
SEQRES  10 A  460  ALA LEU SER ALA VAL LEU ILE VAL THR THR ALA VAL ASP          
SEQRES  11 A  460  VAL VAL GLY ASN LEU LEU VAL ILE LEU SER VAL LEU ARG          
SEQRES  12 A  460  ASN ARG LYS LEU ARG ASN ALA GLY ASN LEU PHE LEU VAL          
SEQRES  13 A  460  SER LEU ALA LEU ALA ASN LEU VAL VAL ALA PHE TYR PRO          
SEQRES  14 A  460  TYR PRO LEU ILE LEU VAL ALA ILE PHE TYR ASP GLY TRP          
SEQRES  15 A  460  ALA PHE GLY GLU GLU HIS CYS LYS ALA SER ALA PHE VAL          
SEQRES  16 A  460  MET GLY LEU SER VAL ILE GLY SER VAL TRP ASN ILE THR          
SEQRES  17 A  460  ALA ILE ALA ILE ASP ARG TYR LEU TYR ILE CYS HIS SER          
SEQRES  18 A  460  MET ALA TYR HIS ARG ILE TYR ARG ARG TRP HIS THR PRO          
SEQRES  19 A  460  LEU HIS ILE CYS LEU ILE TRP LEU LEU THR VAL VAL ALA          
SEQRES  20 A  460  LEU LEU PRO ASN PHE PHE VAL GLY SER LEU GLU TYR ASP          
SEQRES  21 A  460  PRO ARG ILE TYR SER CYS THR PHE ILE GLN THR ALA SER          
SEQRES  22 A  460  THR GLN TYR THR ALA ALA VAL VAL VAL ILE HIS PHE LEU          
SEQRES  23 A  460  LEU PRO ILE ALA VAL VAL SER PHE CYS TYR LEU ARG ILE          
SEQRES  24 A  460  TRP VAL LEU VAL LEU GLN ALA ARG MET LYS LYS TYR THR          
SEQRES  25 A  460  CYS THR VAL CYS GLY TYR ILE TYR ASN PRO GLU ASP GLY          
SEQRES  26 A  460  ASP PRO ASP ASN GLY VAL ASN PRO GLY THR ASP PHE LYS          
SEQRES  27 A  460  ASP ILE PRO ASP ASP TRP VAL CYS PRO LEU CYS GLY VAL          
SEQRES  28 A  460  GLY LYS ASP GLN PHE GLU GLU VAL GLU CYS LEU LYS PRO          
SEQRES  29 A  460  SER ASP LEU ARG SER PHE LEU THR MET PHE VAL VAL PHE          
SEQRES  30 A  460  VAL ILE PHE ALA ILE CYS PHE ALA PRO LEU ASN CYS ILE          
SEQRES  31 A  460  GLY LEU ALA VAL ALA ILE ASN PRO GLN GLU MET ALA PRO          
SEQRES  32 A  460  GLN ILE PRO GLU GLY LEU PHE VAL THR SER TYR LEU LEU          
SEQRES  33 A  460  ALA TYR PHE ASN SER CYS LEU ASN PRO ILE VAL TYR GLY          
SEQRES  34 A  460  LEU LEU ASP GLN ASN PHE ARG ARG GLU TYR LYS ARG ILE          
SEQRES  35 A  460  LEU LEU ALA LEU TRP ASN PRO ARG HIS CYS ILE GLN ASP          
SEQRES  36 A  460  ALA SER LYS GLY SER                                          
SEQRES   1 B  460  ALA ASP LEU GLU ASP ASN TRP GLU THR LEU ASN ASP ASN          
SEQRES   2 B  460  LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL          
SEQRES   3 B  460  LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP          
SEQRES   4 B  460  ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER          
SEQRES   5 B  460  PRO ASP SER PRO GLU MET LYS ASP PHE ARG HIS GLY PHE          
SEQRES   6 B  460  ASP ILE LEU VAL GLY GLN ILE ASP ASP ALA LEU LYS LEU          
SEQRES   7 B  460  ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA          
SEQRES   8 B  460  GLU GLN LEU LYS THR THR ARG ASN ALA TYR ILE GLN LYS          
SEQRES   9 B  460  TYR LEU GLY ASP GLY ALA ARG PRO SER TRP VAL ALA PRO          
SEQRES  10 B  460  ALA LEU SER ALA VAL LEU ILE VAL THR THR ALA VAL ASP          
SEQRES  11 B  460  VAL VAL GLY ASN LEU LEU VAL ILE LEU SER VAL LEU ARG          
SEQRES  12 B  460  ASN ARG LYS LEU ARG ASN ALA GLY ASN LEU PHE LEU VAL          
SEQRES  13 B  460  SER LEU ALA LEU ALA ASN LEU VAL VAL ALA PHE TYR PRO          
SEQRES  14 B  460  TYR PRO LEU ILE LEU VAL ALA ILE PHE TYR ASP GLY TRP          
SEQRES  15 B  460  ALA PHE GLY GLU GLU HIS CYS LYS ALA SER ALA PHE VAL          
SEQRES  16 B  460  MET GLY LEU SER VAL ILE GLY SER VAL TRP ASN ILE THR          
SEQRES  17 B  460  ALA ILE ALA ILE ASP ARG TYR LEU TYR ILE CYS HIS SER          
SEQRES  18 B  460  MET ALA TYR HIS ARG ILE TYR ARG ARG TRP HIS THR PRO          
SEQRES  19 B  460  LEU HIS ILE CYS LEU ILE TRP LEU LEU THR VAL VAL ALA          
SEQRES  20 B  460  LEU LEU PRO ASN PHE PHE VAL GLY SER LEU GLU TYR ASP          
SEQRES  21 B  460  PRO ARG ILE TYR SER CYS THR PHE ILE GLN THR ALA SER          
SEQRES  22 B  460  THR GLN TYR THR ALA ALA VAL VAL VAL ILE HIS PHE LEU          
SEQRES  23 B  460  LEU PRO ILE ALA VAL VAL SER PHE CYS TYR LEU ARG ILE          
SEQRES  24 B  460  TRP VAL LEU VAL LEU GLN ALA ARG MET LYS LYS TYR THR          
SEQRES  25 B  460  CYS THR VAL CYS GLY TYR ILE TYR ASN PRO GLU ASP GLY          
SEQRES  26 B  460  ASP PRO ASP ASN GLY VAL ASN PRO GLY THR ASP PHE LYS          
SEQRES  27 B  460  ASP ILE PRO ASP ASP TRP VAL CYS PRO LEU CYS GLY VAL          
SEQRES  28 B  460  GLY LYS ASP GLN PHE GLU GLU VAL GLU CYS LEU LYS PRO          
SEQRES  29 B  460  SER ASP LEU ARG SER PHE LEU THR MET PHE VAL VAL PHE          
SEQRES  30 B  460  VAL ILE PHE ALA ILE CYS PHE ALA PRO LEU ASN CYS ILE          
SEQRES  31 B  460  GLY LEU ALA VAL ALA ILE ASN PRO GLN GLU MET ALA PRO          
SEQRES  32 B  460  GLN ILE PRO GLU GLY LEU PHE VAL THR SER TYR LEU LEU          
SEQRES  33 B  460  ALA TYR PHE ASN SER CYS LEU ASN PRO ILE VAL TYR GLY          
SEQRES  34 B  460  LEU LEU ASP GLN ASN PHE ARG ARG GLU TYR LYS ARG ILE          
SEQRES  35 B  460  LEU LEU ALA LEU TRP ASN PRO ARG HIS CYS ILE GLN ASP          
SEQRES  36 B  460  ALA SER LYS GLY SER                                          
HET    JEV  A2201      19                                                       
HET     ZN  A2202       1                                                       
HET    JEV  B2201      19                                                       
HETNAM     JEV N-{2-[(8S)-1,6,7,8-TETRAHYDRO-2H-INDENO[5,4-B]FURAN-8-           
HETNAM   2 JEV  YL]ETHYL}PROPANAMIDE                                            
HETNAM      ZN ZINC ION                                                         
HETSYN     JEV RAMELTEON                                                        
FORMUL   3  JEV    2(C16 H21 N O2)                                              
FORMUL   4   ZN    ZN 2+                                                        
HELIX    1 AA1 ASP A 2002  LYS A 2019  1                                  18    
HELIX    2 AA2 ASN A 2022  LYS A 2042  1                                  21    
HELIX    3 AA3 SER A 2055  GLY A 2082  1                                  28    
HELIX    4 AA4 VAL A 2084  THR A 2097  1                                  14    
HELIX    5 AA5 TRP A   38  ASN A   68  1                                  31    
HELIX    6 AA6 ASN A   68  ASN A   73  1                                   6    
HELIX    7 AA7 LEU A   77  TYR A   92  1                                  16    
HELIX    8 AA8 TYR A   92  TYR A  103  1                                  12    
HELIX    9 AA9 GLY A  109  CYS A  143  1                                  35    
HELIX   10 AB1 HIS A  144  ILE A  151  1                                   8    
HELIX   11 AB2 TRP A  155  LEU A  173  1                                  19    
HELIX   12 AB3 LEU A  173  GLY A  179  1                                   7    
HELIX   13 AB4 SER A  197  HIS A  208  1                                  12    
HELIX   14 AB5 PHE A  209  GLN A  229  1                                  21    
HELIX   15 AB6 ASP A 1018  GLY A 1022  5                                   5    
HELIX   16 AB7 GLY A 1044  ASP A 1046  5                                   3    
HELIX   17 AB8 SER A  245  ASN A  277  1                                  33    
HELIX   18 AB9 GLU A  280  ILE A  285  1                                   6    
HELIX   19 AC1 PRO A  286  ASP A  312  1                                  27    
HELIX   20 AC2 ASP A  312  ASN A  328  1                                  17    
HELIX   21 AC3 ASP B 2002  LYS B 2019  1                                  18    
HELIX   22 AC4 ALA B 2023  LYS B 2042  1                                  20    
HELIX   23 AC5 SER B 2055  GLY B 2082  1                                  28    
HELIX   24 AC6 VAL B 2084  GLN B 2093  1                                  10    
HELIX   25 AC7 GLN B 2093  ASN B 2099  1                                   7    
HELIX   26 AC8 GLN B 2103  ARG B   35  1                                   9    
HELIX   27 AC9 TRP B   38  ARG B   67  1                                  30    
HELIX   28 AD1 ASN B   68  ARG B   72  5                                   5    
HELIX   29 AD2 ASN B   73  TYR B   92  1                                  20    
HELIX   30 AD3 TYR B   92  TYR B  103  1                                  12    
HELIX   31 AD4 GLY B  109  CYS B  143  1                                  35    
HELIX   32 AD5 SER B  145  ARG B  150  1                                   6    
HELIX   33 AD6 TRP B  155  LEU B  173  1                                  19    
HELIX   34 AD7 LEU B  173  GLY B  179  1                                   7    
HELIX   35 AD8 SER B  197  ILE B  207  1                                  11    
HELIX   36 AD9 PHE B  209  GLN B  229  1                                  21    
HELIX   37 AE1 LEU B  247  ASN B  277  1                                  31    
HELIX   38 AE2 GLU B  280  ILE B  285  1                                   6    
HELIX   39 AE3 PRO B  286  ASP B  312  1                                  27    
HELIX   40 AE4 ASP B  312  ASN B  328  1                                  17    
SHEET    1 AA1 2 LEU A 181  ASP A 184  0                                        
SHEET    2 AA1 2 SER A 189  PHE A 192 -1  O  SER A 189   N  ASP A 184           
SHEET    1 AA2 3 ILE A1011  TYR A1012  0                                        
SHEET    2 AA2 3 TYR A1003  CYS A1005 -1  N  TYR A1003   O  TYR A1012           
SHEET    3 AA2 3 PHE A1048  GLU A1050 -1  O  GLU A1049   N  THR A1004           
SHEET    1 AA3 2 LEU B 181  ASP B 184  0                                        
SHEET    2 AA3 2 SER B 189  PHE B 192 -1  O  THR B 191   N  GLU B 182           
SSBOND   1 CYS A  113    CYS A  190                          1555   1555  2.03  
SSBOND   2 CYS B  113    CYS B  190                          1555   1555  2.03  
LINK         SG  CYS A1005                ZN    ZN A2202     1555   1555  2.59  
LINK         SG  CYS A1008                ZN    ZN A2202     1555   1555  2.35  
LINK         SG  CYS A1038                ZN    ZN A2202     1555   1555  2.55  
LINK         SG  CYS A1041                ZN    ZN A2202     1555   1555  2.39  
SITE     1 AC1 11 ALA A 117  GLY A 121  ILE A 125  ASN A 175                    
SITE     2 AC1 11 THR A 191  PHE A 192  GLN A 194  TYR A 200                    
SITE     3 AC1 11 VAL A 204  LEU A 267  ASN A 268                               
SITE     1 AC2  4 CYS A1005  CYS A1008  CYS A1038  CYS A1041                    
SITE     1 AC3  9 ALA B 117  ASN B 175  LEU B 181  THR B 191                    
SITE     2 AC3  9 PHE B 192  GLN B 194  TYR B 200  VAL B 204                    
SITE     3 AC3  9 LEU B 267                                                     
CRYST1   69.400  145.700   77.200  90.00 106.20  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      0.014409  0.000000  0.004186        0.00000                         
SCALE2      0.000000  0.006863  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013489        0.00000