PDB Short entry for 4ZJ0
HEADER    TRANSPORT PROTEIN                       28-APR-15   4ZJ0              
TITLE     THE CRYSTAL STRUCTURE OF MONOMER Q108K:K40L:Y60W CRBPII BOUND TO ALL- 
TITLE    2 TRANS-RETINAL                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RETINOL-BINDING PROTEIN 2;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 2-134;                                        
COMPND   5 SYNONYM: CELLULAR RETINOL-BINDING PROTEIN II,CRBP-II;                
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: RBP2, CRBP2;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET17B                                    
KEYWDS    TRANSPORT PROTEIN, DOMAIN SWAPPING DIMER                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.NOSSONI,Z.ASSAR,W.WANG,C.VASILEIOU,B.BORHAN,J.H.GEIGER              
REVDAT   4   27-SEP-23 4ZJ0    1       REMARK                                   
REVDAT   3   25-DEC-19 4ZJ0    1       REMARK                                   
REVDAT   2   06-SEP-17 4ZJ0    1       JRNL   REMARK                            
REVDAT   1   11-MAY-16 4ZJ0    0                                                
JRNL        AUTH   Z.ASSAR,Z.NOSSONI,W.WANG,E.M.SANTOS,K.KRAMER,C.MCCORNACK,    
JRNL        AUTH 2 C.VASILEIOU,B.BORHAN,J.H.GEIGER                              
JRNL        TITL   DOMAIN-SWAPPED DIMERS OF INTRACELLULAR LIPID-BINDING         
JRNL        TITL 2 PROTEINS: EVIDENCE FOR ORDERED FOLDING INTERMEDIATES.        
JRNL        REF    STRUCTURE                     V.  24  1590 2016              
JRNL        REFN                   ISSN 1878-4186                               
JRNL        PMID   27524203                                                     
JRNL        DOI    10.1016/J.STR.2016.05.022                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.WANG,Z.NOSSONI,T.BERBASOVA,C.T.WATSON,I.YAPICI,K.S.LEE,    
REMARK   1  AUTH 2 C.VASILEIOU,J.H.GEIGER,B.BORHAN                              
REMARK   1  TITL   TUNING THE ELECTRONIC ABSORPTION OF PROTEIN-EMBEDDED         
REMARK   1  TITL 2 ALL-TRANS-RETINAL.                                           
REMARK   1  REF    SCIENCE                       V. 338  1340 2012              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  PMID   23224553                                                     
REMARK   1  DOI    10.1126/SCIENCE.1226135                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 21.30                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 34422                          
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) : 0.201                           
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.251                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1855                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.54                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1974                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 73.56                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2680                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 110                          
REMARK   3   BIN FREE R VALUE                    : 0.3440                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2152                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 34                                      
REMARK   3   SOLVENT ATOMS            : 225                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.02                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.01000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.099         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.105         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.062         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.634         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.959                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.931                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2304 ; 0.026 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3124 ; 2.317 ; 1.931       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   282 ; 6.496 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   119 ;34.976 ;25.042       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   405 ;15.976 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    13 ;18.979 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   338 ; 0.148 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1784 ; 0.012 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1370 ; 1.652 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2215 ; 2.774 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   934 ; 3.916 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   909 ; 6.318 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 4ZJ0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000209382.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-OCT-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 194                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.987                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41751                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 21.300                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.8                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 50.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.52                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 68.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.580                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2RCQ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.34                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG4000, 0.1M CH3COONA.3H2O, PH      
REMARK 280  4.6, 0.1M CH3COONH4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE     
REMARK 280  294K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 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     LYS A 133    CG   CD   CE   NZ                                   
REMARK 470     GLU B   9    CG   CD   OE1  OE2                                  
REMARK 470     LYS B  21    CG   CD   CE   NZ                                   
REMARK 470     LYS B  31    CG   CD   CE   NZ                                   
REMARK 470     LYS B  52    CG   CD   CE   NZ                                   
REMARK 470     ARG B  58    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     TYR B  73    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS B  75    CG   CD   CE   NZ                                   
REMARK 470     ASP B 113    CG   OD1  OD2                                       
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    HOH B   373     O    HOH B   397              1.96            
REMARK 500   O    ASP A   113     O    HOH A   301              2.08            
REMARK 500   NE1  TRP B    60     O    HOH B   301              2.15            
REMARK 500   CE1  TYR A    73     ND1  HIS A    81              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLY A 105   N     GLY A 105   CA      0.091                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    LEU A  40   CB  -  CG  -  CD2 ANGL. DEV. = -10.6 DEGREES          
REMARK 500    ASP A  71   CB  -  CG  -  OD1 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    ARG A 104   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL A  34      101.10     75.35                                   
REMARK 500    LEU A  77      -98.81   -131.07                                   
REMARK 500    PHE B  57      -89.99    -90.79                                   
REMARK 500    SER B  76       -5.27     69.28                                   
REMARK 500    LEU B  77     -104.37   -104.06                                   
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     RET A  202                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue RET A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue RET B 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACT B 202                 
DBREF  4ZJ0 A    1   133  UNP    P50120   RET2_HUMAN       2    134             
DBREF  4ZJ0 B    1   133  UNP    P50120   RET2_HUMAN       2    134             
SEQADV 4ZJ0 LEU A   40  UNP  P50120    LYS    41 ENGINEERED MUTATION            
SEQADV 4ZJ0 TRP A   60  UNP  P50120    TYR    61 ENGINEERED MUTATION            
SEQADV 4ZJ0 LYS A  108  UNP  P50120    GLN   109 ENGINEERED MUTATION            
SEQADV 4ZJ0 LEU B   40  UNP  P50120    LYS    41 ENGINEERED MUTATION            
SEQADV 4ZJ0 TRP B   60  UNP  P50120    TYR    61 ENGINEERED MUTATION            
SEQADV 4ZJ0 LYS B  108  UNP  P50120    GLN   109 ENGINEERED MUTATION            
SEQRES   1 A  133  THR ARG ASP GLN ASN GLY THR TRP GLU MET GLU SER ASN          
SEQRES   2 A  133  GLU ASN PHE GLU GLY TYR MET LYS ALA LEU ASP ILE ASP          
SEQRES   3 A  133  PHE ALA THR ARG LYS ILE ALA VAL ARG LEU THR GLN THR          
SEQRES   4 A  133  LEU VAL ILE ASP GLN ASP GLY ASP ASN PHE LYS THR LYS          
SEQRES   5 A  133  THR THR SER THR PHE ARG ASN TRP ASP VAL ASP PHE THR          
SEQRES   6 A  133  VAL GLY VAL GLU PHE ASP GLU TYR THR LYS SER LEU ASP          
SEQRES   7 A  133  ASN ARG HIS VAL LYS ALA LEU VAL THR TRP GLU GLY ASP          
SEQRES   8 A  133  VAL LEU VAL CYS VAL GLN LYS GLY GLU LYS GLU ASN ARG          
SEQRES   9 A  133  GLY TRP LYS LYS TRP ILE GLU GLY ASP LYS LEU TYR LEU          
SEQRES  10 A  133  GLU LEU THR CYS GLY ASP GLN VAL CYS ARG GLN VAL PHE          
SEQRES  11 A  133  LYS LYS LYS                                                  
SEQRES   1 B  133  THR ARG ASP GLN ASN GLY THR TRP GLU MET GLU SER ASN          
SEQRES   2 B  133  GLU ASN PHE GLU GLY TYR MET LYS ALA LEU ASP ILE ASP          
SEQRES   3 B  133  PHE ALA THR ARG LYS ILE ALA VAL ARG LEU THR GLN THR          
SEQRES   4 B  133  LEU VAL ILE ASP GLN ASP GLY ASP ASN PHE LYS THR LYS          
SEQRES   5 B  133  THR THR SER THR PHE ARG ASN TRP ASP VAL ASP PHE THR          
SEQRES   6 B  133  VAL GLY VAL GLU PHE ASP GLU TYR THR LYS SER LEU ASP          
SEQRES   7 B  133  ASN ARG HIS VAL LYS ALA LEU VAL THR TRP GLU GLY ASP          
SEQRES   8 B  133  VAL LEU VAL CYS VAL GLN LYS GLY GLU LYS GLU ASN ARG          
SEQRES   9 B  133  GLY TRP LYS LYS TRP ILE GLU GLY ASP LYS LEU TYR LEU          
SEQRES  10 B  133  GLU LEU THR CYS GLY ASP GLN VAL CYS ARG GLN VAL PHE          
SEQRES  11 B  133  LYS LYS LYS                                                  
HET    ACT  A 201       4                                                       
HET    RET  A 202       6                                                       
HET    RET  B 201      20                                                       
HET    ACT  B 202       4                                                       
HETNAM     ACT ACETATE ION                                                      
HETNAM     RET RETINAL                                                          
FORMUL   3  ACT    2(C2 H3 O2 1-)                                               
FORMUL   4  RET    2(C20 H28 O)                                                 
FORMUL   7  HOH   *225(H2 O)                                                    
HELIX    1 AA1 ASN A   15  LEU A   23  1                                   9    
HELIX    2 AA2 ASP A   26  ALA A   33  1                                   8    
HELIX    3 AA3 ASN B   15  LEU B   23  1                                   9    
HELIX    4 AA4 ASP B   26  VAL B   34  1                                   9    
SHEET    1 AA110 ASN A  59  THR A  65  0                                        
SHEET    2 AA110 ASN A  48  THR A  54 -1  N  PHE A  49   O  PHE A  64           
SHEET    3 AA110 THR A  39  ASP A  45 -1  N  THR A  39   O  THR A  54           
SHEET    4 AA110 GLY A   6  GLU A  14 -1  N  TRP A   8   O  LEU A  40           
SHEET    5 AA110 GLN A 124  LYS A 132 -1  O  VAL A 129   N  GLU A  11           
SHEET    6 AA110 LYS A 114  CYS A 121 -1  N  LEU A 117   O  GLN A 128           
SHEET    7 AA110 GLY A 105  GLU A 111 -1  N  LYS A 107   O  GLU A 118           
SHEET    8 AA110 VAL A  92  LYS A  98 -1  N  CYS A  95   O  TRP A 106           
SHEET    9 AA110 HIS A  81  GLU A  89 -1  N  THR A  87   O  VAL A  94           
SHEET   10 AA110 PHE A  70  TYR A  73 -1  N  PHE A  70   O  ALA A  84           
SHEET    1 AA210 TRP B  60  THR B  65  0                                        
SHEET    2 AA210 ASN B  48  THR B  54 -1  N  PHE B  49   O  PHE B  64           
SHEET    3 AA210 THR B  39  ASP B  45 -1  N  VAL B  41   O  LYS B  52           
SHEET    4 AA210 GLY B   6  GLU B  14 -1  N  TRP B   8   O  LEU B  40           
SHEET    5 AA210 GLN B 124  LYS B 132 -1  O  VAL B 129   N  GLU B  11           
SHEET    6 AA210 LYS B 114  CYS B 121 -1  N  LEU B 117   O  GLN B 128           
SHEET    7 AA210 GLY B 105  GLU B 111 -1  N  TRP B 109   O  TYR B 116           
SHEET    8 AA210 VAL B  92  LYS B  98 -1  N  CYS B  95   O  TRP B 106           
SHEET    9 AA210 HIS B  81  GLU B  89 -1  N  THR B  87   O  VAL B  94           
SHEET   10 AA210 PHE B  70  TYR B  73 -1  N  PHE B  70   O  ALA B  84           
LINK         NZ  LYS A 108                 C15 RET A 202     1555   1555  1.26  
LINK         NZ  LYS B 108                 C15 RET B 201     1555   1555  1.26  
SITE     1 AC1  6 TRP A  60  GLU A  72  GLN A  97  TRP A 106                    
SITE     2 AC1  6 RET A 202  HOH A 395                                          
SITE     1 AC2  3 TRP A 106  LYS A 108  ACT A 201                               
SITE     1 AC3  6 PHE B  16  MET B  20  THR B  51  TRP B  60                    
SITE     2 AC3  6 LEU B  77  LYS B 108                                          
SITE     1 AC4  5 GLU B  72  GLN B  97  TRP B 106  HOH B 386                    
SITE     2 AC4  5 HOH B 398                                                     
CRYST1   30.081   36.049   63.920  90.94  91.99 113.93 P 1           2          
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      0.033244  0.014750  0.001651        0.00000                         
SCALE2      0.000000  0.030348  0.001016        0.00000                         
SCALE3      0.000000  0.000000  0.015663        0.00000