HEADER    LUMINESCENT PROTEIN                     27-FEB-12   4DXO              
TITLE     CRYSTAL STRUCTURE OF A RECONSTRUCTED KAEDE-TYPE RED FLUORESCENT       
TITLE    2 PROTEIN, LEA X(6)                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LEA X(6) GFP-LIKE PROTEINS;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: KAEDE-TYPE RED FLUORESCENT PROTEIN;                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   3 ORGANISM_COMMON: ARTIFICIAL;                                         
SOURCE   4 ORGANISM_TAXID: 32630;                                               
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PGEM-T                                    
KEYWDS    BETA BARREL, LUMINESCENT PROTEIN                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.KIM,R.FROMME,R.M.WACHTER                                            
REVDAT   5   20-NOV-24 4DXO    1       REMARK                                   
REVDAT   4   15-NOV-23 4DXO    1       LINK   ATOM                              
REVDAT   3   22-APR-15 4DXO    1       JRNL                                     
REVDAT   2   04-FEB-15 4DXO    1       REMARK                                   
REVDAT   1   27-FEB-13 4DXO    0                                                
JRNL        AUTH   H.KIM,T.ZOU,C.MODI,K.DORNER,T.J.GRUNKEMEYER,L.CHEN,R.FROMME, 
JRNL        AUTH 2 M.V.MATZ,S.B.OZKAN,R.M.WACHTER                               
JRNL        TITL   A HINGE MIGRATION MECHANISM UNLOCKS THE EVOLUTION OF         
JRNL        TITL 2 GREEN-TO-RED PHOTOCONVERSION IN GFP-LIKE PROTEINS.           
JRNL        REF    STRUCTURE                     V.  23    34 2015              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   25565105                                                     
JRNL        DOI    10.1016/J.STR.2014.11.011                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0110                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES                
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.55                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 7527                           
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) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 382                             
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) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.57                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 534                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.43                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 34                           
REMARK   3   BIN FREE R VALUE                    : 0.4590                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1726                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 60                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.52                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.13000                                              
REMARK   3    B22 (A**2) : -0.06000                                             
REMARK   3    B33 (A**2) : -0.07000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.314         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.114         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.681        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.929                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1736 ; 0.025 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1226 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2330 ; 2.070 ; 1.972       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2957 ; 1.065 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   205 ; 7.861 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    79 ;36.708 ;24.051       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   299 ;19.737 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;10.244 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   237 ; 0.123 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1900 ; 0.010 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   363 ; 0.001 ; 0.020       
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):  1037 ; 1.501 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   431 ; 0.437 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1659 ; 2.553 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   699 ; 3.508 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   671 ; 5.356 ; 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):  2962 ; 2.010 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):    78 ;11.076 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  2923 ; 2.598 ; 3.000       
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 4DXO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-FEB-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000070912.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JUN-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 7913                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.160                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.05800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.73                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.07M TRIS, 0.2 M MAGNESIUM CHLORIDE,    
REMARK 280  16% PEG 4000, PH 7.7, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE    
REMARK 280  298K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       23.82500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       39.17000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       59.71500            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       23.82500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       39.17000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       59.71500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       23.82500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       39.17000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       59.71500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       23.82500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       39.17000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       59.71500            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 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: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1860 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17690 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -3.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     VAL A     3                                                      
REMARK 465     LEU A   219                                                      
REMARK 465     PRO A   220                                                      
REMARK 465     ARG A   221                                                      
REMARK 465     GLN A   222                                                      
REMARK 465     ALA A   223                                                      
REMARK 465     LYS A   224                                                      
REMARK 465     HIS A   225                                                      
REMARK 465     HIS A   226                                                      
REMARK 465     HIS A   227                                                      
REMARK 465     HIS A   228                                                      
REMARK 465     HIS A   229                                                      
REMARK 465     HIS A   230                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASP A    7   C                                                   
REMARK 480     GLY A   16   C                                                   
REMARK 480     LYS A   22   C                                                   
REMARK 480     PHE A   52   C                                                   
REMARK 480     GLU A   96   CD                                                  
REMARK 480     ASP A   97   CG                                                  
REMARK 480     ASN A  105   CG                                                  
REMARK 480     GLY A  111   C                                                   
REMARK 480     ASP A  121   CG                                                  
REMARK 480     ASN A  128   CG                                                  
REMARK 480     TYR A  147   CZ                                                  
REMARK 480     ASP A  156   CG                                                  
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   OD1  ASP A   121     O    HOH A   404              2.17            
REMARK 500   N    ILE A     4     O    HOH A   401              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NZ   LYS A   202     O    HOH A   457     1655     1.79            
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    ASP A   7   C     ASP A   7   O      -0.157                       
REMARK 500    ASP A   7   C     MET A   8   N       0.185                       
REMARK 500    HIS A  21   NE2   HIS A  21   CD2    -0.070                       
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    ASP A   7   CB  -  CA  -  C   ANGL. DEV. =  16.7 DEGREES          
REMARK 500    ASP A   7   O   -  C   -  N   ANGL. DEV. =  12.2 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    PHE A  68       57.55    -93.36                                   
REMARK 500    ASP A  77       99.52    -67.01                                   
REMARK 500    ASP A 150       49.40     35.91                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4DXI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4DXM   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4DXN   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4DXP   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4DXQ   RELATED DB: PDB                                   
DBREF  4DXO A    1   230  PDB    4DXO     4DXO             1    230             
SEQRES   1 A  228  MET SER VAL ILE LYS SER ASP MET LYS ILE LYS LEU ARG          
SEQRES   2 A  228  MET GLU GLY THR VAL ASN GLY HIS LYS PHE VAL ILE GLU          
SEQRES   3 A  228  GLY GLU GLY GLU GLY LYS PRO TYR GLU GLY THR GLN THR          
SEQRES   4 A  228  MET ASN LEU LYS VAL LYS GLU GLY ALA PRO LEU PRO PHE          
SEQRES   5 A  228  ALA TYR ASP ILE LEU THR THR ALA PHE CR8 ASN ARG VAL          
SEQRES   6 A  228  PHE ALA LYS TYR PRO LYS ASP ILE PRO ASP TYR PHE LYS          
SEQRES   7 A  228  GLN SER PHE PRO GLU GLY TYR SER TRP GLU ARG SER MET          
SEQRES   8 A  228  THR PHE GLU ASP GLY GLY ILE CYS THR ALA ARG ASN ASP          
SEQRES   9 A  228  ILE THR LEU GLU GLY ASP CYS PHE PHE ASN GLU ILE ARG          
SEQRES  10 A  228  PHE ASP GLY VAL ASN PHE PRO PRO ASN GLY PRO VAL MET          
SEQRES  11 A  228  GLN LYS LYS THR LEU LYS TRP GLU PRO SER THR GLU LYS          
SEQRES  12 A  228  MET TYR VAL ARG ASP GLY VAL LEU MET GLY ASP VAL ASN          
SEQRES  13 A  228  MET ALA LEU LEU LEU GLU GLY GLY GLY HIS TYR ARG CYS          
SEQRES  14 A  228  ASP PHE LYS THR THR TYR LYS ALA LYS LYS GLY VAL GLN          
SEQRES  15 A  228  LEU PRO ASP TYR HIS PHE VAL ASP HIS CYS ILE GLU ILE          
SEQRES  16 A  228  LEU SER HIS ASP LYS ASP TYR ASN ASN VAL LYS LEU TYR          
SEQRES  17 A  228  GLU HIS ALA VAL ALA HIS SER GLY LEU PRO ARG GLN ALA          
SEQRES  18 A  228  LYS HIS HIS HIS HIS HIS HIS                                  
MODRES 4DXO CR8 A   63  HIS                                                     
MODRES 4DXO CR8 A   63  TYR                                                     
MODRES 4DXO CR8 A   63  GLY                                                     
HET    CR8  A  63      25                                                       
HET     NA  A 301       1                                                       
HETNAM     CR8 2-[1-AMINO-2-(1H-IMIDAZOL-5-YL)ETHYL]-1-                         
HETNAM   2 CR8  (CARBOXYMETHYL)-4-[(4-OXOCYCLOHEXA-2,5-DIEN-1-                  
HETNAM   3 CR8  YLIDENE)METHYL]-1H-IMIDAZOL-5-OLATE                             
HETNAM      NA SODIUM ION                                                       
HETSYN     CR8 CHROMOPHORE (HIS-TYR-GLY)                                        
FORMUL   1  CR8    C17 H16 N5 O4 1-                                             
FORMUL   2   NA    NA 1+                                                        
FORMUL   3  HOH   *60(H2 O)                                                     
HELIX    1   1 ALA A   53  LEU A   57  5                                   5    
HELIX    2   2 ASP A   77  SER A   82  1                                   6    
SHEET    1   A13 THR A 136  TRP A 139  0                                        
SHEET    2   A13 VAL A 152  LEU A 163 -1  O  LEU A 162   N  LEU A 137           
SHEET    3   A13 HIS A 168  ALA A 179 -1  O  TYR A 177   N  LEU A 153           
SHEET    4   A13 TYR A  87  PHE A  95 -1  N  SER A  88   O  LYS A 178           
SHEET    5   A13 ILE A 100  GLU A 110 -1  O  ALA A 103   N  ARG A  91           
SHEET    6   A13 CYS A 113  VAL A 123 -1  O  PHE A 115   N  THR A 108           
SHEET    7   A13 MET A   8  VAL A  18  1  N  ARG A  13   O  ILE A 118           
SHEET    8   A13 HIS A  21  LYS A  32 -1  O  GLY A  29   N  ILE A  10           
SHEET    9   A13 THR A  37  GLU A  46 -1  O  THR A  39   N  GLU A  30           
SHEET   10   A13 ASN A 206  HIS A 216 -1  O  VAL A 207   N  LEU A  42           
SHEET   11   A13 HIS A 189  HIS A 200 -1  N  ASP A 192   O  VAL A 214           
SHEET   12   A13 SER A 142  ARG A 149 -1  N  SER A 142   O  HIS A 193           
SHEET   13   A13 VAL A 152  LEU A 163 -1  O  ASP A 156   N  LYS A 145           
LINK         C   PHE A  61                 N1  CR8 A  63     1555   1555  1.32  
LINK         C3  CR8 A  63                 N   ASN A  65     1555   1555  1.33  
CISPEP   1 ALA A   48    PRO A   49          0        -7.89                     
CISPEP   2 PHE A   83    PRO A   84          0         8.42                     
CRYST1   47.650   78.340  119.430  90.00  90.00  90.00 I 2 2 2       8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.020986  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012765  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008373        0.00000