HEADER    FLUORESCENT PROTEIN                     15-AUG-09   3IP2              
TITLE     CRYSTAL STRUCTURE OF RED FLUORESCENT PROTEIN NEPTUNE AT PH 7.0        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NEPTUNE RED FLUORESCENT PROTEIN;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTACMAEA QUADRICOLOR;                          
SOURCE   3 ORGANISM_TAXID: 6118;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    FLUORESCENT PROTEIN                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.Z.LIN,M.R.MCKEOWN,H.L.NG,T.A.AGUILERA,N.C.SHANER,W.MA,S.R.ADAMS,    
AUTHOR   2 R.E.CAMPBELL,T.ALBER,R.Y.TSIEN                                       
REVDAT   4   22-NOV-23 3IP2    1       REMARK                                   
REVDAT   3   06-SEP-23 3IP2    1       LINK                                     
REVDAT   2   25-AUG-10 3IP2    1       REMARK                                   
REVDAT   1   15-DEC-09 3IP2    0                                                
JRNL        AUTH   M.Z.LIN,M.R.MCKEOWN,H.L.NG,T.A.AGUILERA,N.C.SHANER,          
JRNL        AUTH 2 R.E.CAMPBELL,S.R.ADAMS,L.A.GROSS,W.MA,T.ALBER,R.Y.TSIEN      
JRNL        TITL   AUTOFLUORESCENT PROTEINS WITH EXCITATION IN THE OPTICAL      
JRNL        TITL 2 WINDOW FOR INTRAVITAL IMAGING IN MAMMALS.                    
JRNL        REF    CHEM.BIOL.                    V.  16  1169 2009              
JRNL        REFN                   ISSN 1074-5521                               
JRNL        PMID   19942140                                                     
JRNL        DOI    10.1016/J.CHEMBIOL.2009.10.009                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 2009_02_15_2320_3)            
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 65.20                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : -3.000                         
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 30735                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.173                           
REMARK   3   R VALUE            (WORKING SET) : 0.171                           
REMARK   3   FREE R VALUE                     : 0.202                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.030                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1547                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 65.2098 -  3.5582    1.00     2866   134  0.1667 0.1807        
REMARK   3     2  3.5582 -  2.8242    1.00     2717   143  0.1504 0.1834        
REMARK   3     3  2.8242 -  2.4672    1.00     2641   161  0.1568 0.1937        
REMARK   3     4  2.4672 -  2.2416    1.00     2649   154  0.1542 0.1999        
REMARK   3     5  2.2416 -  2.0809    1.00     2661   143  0.1512 0.1948        
REMARK   3     6  2.0809 -  1.9582    1.00     2641   130  0.1515 0.1901        
REMARK   3     7  1.9582 -  1.8602    1.00     2648   129  0.1661 0.2112        
REMARK   3     8  1.8602 -  1.7792    1.00     2582   145  0.1734 0.2478        
REMARK   3     9  1.7792 -  1.7107    1.00     2644   122  0.1991 0.2097        
REMARK   3    10  1.7107 -  1.6517    1.00     2582   144  0.2298 0.2834        
REMARK   3    11  1.6517 -  1.6000    1.00     2577   142  0.2614 0.2825        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.42                                          
REMARK   3   B_SOL              : 60.02                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.270            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :   NULL           NULL                                  
REMARK   3   ANGLE     :   NULL           NULL                                  
REMARK   3   CHIRALITY :   NULL           NULL                                  
REMARK   3   PLANARITY :   NULL           NULL                                  
REMARK   3   DIHEDRAL  :   NULL           NULL                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A                                                
REMARK   3    ORIGIN FOR THE GROUP (A):  -0.8391  21.7715  25.2752              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1193 T22:   0.0729                                     
REMARK   3      T33:   0.1944 T12:  -0.0047                                     
REMARK   3      T13:   0.0788 T23:  -0.0156                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.3581 L22:   1.6124                                     
REMARK   3      L33:   0.4955 L12:  -0.3917                                     
REMARK   3      L13:  -0.2164 L23:  -0.1930                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1052 S12:   0.0130 S13:   0.5749                       
REMARK   3      S21:  -0.0876 S22:   0.0287 S23:  -0.1846                       
REMARK   3      S31:  -0.0872 S32:  -0.0176 S33:  -0.1362                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: TLS REFINEMENT                            
REMARK   4                                                                      
REMARK   4 3IP2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-AUG-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054686.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-APR-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.11586                            
REMARK 200  MONOCHROMATOR                  : KHOZU DOUBLE FLAT CRYSTAL          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30755                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 92.100                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 8.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.68                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.77800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
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 ENTRY 3BXA                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.39                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1 UL OF PROTEIN AT 10 MG/ML WAS MIXED    
REMARK 280  WITH 1 UL OF 0.1 M HEPES, 0.2 M CACL2, 20% PEG 6000, PH 7.0,        
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 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   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/2                                      
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   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       46.07200            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       46.07200            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.60800            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       46.07200            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       46.07200            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       26.60800            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       46.07200            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       46.07200            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       26.60800            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       46.07200            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.07200            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       26.60800            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
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 300 REMARK: AUTHORS STATE THAT THIS IS A WEAK DIMER (DISSOCIATION        
REMARK 300 CONSTANT 500 NANOMOLAR).                                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4410 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18690 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       53.21600            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 420  LIES ON A SPECIAL POSITION.                          
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     GLY A    -3                                                      
REMARK 465     VAL A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     LYS A     0                                                      
REMARK 465     GLY A     1                                                      
REMARK 465     ASN A   233                                                      
REMARK 465     GLY A   234                                                      
REMARK 465     MET A   235                                                      
REMARK 465     ASP A   236                                                      
REMARK 465     GLU A   237                                                      
REMARK 465     LEU A   238                                                      
REMARK 465     TYR A   239                                                      
REMARK 465     LYS A   240                                                      
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   OD2  ASP A   159     OD2  ASP A   159     8556     2.16            
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    ARG A 197   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 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    PHE A  69       58.30    -99.14                                   
REMARK 500    THR A  73     -172.71     54.64                                   
REMARK 500    LYS A 231      -13.02    166.35                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 RESIDUES MET 63, TYR 64 AND GLY 65 AUTOCATALYTICALLY FORM THE        
REMARK 999 CHROMOPHORE NRQ LABELLED AS RESIDUE 63 IN THE COORDINATES.           
DBREF  3IP2 A   -3   240  PDB    3IP2     3IP2            -3    240             
SEQRES   1 A  242  GLY VAL SER LYS GLY GLU GLU LEU ILE LYS GLU ASP MET          
SEQRES   2 A  242  HIS MET LYS LEU TYR MET GLU GLY THR VAL ASN ASN HIS          
SEQRES   3 A  242  HIS PHE LYS CYS THR SER GLU GLY GLU GLY LYS PRO TYR          
SEQRES   4 A  242  GLU GLY THR GLN THR GLY ARG ILE LYS VAL VAL GLU GLY          
SEQRES   5 A  242  GLY PRO LEU PRO PHE ALA PHE ASP ILE LEU ALA THR CYS          
SEQRES   6 A  242  PHE NRQ SER LYS THR PHE ILE ASN HIS THR GLN GLY ILE          
SEQRES   7 A  242  PRO ASP PHE PHE LYS GLN SER PHE PRO GLU GLY PHE THR          
SEQRES   8 A  242  TRP GLU ARG VAL THR THR TYR GLU ASP GLY GLY VAL LEU          
SEQRES   9 A  242  THR ALA THR GLN ASP THR SER LEU GLN ASP GLY CYS LEU          
SEQRES  10 A  242  ILE TYR ASN VAL LYS ILE ARG GLY VAL ASN PHE PRO SER          
SEQRES  11 A  242  ASN GLY PRO VAL MET GLN LYS LYS THR LEU GLY TRP GLU          
SEQRES  12 A  242  ALA SER THR GLU MET LEU TYR PRO ALA ASP GLY GLY LEU          
SEQRES  13 A  242  GLU GLY ARG CYS ASP MET ALA LEU LYS LEU VAL GLY GLY          
SEQRES  14 A  242  GLY HIS LEU ILE CYS ASN LEU LYS THR THR TYR ARG SER          
SEQRES  15 A  242  LYS LYS PRO ALA LYS ASN LEU LYS MET PRO GLY VAL TYR          
SEQRES  16 A  242  PHE VAL ASP ARG ARG LEU GLU ARG ILE LYS GLU ALA ASP          
SEQRES  17 A  242  ASN GLU THR TYR VAL GLU GLN HIS GLU VAL ALA VAL ALA          
SEQRES  18 A  242  ARG TYR CYS ASP LEU PRO SER LYS LEU GLY HIS LYS LEU          
SEQRES  19 A  242  ASN GLY MET ASP GLU LEU TYR LYS                              
MODRES 3IP2 NRQ A   63  MET                                                     
MODRES 3IP2 NRQ A   63  TYR                                                     
MODRES 3IP2 NRQ A   63  GLY                                                     
HET    NRQ  A  63      25                                                       
HETNAM     NRQ {(4Z)-4-(4-HYDROXYBENZYLIDENE)-2-[3-(METHYLTHIO)                 
HETNAM   2 NRQ  PROPANIMIDOYL]-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-                 
HETNAM   3 NRQ  YL}ACETIC ACID                                                  
HETSYN     NRQ CHROMOPHORE (MET-TYR-GLY)                                        
FORMUL   1  NRQ    C16 H17 N3 O4 S                                              
FORMUL   2  HOH   *212(H2 O)                                                    
HELIX    1   1 ALA A   54  PHE A   62  5                                   9    
HELIX    2   2 PHE A   80  PHE A   84  5                                   5    
HELIX    3   3 GLY A  130  LYS A  135  1                                   6    
HELIX    4   4 PRO A  183  LEU A  187  5                                   5    
SHEET    1   A13 THR A 137  TRP A 140  0                                        
SHEET    2   A13 GLY A 153  LEU A 164 -1  O  LYS A 163   N  GLY A 139           
SHEET    3   A13 HIS A 169  SER A 180 -1  O  TYR A 178   N  LEU A 154           
SHEET    4   A13 PHE A  88  TYR A  96 -1  N  THR A  95   O  ASN A 173           
SHEET    5   A13 VAL A 101  GLN A 111 -1  O  GLN A 106   N  TRP A  90           
SHEET    6   A13 CYS A 114  VAL A 124 -1  O  ILE A 116   N  SER A 109           
SHEET    7   A13 MET A   9  VAL A  19  1  N  LYS A  12   O  TYR A 117           
SHEET    8   A13 HIS A  22  LYS A  33 -1  O  SER A  28   N  LEU A  13           
SHEET    9   A13 THR A  38  GLU A  47 -1  O  LYS A  44   N  THR A  27           
SHEET   10   A13 TYR A 210  ARG A 220 -1  O  VAL A 211   N  ILE A  43           
SHEET   11   A13 TYR A 193  ALA A 205 -1  N  ILE A 202   O  GLU A 212           
SHEET   12   A13 SER A 143  ALA A 150 -1  N  LEU A 147   O  TYR A 193           
SHEET   13   A13 GLY A 153  LEU A 164 -1  O  ARG A 157   N  MET A 146           
LINK         C   PHE A  62                 N1  NRQ A  63     1555   1555  1.46  
LINK         C3  NRQ A  63                 N   SER A  66     1555   1555  1.31  
CISPEP   1 GLY A   49    PRO A   50          0        -1.50                     
CISPEP   2 PHE A   84    PRO A   85          0         6.46                     
CISPEP   3 GLY A  229    HIS A  230          0         0.84                     
CISPEP   4 HIS A  230    LYS A  231          0        -9.22                     
CRYST1   92.144   92.144   53.216  90.00  90.00  90.00 P 42 21 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      0.010853  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010853  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018791        0.00000