HEADER    TRANSFERASE                             31-MAY-07   2Q4V              
TITLE     ENSEMBLE REFINEMENT OF THE PROTEIN CRYSTAL STRUCTURE OF THIALYSINE N- 
TITLE    2 ACETYLTRANSFERASE (SSAT2) FROM HOMO SAPIENS                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIAMINE ACETYLTRANSFERASE 2;                               
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: SPERMIDINE/SPERMINE N(1)-ACETYLTRANSFERASE 2, POLYAMINE N-  
COMPND   5 ACETYLTRANSFERASE 2;                                                 
COMPND   6 EC: 2.3.1.57;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: SAT2, SSAT2;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: B834 P(RARE2);                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PVP16                                     
KEYWDS    ENSEMBLE REFINEMENT, REFINEMENT METHODOLOGY DEVELOPMENT, SSAT2,       
KEYWDS   2 BC011751, AAH11751, THIALYSINE N-ACETYLTRANSFERASE, STRUCTURAL       
KEYWDS   3 GENOMICS, PROTEIN STRUCTURE INITIATIVE, PSI, CENTER FOR EUKARYOTIC   
KEYWDS   4 STRUCTURAL GENOMICS, CESG, TRANSFERASE                               
EXPDTA    X-RAY DIFFRACTION                                                     
NUMMDL    8                                                                     
AUTHOR    E.J.LEVIN,D.A.KONDRASHOV,G.E.WESENBERG,G.N.PHILLIPS JR.,CENTER FOR    
AUTHOR   2 EUKARYOTIC STRUCTURAL GENOMICS (CESG)                                
REVDAT   8   20-NOV-24 2Q4V    1       REMARK                                   
REVDAT   7   15-NOV-23 2Q4V    1       REMARK                                   
REVDAT   6   30-AUG-23 2Q4V    1       REMARK SEQADV LINK                       
REVDAT   5   10-AUG-11 2Q4V    1       REMARK                                   
REVDAT   4   13-JUL-11 2Q4V    1       VERSN                                    
REVDAT   3   24-FEB-09 2Q4V    1       VERSN                                    
REVDAT   2   02-OCT-07 2Q4V    1       JRNL                                     
REVDAT   1   19-JUN-07 2Q4V    0                                                
JRNL        AUTH   E.J.LEVIN,D.A.KONDRASHOV,G.E.WESENBERG,G.N.PHILLIPS          
JRNL        TITL   ENSEMBLE REFINEMENT OF PROTEIN CRYSTAL STRUCTURES:           
JRNL        TITL 2 VALIDATION AND APPLICATION.                                  
JRNL        REF    STRUCTURE                     V.  15  1040 2007              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   17850744                                                     
JRNL        DOI    10.1016/J.STR.2007.06.019                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   B.W.HAN,C.A.BINGMAN,G.E.WESENBERG,G.N.PHILLIPS JR.           
REMARK   1  TITL   CRYSTAL STRUCTURE OF HOMO SAPIENS THIALYSINE                 
REMARK   1  TITL 2 NEPSILON-ACETYLTRANSFERASE (HSSSAT2) IN COMPLEX WITH ACETYL  
REMARK   1  TITL 3 COENZYME A.                                                  
REMARK   1  REF    PROTEINS                      V.  64   288 2006              
REMARK   1  REFN                   ISSN 0887-3585                               
REMARK   1  PMID   16596569                                                     
REMARK   1  DOI    10.1002/PROT.20967                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.84 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : MAXIMUM LIKELIHOOD USING AMPLITUDES             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.52                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1574805.625                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 34191                          
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 SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1719                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.84                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.96                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 81.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4520                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2340                       
REMARK   3   BIN FREE R VALUE                    : 0.3000                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 206                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2522                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 51                                      
REMARK   3   SOLVENT ATOMS            : 305                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 27.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.53000                                              
REMARK   3    B22 (A**2) : -0.32000                                             
REMARK   3    B33 (A**2) : -0.21000                                             
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.18                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.13                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.25                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.15                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 21.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.790                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.440 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.080 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.170 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.950 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 46.31                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ACO_XPLOR_PAR.TXT                              
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THIS PDB ENTRY IS A RE-REFINEMENT USING AN ENSEMBLE MODEL OF THE    
REMARK   3  PREVIOUSLY                                                          
REMARK   3  DEPOSITED SINGLE-CONFORMER STRUCTURE 2BEI AND                       
REMARK   3  THE FIRST DATA SET IN THE DEPOSITED STRUCTURE FACTOR FILE           
REMARK   3  FOR 2BEI ALONG WITH THE R-FREE SET DEFINED THEREIN. THE COORDINATES 
REMARK   3  WERE GENERATED BY AN AUTOMATED PROTOCOL FROM AN INITIAL MODEL       
REMARK   3  CONSISTING                                                          
REMARK   3  OF 8 IDENTICAL COPIES OF THE PROTEIN AND NON-WATER                  
REMARK   3  HETERO-ATOMS ASSIGNED FRACTIONAL OCCUPANCIES ADDING UP TO ONE, AND  
REMARK   3  A                                                                   
REMARK   3  SINGLE COPY OF THE SOLVENT MOLECULES. REFINEMENT WAS CARRIED OUT    
REMARK   3  WITH                                                                
REMARK   3  ALL THE CONFORMERS PRESENT SIMULTANEOUSLY AND WITH THE POTENTIAL    
REMARK   3  ENERGY                                                              
REMARK   3  TERMS CORRESPONDING TO INTERACTIONS BETWEEN THE DIFFERENT           
REMARK   3  CONFORMERS                                                          
REMARK   3  EXCLUDED. THE HELIX AND SHEET RECORDS WERE CALCULATED USING         
REMARK   3  COORDINATES                                                         
REMARK   3  FROM THE FIRST CONFORMER ONLY. THE STRUCTURE VISUALIZATION PROGRAM  
REMARK   3  PYMOL IS WELL-SUITED FOR DIRECTLY VIEWING THE ENSEMBLE MODEL        
REMARK   3  PRESENTED IN THIS PDB FILE.                                         
REMARK   4                                                                      
REMARK   4 2Q4V COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-JUN-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000043151.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
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         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RE-REFINEMENT USING          
REMARK 200  ENSEMBLE MODEL                                                      
REMARK 200 SOFTWARE USED: CNS 1.1                                               
REMARK 200 STARTING MODEL: PDB ENTRY 2BEI                                       
REMARK 200                                                                      
REMARK 200 REMARK: AUTHOR USED THE SF DATA FROM ENTRY 2BEI.                     
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.60                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       27.29150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       43.77400            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.81050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       43.77400            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.29150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.81050            
REMARK 290   SMTRY3   4  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 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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 7710 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15700 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   1 SER A     1                                                      
REMARK 465   1 ALA A     2                                                      
REMARK 465   1 SER A    31                                                      
REMARK 465   1 ASP A    32                                                      
REMARK 465   1 GLN A    33                                                      
REMARK 465   1 VAL A    34                                                      
REMARK 465   1 PRO A    61                                                      
REMARK 465   1 ALA A    62                                                      
REMARK 465   1 PRO A    63                                                      
REMARK 465   1 GLY A    64                                                      
REMARK 465   1 LYS A    65                                                      
REMARK 465   1 LEU A    66                                                      
REMARK 465   1 LEU A    67                                                      
REMARK 465   1 LYS A   170                                                      
REMARK 465   1 SER B     1                                                      
REMARK 465   1 LEU B    60                                                      
REMARK 465   1 PRO B    61                                                      
REMARK 465   1 ALA B    62                                                      
REMARK 465   1 PRO B    63                                                      
REMARK 465   1 GLY B    64                                                      
REMARK 465   1 LYS B    65                                                      
REMARK 465   1 LEU B    66                                                      
REMARK 465   1 LEU B    67                                                      
REMARK 465   1 GLY B    68                                                      
REMARK 465   1 PRO B    69                                                      
REMARK 465   2 SER A     1                                                      
REMARK 465   2 ALA A     2                                                      
REMARK 465   2 SER A    31                                                      
REMARK 465   2 ASP A    32                                                      
REMARK 465   2 GLN A    33                                                      
REMARK 465   2 VAL A    34                                                      
REMARK 465   2 PRO A    61                                                      
REMARK 465   2 ALA A    62                                                      
REMARK 465   2 PRO A    63                                                      
REMARK 465   2 GLY A    64                                                      
REMARK 465   2 LYS A    65                                                      
REMARK 465   2 LEU A    66                                                      
REMARK 465   2 LEU A    67                                                      
REMARK 465   2 LYS A   170                                                      
REMARK 465   2 SER B     1                                                      
REMARK 465   2 LEU B    60                                                      
REMARK 465   2 PRO B    61                                                      
REMARK 465   2 ALA B    62                                                      
REMARK 465   2 PRO B    63                                                      
REMARK 465   2 GLY B    64                                                      
REMARK 465   2 LYS B    65                                                      
REMARK 465   2 LEU B    66                                                      
REMARK 465   2 LEU B    67                                                      
REMARK 465   2 GLY B    68                                                      
REMARK 465   2 PRO B    69                                                      
REMARK 465   3 SER A     1                                                      
REMARK 465   3 ALA A     2                                                      
REMARK 465   3 SER A    31                                                      
REMARK 465   3 ASP A    32                                                      
REMARK 465   3 GLN A    33                                                      
REMARK 465   3 VAL A    34                                                      
REMARK 465   3 PRO A    61                                                      
REMARK 465   3 ALA A    62                                                      
REMARK 465   3 PRO A    63                                                      
REMARK 465   3 GLY A    64                                                      
REMARK 465   3 LYS A    65                                                      
REMARK 465   3 LEU A    66                                                      
REMARK 465   3 LEU A    67                                                      
REMARK 465   3 LYS A   170                                                      
REMARK 465   3 SER B     1                                                      
REMARK 465   3 LEU B    60                                                      
REMARK 465   3 PRO B    61                                                      
REMARK 465   3 ALA B    62                                                      
REMARK 465   3 PRO B    63                                                      
REMARK 465   3 GLY B    64                                                      
REMARK 465   3 LYS B    65                                                      
REMARK 465   3 LEU B    66                                                      
REMARK 465   3 LEU B    67                                                      
REMARK 465   3 GLY B    68                                                      
REMARK 465   3 PRO B    69                                                      
REMARK 465   4 SER A     1                                                      
REMARK 465   4 ALA A     2                                                      
REMARK 465   4 SER A    31                                                      
REMARK 465   4 ASP A    32                                                      
REMARK 465   4 GLN A    33                                                      
REMARK 465   4 VAL A    34                                                      
REMARK 465   4 PRO A    61                                                      
REMARK 465   4 ALA A    62                                                      
REMARK 465   4 PRO A    63                                                      
REMARK 465   4 GLY A    64                                                      
REMARK 465   4 LYS A    65                                                      
REMARK 465   4 LEU A    66                                                      
REMARK 465   4 LEU A    67                                                      
REMARK 465   4 LYS A   170                                                      
REMARK 465   4 SER B     1                                                      
REMARK 465   4 LEU B    60                                                      
REMARK 465   4 PRO B    61                                                      
REMARK 465   4 ALA B    62                                                      
REMARK 465   4 PRO B    63                                                      
REMARK 465   4 GLY B    64                                                      
REMARK 465   4 LYS B    65                                                      
REMARK 465   4 LEU B    66                                                      
REMARK 465   4 LEU B    67                                                      
REMARK 465   4 GLY B    68                                                      
REMARK 465   4 PRO B    69                                                      
REMARK 465   5 SER A     1                                                      
REMARK 465   5 ALA A     2                                                      
REMARK 465   5 SER A    31                                                      
REMARK 465   5 ASP A    32                                                      
REMARK 465   5 GLN A    33                                                      
REMARK 465   5 VAL A    34                                                      
REMARK 465   5 PRO A    61                                                      
REMARK 465   5 ALA A    62                                                      
REMARK 465   5 PRO A    63                                                      
REMARK 465   5 GLY A    64                                                      
REMARK 465   5 LYS A    65                                                      
REMARK 465   5 LEU A    66                                                      
REMARK 465   5 LEU A    67                                                      
REMARK 465   5 LYS A   170                                                      
REMARK 465   5 SER B     1                                                      
REMARK 465   5 LEU B    60                                                      
REMARK 465   5 PRO B    61                                                      
REMARK 465   5 ALA B    62                                                      
REMARK 465   5 PRO B    63                                                      
REMARK 465   5 GLY B    64                                                      
REMARK 465   5 LYS B    65                                                      
REMARK 465   5 LEU B    66                                                      
REMARK 465   5 LEU B    67                                                      
REMARK 465   5 GLY B    68                                                      
REMARK 465   5 PRO B    69                                                      
REMARK 465   6 SER A     1                                                      
REMARK 465   6 ALA A     2                                                      
REMARK 465   6 SER A    31                                                      
REMARK 465   6 ASP A    32                                                      
REMARK 465   6 GLN A    33                                                      
REMARK 465   6 VAL A    34                                                      
REMARK 465   6 PRO A    61                                                      
REMARK 465   6 ALA A    62                                                      
REMARK 465   6 PRO A    63                                                      
REMARK 465   6 GLY A    64                                                      
REMARK 465   6 LYS A    65                                                      
REMARK 465   6 LEU A    66                                                      
REMARK 465   6 LEU A    67                                                      
REMARK 465   6 LYS A   170                                                      
REMARK 465   6 SER B     1                                                      
REMARK 465   6 LEU B    60                                                      
REMARK 465   6 PRO B    61                                                      
REMARK 465   6 ALA B    62                                                      
REMARK 465   6 PRO B    63                                                      
REMARK 465   6 GLY B    64                                                      
REMARK 465   6 LYS B    65                                                      
REMARK 465   6 LEU B    66                                                      
REMARK 465   6 LEU B    67                                                      
REMARK 465   6 GLY B    68                                                      
REMARK 465   6 PRO B    69                                                      
REMARK 465   7 SER A     1                                                      
REMARK 465   7 ALA A     2                                                      
REMARK 465   7 SER A    31                                                      
REMARK 465   7 ASP A    32                                                      
REMARK 465   7 GLN A    33                                                      
REMARK 465   7 VAL A    34                                                      
REMARK 465   7 PRO A    61                                                      
REMARK 465   7 ALA A    62                                                      
REMARK 465   7 PRO A    63                                                      
REMARK 465   7 GLY A    64                                                      
REMARK 465   7 LYS A    65                                                      
REMARK 465   7 LEU A    66                                                      
REMARK 465   7 LEU A    67                                                      
REMARK 465   7 LYS A   170                                                      
REMARK 465   7 SER B     1                                                      
REMARK 465   7 LEU B    60                                                      
REMARK 465   7 PRO B    61                                                      
REMARK 465   7 ALA B    62                                                      
REMARK 465   7 PRO B    63                                                      
REMARK 465   7 GLY B    64                                                      
REMARK 465   7 LYS B    65                                                      
REMARK 465   7 LEU B    66                                                      
REMARK 465   7 LEU B    67                                                      
REMARK 465   7 GLY B    68                                                      
REMARK 465   7 PRO B    69                                                      
REMARK 465   8 SER A     1                                                      
REMARK 465   8 ALA A     2                                                      
REMARK 465   8 SER A    31                                                      
REMARK 465   8 ASP A    32                                                      
REMARK 465   8 GLN A    33                                                      
REMARK 465   8 VAL A    34                                                      
REMARK 465   8 PRO A    61                                                      
REMARK 465   8 ALA A    62                                                      
REMARK 465   8 PRO A    63                                                      
REMARK 465   8 GLY A    64                                                      
REMARK 465   8 LYS A    65                                                      
REMARK 465   8 LEU A    66                                                      
REMARK 465   8 LEU A    67                                                      
REMARK 465   8 LYS A   170                                                      
REMARK 465   8 SER B     1                                                      
REMARK 465   8 LEU B    60                                                      
REMARK 465   8 PRO B    61                                                      
REMARK 465   8 ALA B    62                                                      
REMARK 465   8 PRO B    63                                                      
REMARK 465   8 GLY B    64                                                      
REMARK 465   8 LYS B    65                                                      
REMARK 465   8 LEU B    66                                                      
REMARK 465   8 LEU B    67                                                      
REMARK 465   8 GLY B    68                                                      
REMARK 465   8 PRO B    69                                                      
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  1 LYS A  29       86.11     60.30                                   
REMARK 500  1 ASP A  44      -42.48   -140.57                                   
REMARK 500  1 PHE A  46      -53.04   -138.45                                   
REMARK 500  1 ASP A  48      -22.10   -174.81                                   
REMARK 500  1 ILE A  80     -154.96   -120.21                                   
REMARK 500  1 GLU A  92     -111.06    -74.92                                   
REMARK 500  1 LEU A 127      164.21    172.99                                   
REMARK 500  1 GLU A 152      -34.25   -145.72                                   
REMARK 500  1 GLU A 162      -36.59    -39.57                                   
REMARK 500  1 SER B   3      102.91    -55.83                                   
REMARK 500  1 ASP B  32      -12.00    -49.28                                   
REMARK 500  1 ASP B  44       -1.62    -58.57                                   
REMARK 500  1 ASP B  48      -93.40    -29.94                                   
REMARK 500  1 TYR B  81       79.66   -155.14                                   
REMARK 500  1 SER B  82     -134.08    -80.98                                   
REMARK 500  1 THR B  83       -0.07   -155.33                                   
REMARK 500  1 ASP B  93      147.56   -172.70                                   
REMARK 500  1 ASN B 133      108.82    -55.67                                   
REMARK 500  1 ALA B 151      -79.73   -107.90                                   
REMARK 500  2 GLU A  58     -165.44   -124.19                                   
REMARK 500  2 PRO A  69       88.28    -58.04                                   
REMARK 500  2 TYR A  78      103.62   -169.04                                   
REMARK 500  2 PHE A  79      139.65    -29.40                                   
REMARK 500  2 ILE A  80     -158.94   -134.30                                   
REMARK 500  2 GLU A  99       -7.56    -53.25                                   
REMARK 500  2 LYS A 120       19.44   -143.16                                   
REMARK 500  2 ASP B  48      -80.45    -44.15                                   
REMARK 500  2 ASP B  93      126.92   -175.03                                   
REMARK 500  2 GLN B 160     -168.89    -70.89                                   
REMARK 500  3 PHE A  46     -146.58   -139.24                                   
REMARK 500  3 ASN A  49       71.40   -110.67                                   
REMARK 500  3 GLN A 103      -25.44   -163.50                                   
REMARK 500  3 SER A 123       32.59    -87.93                                   
REMARK 500  3 GLN A 124      118.01    168.10                                   
REMARK 500  3 ILE B   6      136.13    -39.14                                   
REMARK 500  3 TRP B  84      -24.79   -158.93                                   
REMARK 500  3 ASP B  93      145.20   -170.63                                   
REMARK 500  4 TYR A  74     -179.73   -170.62                                   
REMARK 500  4 ILE A  80     -164.06   -128.21                                   
REMARK 500  4 LEU A  91       98.02    -58.50                                   
REMARK 500  4 GLN A 103       38.50   -155.85                                   
REMARK 500  4 ASN A 133       62.91   -112.26                                   
REMARK 500  4 ALA A 168       41.06    -84.71                                   
REMARK 500  4 PHE B  46       25.81   -140.44                                   
REMARK 500  4 ASN B  49       54.52   -144.53                                   
REMARK 500  4 THR B  83       -4.24    -59.66                                   
REMARK 500  4 ARG B  87      130.69    -39.40                                   
REMARK 500  4 CYS B 122      129.43    -32.39                                   
REMARK 500  4 ASN B 133       60.56    -68.76                                   
REMARK 500  5 LYS A  29      112.80     66.98                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      95 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACO A 306                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: GO.36731   RELATED DB: TARGETDB                          
REMARK 900 RELATED ID: 2BEI   RELATED DB: PDB                                   
REMARK 900 ORIGINAL REFINEMENT BASED ON SAME DATA AND R-FREE SET.               
DBREF  2Q4V A    2   170  UNP    Q96F10   SAT2_HUMAN       2    170             
DBREF  2Q4V B    2   170  UNP    Q96F10   SAT2_HUMAN       2    170             
SEQADV 2Q4V SER A    1  UNP  Q96F10              EXPRESSION TAG                 
SEQADV 2Q4V MSE A   97  UNP  Q96F10    MET    97 MODIFIED RESIDUE               
SEQADV 2Q4V MSE A  137  UNP  Q96F10    MET   137 MODIFIED RESIDUE               
SEQADV 2Q4V SER B    1  UNP  Q96F10              EXPRESSION TAG                 
SEQADV 2Q4V MSE B   97  UNP  Q96F10    MET    97 MODIFIED RESIDUE               
SEQADV 2Q4V MSE B  137  UNP  Q96F10    MET   137 MODIFIED RESIDUE               
SEQRES   1 A  170  SER ALA SER VAL ARG ILE ARG GLU ALA LYS GLU GLY ASP          
SEQRES   2 A  170  CYS GLY ASP ILE LEU ARG LEU ILE ARG GLU LEU ALA GLU          
SEQRES   3 A  170  PHE GLU LYS LEU SER ASP GLN VAL LYS ILE SER GLU GLU          
SEQRES   4 A  170  ALA LEU ARG ALA ASP GLY PHE GLY ASP ASN PRO PHE TYR          
SEQRES   5 A  170  HIS CYS LEU VAL ALA GLU ILE LEU PRO ALA PRO GLY LYS          
SEQRES   6 A  170  LEU LEU GLY PRO CYS VAL VAL GLY TYR GLY ILE TYR TYR          
SEQRES   7 A  170  PHE ILE TYR SER THR TRP LYS GLY ARG THR ILE TYR LEU          
SEQRES   8 A  170  GLU ASP ILE TYR VAL MSE PRO GLU TYR ARG GLY GLN GLY          
SEQRES   9 A  170  ILE GLY SER LYS ILE ILE LYS LYS VAL ALA GLU VAL ALA          
SEQRES  10 A  170  LEU ASP LYS GLY CYS SER GLN PHE ARG LEU ALA VAL LEU          
SEQRES  11 A  170  ASP TRP ASN GLN ARG ALA MSE ASP LEU TYR LYS ALA LEU          
SEQRES  12 A  170  GLY ALA GLN ASP LEU THR GLU ALA GLU GLY TRP HIS PHE          
SEQRES  13 A  170  PHE CYS PHE GLN GLY GLU ALA THR ARG LYS LEU ALA GLY          
SEQRES  14 A  170  LYS                                                          
SEQRES   1 B  170  SER ALA SER VAL ARG ILE ARG GLU ALA LYS GLU GLY ASP          
SEQRES   2 B  170  CYS GLY ASP ILE LEU ARG LEU ILE ARG GLU LEU ALA GLU          
SEQRES   3 B  170  PHE GLU LYS LEU SER ASP GLN VAL LYS ILE SER GLU GLU          
SEQRES   4 B  170  ALA LEU ARG ALA ASP GLY PHE GLY ASP ASN PRO PHE TYR          
SEQRES   5 B  170  HIS CYS LEU VAL ALA GLU ILE LEU PRO ALA PRO GLY LYS          
SEQRES   6 B  170  LEU LEU GLY PRO CYS VAL VAL GLY TYR GLY ILE TYR TYR          
SEQRES   7 B  170  PHE ILE TYR SER THR TRP LYS GLY ARG THR ILE TYR LEU          
SEQRES   8 B  170  GLU ASP ILE TYR VAL MSE PRO GLU TYR ARG GLY GLN GLY          
SEQRES   9 B  170  ILE GLY SER LYS ILE ILE LYS LYS VAL ALA GLU VAL ALA          
SEQRES  10 B  170  LEU ASP LYS GLY CYS SER GLN PHE ARG LEU ALA VAL LEU          
SEQRES  11 B  170  ASP TRP ASN GLN ARG ALA MSE ASP LEU TYR LYS ALA LEU          
SEQRES  12 B  170  GLY ALA GLN ASP LEU THR GLU ALA GLU GLY TRP HIS PHE          
SEQRES  13 B  170  PHE CYS PHE GLN GLY GLU ALA THR ARG LYS LEU ALA GLY          
SEQRES  14 B  170  LYS                                                          
MODRES 2Q4V MSE A   97  MET  SELENOMETHIONINE                                   
MODRES 2Q4V MSE A  137  MET  SELENOMETHIONINE                                   
MODRES 2Q4V MSE B   97  MET  SELENOMETHIONINE                                   
MODRES 2Q4V MSE B  137  MET  SELENOMETHIONINE                                   
HET    MSE  A  97       8                                                       
HET    MSE  A 137       8                                                       
HET    MSE  B  97       8                                                       
HET    MSE  B 137       8                                                       
HET    ACO  A 306      51                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     ACO ACETYL COENZYME *A                                               
FORMUL   1  MSE    4(C5 H11 N O2 SE)                                            
FORMUL   3  ACO    C23 H38 N7 O17 P3 S                                          
FORMUL   4  HOH   *305(H2 O)                                                    
HELIX    1   1 LYS A   10  GLY A   12  5                                   3    
HELIX    2   2 ASP A   13  LYS A   29  1                                  17    
HELIX    3   3 SER A   37  PHE A   46  1                                  10    
HELIX    4   4 PRO A   98  ARG A  101  5                                   4    
HELIX    5   5 GLY A  104  LYS A  120  1                                  17    
HELIX    6   6 ASN A  133  LEU A  143  1                                  11    
HELIX    7   7 GLY A  161  ALA A  168  1                                   8    
HELIX    8   8 LYS B   10  GLY B   12  5                                   3    
HELIX    9   9 ASP B   13  GLU B   28  1                                  16    
HELIX   10  10 LEU B   30  VAL B   34  5                                   5    
HELIX   11  11 SER B   37  GLY B   47  1                                  11    
HELIX   12  12 PRO B   98  ARG B  101  5                                   4    
HELIX   13  13 GLY B  104  GLY B  121  1                                  18    
HELIX   14  14 ARG B  135  ALA B  142  1                                   8    
HELIX   15  15 GLN B  160  GLY B  169  1                                  10    
SHEET    1   A 7 VAL A   4  ARG A   5  0                                        
SHEET    2   A 7 HIS A  53  ILE A  59 -1  O  GLU A  58   N  ARG A   5           
SHEET    3   A 7 CYS A  70  SER A  82 -1  O  VAL A  72   N  ALA A  57           
SHEET    4   A 7 GLY A  86  VAL A  96 -1  O  TYR A  90   N  TYR A  78           
SHEET    5   A 7 GLN A 124  VAL A 129  1  O  ARG A 126   N  LEU A  91           
SHEET    6   A 7 HIS B 155  PHE B 159 -1  O  PHE B 159   N  PHE A 125           
SHEET    7   A 7 GLN A 146  ASP A 147 -1  N  GLN A 146   O  CYS B 158           
SHEET    1   B 7 ARG B   5  GLU B   8  0                                        
SHEET    2   B 7 HIS B  53  GLU B  58 -1  O  GLU B  58   N  ARG B   5           
SHEET    3   B 7 GLY B  73  TYR B  81 -1  O  TYR B  77   N  HIS B  53           
SHEET    4   B 7 ARG B  87  VAL B  96 -1  O  TYR B  90   N  TYR B  78           
SHEET    5   B 7 GLN B 124  LEU B 130  1  O  ARG B 126   N  LEU B  91           
SHEET    6   B 7 TRP A 154  GLN A 160 -1  N  PHE A 157   O  LEU B 127           
SHEET    7   B 7 GLN B 146  ASP B 147 -1  O  GLN B 146   N  CYS A 158           
LINK         C   VAL A  96                 N   MSE A  97     1555   1555  1.33  
LINK         C   MSE A  97                 N   PRO A  98     1555   1555  1.35  
LINK         C   ALA A 136                 N   MSE A 137     1555   1555  1.33  
LINK         C   MSE A 137                 N   ASP A 138     1555   1555  1.33  
LINK         C   VAL B  96                 N   MSE B  97     1555   1555  1.33  
LINK         C   MSE B  97                 N   PRO B  98     1555   1555  1.34  
LINK         C   ALA B 136                 N   MSE B 137     1555   1555  1.33  
LINK         C   MSE B 137                 N   ASP B 138     1555   1555  1.33  
SITE     1 AC1 29 LEU A  24  PHE A  27  LEU A  91  GLU A  92                    
SITE     2 AC1 29 ASP A  93  ILE A  94  TYR A  95  VAL A  96                    
SITE     3 AC1 29 ARG A 101  GLY A 102  GLN A 103  GLY A 104                    
SITE     4 AC1 29 GLY A 106  SER A 107  LEU A 127  ALA A 128                    
SITE     5 AC1 29 ASN A 133  ARG A 135  LEU A 139  TYR A 140                    
SITE     6 AC1 29 HOH A 311  HOH A 314  HOH A 320  HOH A 364                    
SITE     7 AC1 29 ARG B 101  GLY B 102  ARG B 135  HOH B 190                    
SITE     8 AC1 29 HOH B 322                                                     
CRYST1   54.583   83.621   87.548  90.00  90.00  90.00 P 21 21 21    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      0.018321  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011959  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011422        0.00000                         
MODEL        1