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Database: PDB
Entry: 2ASK
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HEADER    HORMONE/GROWTH FACTOR                   23-AUG-05   2ASK              
TITLE     STRUCTURE OF HUMAN ARTEMIN                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ARTEMIN;                                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS                             
KEYWDS    GLIAL CELL DERIVED FAMILY LIGAND, NEUROTRPHOIC GROWTH                 
KEYWDS   2 FACTOR, SULFATES, HORMONE/GROWTH FACTOR COMPLEX                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.SILVIAN,P.JIN,P.CARMILLO,P.A.BORIACK-SJODIN,C.PELLETIER,            
AUTHOR   2 M.RUSHE,B.J.GONG,D.SAH,B.PEPINSKY,A.ROSSOMANDO                       
REVDAT   2   24-FEB-09 2ASK    1       VERSN                                    
REVDAT   1   13-JUN-06 2ASK    0                                                
JRNL        AUTH   L.SILVIAN,P.JIN,P.CARMILLO,P.A.BORIACK-SJODIN,               
JRNL        AUTH 2 C.PELLETIER,M.RUSHE,B.J.GONG,D.SAH,B.PEPINSKY,               
JRNL        AUTH 3 A.ROSSOMANDO                                                 
JRNL        TITL   ARTEMIN CRYSTAL STRUCTURE REVEALS INSIGHTS INTO              
JRNL        TITL 2 HEPARAN SULFATE BINDING.                                     
JRNL        REF    BIOCHEMISTRY                  V.  45  6801 2006              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16734417                                                     
JRNL        DOI    10.1021/BI060035X                                            
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNX 2002                                             
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN,ACCELRYS                   
REMARK   3               : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA,            
REMARK   3               : YIP,DZAKULA)                                         
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.60                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 483024.530                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 28955                          
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) : 0.231                           
REMARK   3   R VALUE            (WORKING SET) : 0.221                           
REMARK   3   FREE R VALUE                     : 0.255                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1426                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE     (WORKING + TEST SET, NO CUTOFF) : NULL                 
REMARK   3   R VALUE            (WORKING SET, NO CUTOFF) : NULL                 
REMARK   3   FREE R VALUE                    (NO CUTOFF) : NULL                 
REMARK   3   FREE R VALUE TEST SET SIZE   (%, NO CUTOFF) : NULL                 
REMARK   3   FREE R VALUE TEST SET COUNT     (NO CUTOFF) : NULL                 
REMARK   3   ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL                 
REMARK   3   TOTAL NUMBER OF REFLECTIONS     (NO CUTOFF) : 29322                
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) : 1.55                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.65                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4236                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2800                       
REMARK   3   BIN FREE R VALUE                    : 0.2940                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 225                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1528                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 212                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -5.50000                                             
REMARK   3    B22 (A**2) : 9.05000                                              
REMARK   3    B33 (A**2) : -3.55000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -2.62000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.17                            
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) : 0.23                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.18                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.40                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.04                            
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) : 1.050 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.640 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.700 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.350 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.43                                                 
REMARK   3   BSOL        : 60.83                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED                   
REMARK   4                                                                      
REMARK   4 2ASK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-AUG-05.                  
REMARK 100 THE RCSB ID CODE IS RCSB034263.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-NOV-01; NULL                    
REMARK 200  TEMPERATURE           (KELVIN) : 100; NULL                          
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 7                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; NULL                            
REMARK 200  RADIATION SOURCE               : NSLS; NULL                         
REMARK 200  BEAMLINE                       : X4A; NULL                          
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0; NULL                          
REMARK 200  MONOCHROMATOR                  : SI(111); CONFOCAL BLUE MIRRORS     
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; NULL                          
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4; NULL               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29225                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : 3.200                              
REMARK 200  R MERGE                    (I) : 0.06400                            
REMARK 200  R SYM                      (I) : 0.06400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.31000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR                          
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM SULFATE, MES, PH 6.5,          
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.15K                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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+1/2,Y+1/2,Z                                           
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        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       57.31550            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       16.83700            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       57.31550            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       16.83700            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4740 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11010 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -104.0 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11540 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 19950 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -222.0 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 350   BIOMT1   2 -1.000000  0.000000  0.000000      229.26200            
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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10160 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 21340 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -220.0 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 350   BIOMT1   2 -1.000000  0.000000  0.000000      237.90872            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -54.90328            
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     ALA A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     SER A     6                                                      
REMARK 465     ARG A     7                                                      
REMARK 465     ALA A     8                                                      
REMARK 465     ARG A     9                                                      
REMARK 465     ALA A    10                                                      
REMARK 465     ALA A    11                                                      
REMARK 465     GLY A    12                                                      
REMARK 465     ALA B     1                                                      
REMARK 465     GLY B     2                                                      
REMARK 465     GLY B     3                                                      
REMARK 465     PRO B     4                                                      
REMARK 465     GLY B     5                                                      
REMARK 465     SER B     6                                                      
REMARK 465     ARG B     7                                                      
REMARK 465     ALA B     8                                                      
REMARK 465     ARG B     9                                                      
REMARK 465     ALA B    10                                                      
REMARK 465     ALA B    11                                                      
REMARK 465     GLY B    12                                                      
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     ARG A   17   NE    CZ    NH1   NH2                               
REMARK 480     ARG A   33   CG    CD    NE    CZ    NH1   NH2                   
REMARK 480     ARG A  103   C     NE    CZ    NH1   NH2                         
REMARK 480     ARG B   17   NE    CZ    NH1   NH2                               
REMARK 480     ARG B   48   NE    CZ    NH1   NH2                               
REMARK 480     ARG B   74   NE    CZ    NH1   NH2                               
REMARK 480     ARG B   85   CG    CD    NE    CZ    NH1   NH2                   
REMARK 480     ASP B  102   CG    OD1   OD2                                     
REMARK 480     ARG B  103   NE    CZ    NH1   NH2                               
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    PRO A  69      109.04    -58.22                                   
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 SO4 B 501                 
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 502                 
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503                 
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 504                 
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 505                 
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 506                 
DBREF  2ASK A    1   113  GB     55959167 CAI16797       108    220             
DBREF  2ASK B    1   113  GB     55959167 CAI16797       108    220             
SEQRES   1 A  113  ALA GLY GLY PRO GLY SER ARG ALA ARG ALA ALA GLY ALA          
SEQRES   2 A  113  ARG GLY CYS ARG LEU ARG SER GLN LEU VAL PRO VAL ARG          
SEQRES   3 A  113  ALA LEU GLY LEU GLY HIS ARG SER ASP GLU LEU VAL ARG          
SEQRES   4 A  113  PHE ARG PHE CYS SER GLY SER CYS ARG ARG ALA ARG SER          
SEQRES   5 A  113  PRO HIS ASP LEU SER LEU ALA SER LEU LEU GLY ALA GLY          
SEQRES   6 A  113  ALA LEU ARG PRO PRO PRO GLY SER ARG PRO VAL SER GLN          
SEQRES   7 A  113  PRO CYS CYS ARG PRO THR ARG TYR GLU ALA VAL SER PHE          
SEQRES   8 A  113  MET ASP VAL ASN SER THR TRP ARG THR VAL ASP ARG LEU          
SEQRES   9 A  113  SER ALA THR ALA CYS GLY CYS LEU GLY                          
SEQRES   1 B  113  ALA GLY GLY PRO GLY SER ARG ALA ARG ALA ALA GLY ALA          
SEQRES   2 B  113  ARG GLY CYS ARG LEU ARG SER GLN LEU VAL PRO VAL ARG          
SEQRES   3 B  113  ALA LEU GLY LEU GLY HIS ARG SER ASP GLU LEU VAL ARG          
SEQRES   4 B  113  PHE ARG PHE CYS SER GLY SER CYS ARG ARG ALA ARG SER          
SEQRES   5 B  113  PRO HIS ASP LEU SER LEU ALA SER LEU LEU GLY ALA GLY          
SEQRES   6 B  113  ALA LEU ARG PRO PRO PRO GLY SER ARG PRO VAL SER GLN          
SEQRES   7 B  113  PRO CYS CYS ARG PRO THR ARG TYR GLU ALA VAL SER PHE          
SEQRES   8 B  113  MET ASP VAL ASN SER THR TRP ARG THR VAL ASP ARG LEU          
SEQRES   9 B  113  SER ALA THR ALA CYS GLY CYS LEU GLY                          
HET    SO4  B 501       5                                                       
HET    SO4  A 502       5                                                       
HET    SO4  A 503       5                                                       
HET    SO4  A 504       5                                                       
HET    SO4  A 505       5                                                       
HET    SO4  A 506       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    6(O4 S 2-)                                                   
FORMUL   9  HOH   *212(H2 O)                                                    
HELIX    1   1 ARG A   26  GLY A   29  5                                   4    
HELIX    2   2 CYS A   47  ARG A   51  5                                   5    
HELIX    3   3 SER A   52  ALA A   64  1                                  13    
HELIX    4   4 ARG B   26  GLY B   29  5                                   4    
HELIX    5   5 CYS B   47  ARG B   51  5                                   5    
HELIX    6   6 SER B   52  ALA B   64  1                                  13    
SHEET    1   A 2 ARG A  17  PRO A  24  0                                        
SHEET    2   A 2 LEU A  37  SER A  44 -1  O  PHE A  42   N  ARG A  19           
SHEET    1   B 2 CYS A  80  MET A  92  0                                        
SHEET    2   B 2 TRP A  98  LEU A 112 -1  O  ARG A  99   N  PHE A  91           
SHEET    1   C 2 ARG B  17  PRO B  24  0                                        
SHEET    2   C 2 LEU B  37  SER B  44 -1  O  PHE B  42   N  ARG B  19           
SHEET    1   D 2 CYS B  80  MET B  92  0                                        
SHEET    2   D 2 TRP B  98  LEU B 112 -1  O  ARG B  99   N  PHE B  91           
SSBOND   1 CYS A   16    CYS A   81                          1555   1555  2.28  
SSBOND   2 CYS A   43    CYS A  109                          1555   1555  2.29  
SSBOND   3 CYS A   47    CYS A  111                          1555   1555  2.37  
SSBOND   4 CYS A   80    CYS B   80                          1555   1555  2.13  
SSBOND   5 CYS B   16    CYS B   81                          1555   1555  2.25  
SSBOND   6 CYS B   43    CYS B  109                          1555   1555  2.28  
SSBOND   7 CYS B   47    CYS B  111                          1555   1555  2.76  
SITE     1 AC1  5 ARG A  99  SER B  46  CYS B  47  ARG B  48                    
SITE     2 AC1  5 ARG B  49                                                     
SITE     1 AC2  4 SER A  46  ARG A  48  ARG A  49  HOH A 613                    
SITE     1 AC3  9 ARG A  14  SER A  46  ARG A  48  HOH A 514                    
SITE     2 AC3  9 HOH A 537  HOH A 588  GLY B  72  SER B  73                    
SITE     3 AC3  9 ARG B  99                                                     
SITE     1 AC4  9 HIS A  32  ARG A  33  SER A  34  ASP A  93                    
SITE     2 AC4  9 VAL A  94  HOH A 541  HOH A 572  HOH A 623                    
SITE     3 AC4  9 HOH B 516                                                     
SITE     1 AC5 10 ARG A  14  SER A  20  GLN A  21  LEU A  22                    
SITE     2 AC5 10 ARG A  39  HOH A 512  HOH A 534  HOH A 546                    
SITE     3 AC5 10 HOH A 560  ARG B  68                                          
SITE     1 AC6  3 ARG A  48  ARG A  51  ALA A  59                               
CRYST1  114.631   33.674   55.580  90.00  98.95  90.00 C 1 2 1       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      0.008724  0.000000  0.001374        0.00000                         
SCALE2      0.000000  0.029697  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018214        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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