PDB Short entry for 1R5C
HEADER    HYDROLASE                               10-OCT-03   1R5C              
TITLE     X-RAY STRUCTURE OF THE COMPLEX OF BOVINE SEMINAL                      
TITLE    2 RIBONUCLEASE SWAPPING DIMER WITH D(CPA)                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE, SEMINAL;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: SEMINAL RNASE, S-RNASE, RIBONUCLEASE BS-1;                  
COMPND   5 EC: 3.1.27.5                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913                                                 
KEYWDS    RIBONUCLEASES, PROTEIN DYNAMICS, PROTEIN STRUCTURE-FUNCTION,          
KEYWDS   2 X-RAY DIFFRACTION, LIGAND BINDING, POPULATION SHIFT, 3D              
KEYWDS   3 DOMAIN SWAPPING, HYDROLASE                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.MERLINO,L.VITAGLIANO,F.SICA,A.ZAGARI,L.MAZZARELLA                   
REVDAT   2   24-FEB-09 1R5C    1       VERSN                                    
REVDAT   1   13-APR-04 1R5C    0                                                
JRNL        AUTH   A.MERLINO,L.VITAGLIANO,F.SICA,A.ZAGARI,L.MAZZARELLA          
JRNL        TITL   POPULATION SHIFT VS INDUCED FIT: THE CASE OF                 
JRNL        TITL 2 BOVINE SEMINAL RIBONUCLEASE SWAPPING DIMER                   
JRNL        REF    BIOPOLYMERS                   V.  73   689 2004              
JRNL        REFN                   ISSN 0006-3525                               
JRNL        PMID   15048772                                                     
JRNL        DOI    10.1002/BIP.20016                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   L.MAZZARELLA,S.CAPASSO,D.DEMASI,G.DI LORENZO,                
REMARK   1  AUTH 2 C.A.MATTIA,A.ZAGARI                                          
REMARK   1  TITL   BOVINE SEMINAL RIBONUCLEASE: STRUCTURE AT 1.9 A              
REMARK   1  TITL 2 RESOLUTION                                                   
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  49   389 1993              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444993003403                                    
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   L.VITAGLIANO,S.ADINOLFI,A.RICCIO,F.SICA,A.ZAGARI,            
REMARK   1  AUTH 2 L.MAZZARELLA                                                 
REMARK   1  TITL   BINDING OF A SUBSTRATE ANALOG TO A DOMAIN SWAPPING           
REMARK   1  TITL 2 PROTEIN: X-RAY STRUCTURE OF THE COMPLEX OF BOVINE            
REMARK   1  TITL 3 SEMINAL RIBONUCLEASE WITH URIDYLYL(2'-5')ADENOSINE           
REMARK   1  REF    PROTEIN SCI.                  V.   7  1691 1998              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   F.SICA,S.ADINOLFI,L.VITAGLIANO,A.ZAGARI,S.CAPASSO,           
REMARK   1  AUTH 2 L.MAZZARELLA                                                 
REMARK   1  TITL   COSOLUTE EFFECT ON CRYSTALLIZATION OF TWO                    
REMARK   1  TITL 2 DINUCLEOTIDE COMPLEXES OF BOVINE SEMINAL                     
REMARK   1  TITL 3 RIBONUCLEASE FROM CONCENTRATED SALT SOLUTIONS                
REMARK   1  REF    J.CRYST.GROWTH                V. 168   192 1996              
REMARK   1  REFN                   ISSN 0022-0248                               
REMARK   1  DOI    10.1016/0022-0248(96)00354-5                                 
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   L.VITAGLIANO,S.ADINOLFI,F.SICA,A.MERLINO,A.ZAGARI,           
REMARK   1  AUTH 2 L.MAZZARELLA                                                 
REMARK   1  TITL   A POTENTIAL ALLOSTERIC SUBSITE GENERATED BY DOMAIN           
REMARK   1  TITL 2 SWAPPING IN BOVINE SEMINAL RIBONUCLEASE                      
REMARK   1  REF    J.MOL.BIOL.                   V. 293   569 1999              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.1999.3158                                       
REMARK   1 REFERENCE 5                                                          
REMARK   1  TITL   CRYSTALLIZATION OF MULTIPLE FORMS OF BOVINE                  
REMARK   1  TITL 2 SEMINAL RIBONUCLEASE: THE LIGANDED AND UNLIGANDED            
REMARK   1  TITL 3 STATE                                                        
REMARK   1  REF    J.CRYST.GROWTH                V. 196   305 1999              
REMARK   1  REFN                   ISSN 0022-0248                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 12054                          
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) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.242                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 615                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1882                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 74                                      
REMARK   3   SOLVENT ATOMS            : 91                                      
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.60                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1R5C COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-OCT-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB020456.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-NOV-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 5.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : ENRAF-NONIUS                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : MIRRORS                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAC SCIENCE DIP-2030B              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13184                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.06300                            
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) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.15                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.27900                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1BSR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 62-64% SATURATION AMMONIUM SULFATE,      
REMARK 280  8-10% 2-METHYL-2,4-PENTANDIOL, DINUCLEOTIDE-PROTEIN MOLAR           
REMARK 280  RATIO OF 8:1, PH 5.4, MICRO-BATCH, TEMPERATURE 293K                 
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       24.77000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       41.84500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.01000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       41.84500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       24.77000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.01000            
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5570 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12900 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 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 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    ASP A  14       65.38   -153.46                                   
REMARK 500    HIS A  48       31.89    -99.02                                   
REMARK 500    GLN A  60     -135.09   -106.11                                   
REMARK 500    GLN B  60     -141.84   -102.96                                   
REMARK 500    ASN B  71       32.61    -97.72                                   
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 CPA A 125                 
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CPA B 126                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1R5D   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN, UNLIGANDED                                             
DBREF  1R5C A    1   124  UNP    P00669   RNS_BOVIN       27    150             
DBREF  1R5C B    1   124  UNP    P00669   RNS_BOVIN       27    150             
SEQRES   1 A  124  LYS GLU SER ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 A  124  ASP SER GLY ASN SER PRO SER SER SER SER ASN TYR CYS          
SEQRES   3 A  124  ASN LEU MET MET CYS CYS ARG LYS MET THR GLN GLY LYS          
SEQRES   4 A  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 A  124  ASP VAL LYS ALA VAL CYS SER GLN LYS LYS VAL THR CYS          
SEQRES   6 A  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER LYS SER THR          
SEQRES   7 A  124  MET ARG ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 A  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN VAL GLU LYS          
SEQRES   9 A  124  HIS ILE ILE VAL ALA CYS GLY GLY LYS PRO SER VAL PRO          
SEQRES  10 A  124  VAL HIS PHE ASP ALA SER VAL                                  
SEQRES   1 B  124  LYS GLU SER ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 B  124  ASP SER GLY ASN SER PRO SER SER SER SER ASN TYR CYS          
SEQRES   3 B  124  ASN LEU MET MET CYS CYS ARG LYS MET THR GLN GLY LYS          
SEQRES   4 B  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 B  124  ASP VAL LYS ALA VAL CYS SER GLN LYS LYS VAL THR CYS          
SEQRES   6 B  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER LYS SER THR          
SEQRES   7 B  124  MET ARG ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 B  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN VAL GLU LYS          
SEQRES   9 B  124  HIS ILE ILE VAL ALA CYS GLY GLY LYS PRO SER VAL PRO          
SEQRES  10 B  124  VAL HIS PHE ASP ALA SER VAL                                  
HET    CPA  A 125      37                                                       
HET    CPA  B 126      37                                                       
HETNAM     CPA 2'-DEOXYCYTIDINE-2'-DEOXYADENOSINE-3',5'-MONOPHOSPHATE           
FORMUL   3  CPA    2(C19 H25 N8 O9 P)                                           
FORMUL   5  HOH   *91(H2 O)                                                     
HELIX    1   1 SER A    3  MET A   13  1                                  11    
HELIX    2   2 SER A   21  SER A   23  5                                   3    
HELIX    3   3 ASN A   24  ARG A   33  1                                  10    
HELIX    4   4 SER A   50  VAL A   57  1                                   8    
HELIX    5   5 CYS A   58  GLN A   60  5                                   3    
HELIX    6   6 SER B    3  MET B   13  1                                  11    
HELIX    7   7 SER B   21  SER B   23  5                                   3    
HELIX    8   8 ASN B   24  ARG B   33  1                                  10    
HELIX    9   9 SER B   50  ALA B   56  1                                   7    
HELIX   10  10 VAL B   57  GLN B   60  5                                   4    
SHEET    1   A 5 VAL A  43  VAL A  47  0                                        
SHEET    2   A 5 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3   A 5 TYR A  97  GLY A 111 -1  O  THR A 100   N  ASP A  83           
SHEET    4   A 5 CYS A  72  GLN A  74 -1  N  TYR A  73   O  VAL A 108           
SHEET    5   A 5 LYS A  61  VAL A  63 -1  N  LYS A  61   O  GLN A  74           
SHEET    1   B 4 VAL A  43  VAL A  47  0                                        
SHEET    2   B 4 MET A  79  GLU A  86 -1  O  THR A  82   N  PHE A  46           
SHEET    3   B 4 TYR A  97  GLY A 111 -1  O  THR A 100   N  ASP A  83           
SHEET    4   B 4 VAL A 116  VAL A 124 -1  O  VAL A 118   N  ALA A 109           
SHEET    1   C 5 VAL B  43  VAL B  47  0                                        
SHEET    2   C 5 MET B  79  GLU B  86 -1  O  THR B  82   N  PHE B  46           
SHEET    3   C 5 TYR B  97  GLY B 111 -1  O  THR B 100   N  ASP B  83           
SHEET    4   C 5 CYS B  72  GLN B  74 -1  N  TYR B  73   O  VAL B 108           
SHEET    5   C 5 LYS B  61  VAL B  63 -1  N  VAL B  63   O  CYS B  72           
SHEET    1   D 4 VAL B  43  VAL B  47  0                                        
SHEET    2   D 4 MET B  79  GLU B  86 -1  O  THR B  82   N  PHE B  46           
SHEET    3   D 4 TYR B  97  GLY B 111 -1  O  THR B 100   N  ASP B  83           
SHEET    4   D 4 VAL B 116  VAL B 124 -1  O  VAL B 124   N  HIS B 105           
SSBOND   1 CYS A   26    CYS A   84                          1555   1555  2.03  
SSBOND   2 CYS A   31    CYS B   32                          1555   1555  2.05  
SSBOND   3 CYS A   32    CYS B   31                          1555   1555  2.03  
SSBOND   4 CYS A   40    CYS A   95                          1555   1555  2.02  
SSBOND   5 CYS A   58    CYS A  110                          1555   1555  2.01  
SSBOND   6 CYS A   65    CYS A   72                          1555   1555  2.03  
SSBOND   7 CYS B   26    CYS B   84                          1555   1555  2.02  
SSBOND   8 CYS B   40    CYS B   95                          1555   1555  2.03  
SSBOND   9 CYS B   58    CYS B  110                          1555   1555  2.04  
SSBOND  10 CYS B   65    CYS B   72                          1555   1555  2.02  
CISPEP   1 TYR A   92    PRO A   93          0        -0.18                     
CISPEP   2 LYS A  113    PRO A  114          0        -0.02                     
CISPEP   3 TYR B   92    PRO B   93          0         0.11                     
CISPEP   4 LYS B  113    PRO B  114          0         0.79                     
SITE     1 AC1 15 LYS A  41  VAL A  43  ASN A  44  THR A  45                    
SITE     2 AC1 15 CYS A  65  ASN A  67  GLN A  69  ASN A  71                    
SITE     3 AC1 15 ALA A 109  HIS A 119  PHE A 120  HOH A 210                    
SITE     4 AC1 15 GLN B  11  HIS B  12  CPA B 126                               
SITE     1 AC2 17 GLN A  11  HIS A  12  CPA A 125  LYS B  41                    
SITE     2 AC2 17 VAL B  43  ASN B  44  THR B  45  ASN B  67                    
SITE     3 AC2 17 GLN B  69  ASN B  71  ALA B 109  VAL B 118                    
SITE     4 AC2 17 HIS B 119  PHE B 120  HOH B 139  HOH B 149                    
SITE     5 AC2 17 HOH B 649                                                     
CRYST1   49.540   60.020   83.690  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      0.020190  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016660  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011950        0.00000