HEADER    HYDROLASE                               11-MAR-99   11BG              
TITLE     A POTENTIAL ALLOSTERIC SUBSITE GENERATED BY DOMAIN SWAPPING IN BOVINE 
TITLE    2 SEMINAL RIBONUCLEASE                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (BOVINE SEMINAL RIBONUCLEASE);                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.1.27.5;                                                        
COMPND   5 OTHER_DETAILS: COMPLEXED WITH 2',5'-UPG                              
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 OTHER_DETAILS: BOVINE (BOS TAURUS) SEMINAL FLUID                     
KEYWDS    HYDROLASE, PHOSPHORIC DIESTER, RNA                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.VITAGLIANO,S.ADINOLFI,F.SICA,A.MERLINO,A.ZAGARI,L.MAZZARELLA        
REVDAT   6   06-NOV-24 11BG    1       REMARK                                   
REVDAT   5   09-AUG-23 11BG    1       REMARK                                   
REVDAT   4   06-NOV-19 11BG    1       JRNL                                     
REVDAT   3   16-NOV-11 11BG    1       VERSN  HETATM                            
REVDAT   2   24-FEB-09 11BG    1       VERSN                                    
REVDAT   1   05-NOV-99 11BG    0                                                
JRNL        AUTH   L.VITAGLIANO,S.ADINOLFI,F.SICA,A.MERLINO,A.ZAGARI,           
JRNL        AUTH 2 L.MAZZARELLA                                                 
JRNL        TITL   A POTENTIAL ALLOSTERIC SUBSITE GENERATED BY DOMAIN SWAPPING  
JRNL        TITL 2 IN BOVINE SEMINAL RIBONUCLEASE.                              
JRNL        REF    J.MOL.BIOL.                   V. 293   569 1999              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10543951                                                     
JRNL        DOI    10.1006/JMBI.1999.3158                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.SICA,S.ADINOLFI,R.BERISIO,C.DE LORENZO,L.MAZZARELLA,       
REMARK   1  AUTH 2 R.PICCOLI,L.VITAGLIANO,A.ZAGARI                              
REMARK   1  TITL   CRYSTALLIZATION OF MULTIPLE FORMS OF BOVINE SEMINAL          
REMARK   1  TITL 2 RIBONUCLEASE IN THE LIGANDED AND UNLIGANDED STATE            
REMARK   1  REF    J.CRYST.GROWTH                V. 196   305 1999              
REMARK   1  REFN                   ISSN 0022-0248                               
REMARK   1  DOI    10.1016/S0022-0248(98)00860-4                                
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 PROTEIN:  
REMARK   1  TITL 2 X-RAY STRUCTURE OF THE COMPLEX OF BOVINE SEMINAL             
REMARK   1  TITL 3 RIBONUCLEASE WITH URIDYLYL(2',5')ADENOSINE.                  
REMARK   1  REF    PROTEIN SCI.                  V.   7  1691 1998              
REMARK   1  REFN                   ISSN 0961-8368                               
REMARK   1  PMID   10082366                                                     
REMARK   1  DOI    10.1002/PRO.5560070804                                       
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 DINUCLEOTIDE       
REMARK   1  TITL 2 COMPLEXES OF BOVINE SEMINAL RIBONUCLEASE FROM CONCENTRATED   
REMARK   1  TITL 3 SALT SOLUTIONS                                               
REMARK   1  REF    J.CRYST.GROWTH                V. 168   192 1997              
REMARK   1  REFN                   ISSN 0022-0248                               
REMARK   1  DOI    10.1016/0022-0248(96)00354-5                                 
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   L.MAZZARELLA,L.VITAGLIANO,A.ZAGARI                           
REMARK   1  TITL   SWAPPING STRUCTURAL DETERMINANTS OF RIBONUCLEASES: AN        
REMARK   1  TITL 2 ENERGETIC ANALYSIS OF THE HINGE PEPTIDE 16-22.               
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  92  3799 1995              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1  PMID   7731986                                                      
REMARK   1  DOI    10.1073/PNAS.92.9.3799                                       
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   L.MAZZARELLA,S.CAPASSO,D.DEMASI,G.DI LORENZO,C.A.MATTIA,     
REMARK   1  AUTH 2 A.ZAGARI                                                     
REMARK   1  TITL   BOVINE SEMINAL RIBONUCLEASE: STRUCTURE AT 1.9 A RESOLUTION.  
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  49   389 1993              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  PMID   15299514                                                     
REMARK   1  DOI    10.1107/S0907444993003403                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 19644                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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          : 157                                     
REMARK   3   SOLVENT ATOMS            : 124                                     
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) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.840                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.700                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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 11BG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000635.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-OCT-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 4.8                                
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                  : FILTER                             
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAC SCIENCE DIP-2030               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20713                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.07200                            
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) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.93                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.3                               
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: OTHER                        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 1BSR                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.68                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.8                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   X,-Y,-Z                                                 
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   -X,-Y+1/2,Z+1/2                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       33.35000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.85000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       33.35000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       53.85000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: 7890 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12690 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -140.0 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: 18060 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23460 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -337.0 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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       66.70000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      107.70000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 S    SO4 B 129  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 319  LIES ON A SPECIAL POSITION.                          
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    GLN A  60     -142.30   -103.88                                   
REMARK 500    ASN A  71       31.74    -98.68                                   
REMARK 500    ASN A  94       68.24   -102.60                                   
REMARK 500    ALA A 122     -177.90   -175.48                                   
REMARK 500    GLN B  60     -137.81   -103.62                                   
REMARK 500    GLN B  69     -177.42   -177.00                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     U2G A  130                                                       
REMARK 610     U2G A  132                                                       
REMARK 610     U2G B  133                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 125                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 126                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 127                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 128                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 129                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 134                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 135                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 136                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U2G A 130                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U2G A 131                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U2G A 132                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U2G B 133                 
DBREF  11BG A    1   124  UNP    P00669   RNS_BOVIN       27    150             
DBREF  11BG 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    SO4  A 125       5                                                       
HET    SO4  A 126       5                                                       
HET    SO4  A 128       5                                                       
HET    SO4  A 134       5                                                       
HET    SO4  A 135       5                                                       
HET    U2G  A 130      33                                                       
HET    U2G  A 131      40                                                       
HET    U2G  A 132      20                                                       
HET    SO4  B 127       5                                                       
HET    SO4  B 129       5                                                       
HET    SO4  B 136       5                                                       
HET    U2G  B 133      24                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     U2G URIDYLYL-2'-5'-PHOSPHO-GUANOSINE                                 
HETSYN     U2G PHOSPHORIC ACID-2'-[2'-DEOXY-URIDINE]ESTER-5'-GUANOSINE          
HETSYN   2 U2G  ESTER                                                           
FORMUL   3  SO4    8(O4 S 2-)                                                   
FORMUL   8  U2G    4(C19 H24 N7 O13 P)                                          
FORMUL  15  HOH   *124(H2 O)                                                    
HELIX    1   1 ALA A    4  HIS A   12  1                                   9    
HELIX    2   2 SER A   22  CYS A   32  5                                  11    
HELIX    3   3 LEU A   51  SER A   59  1                                   9    
HELIX    4   4 ALA B    4  HIS B   12  1                                   9    
HELIX    5   5 SER B   22  CYS B   32  5                                  11    
HELIX    6   6 LEU B   51  SER B   59  1                                   9    
SHEET    1   A 3 VAL A  43  VAL A  47  0                                        
SHEET    2   A 3 MET A  79  GLU A  86 -1  N  CYS A  84   O  ASN A  44           
SHEET    3   A 3 TYR A  97  LYS A 104 -1  N  LYS A 104   O  MET A  79           
SHEET    1   B 4 LYS A  61  VAL A  63  0                                        
SHEET    2   B 4 CYS A  72  GLN A  74 -1  N  GLN A  74   O  LYS A  61           
SHEET    3   B 4 HIS A 105  ALA A 109 -1  N  VAL A 108   O  TYR A  73           
SHEET    4   B 4 HIS A 119  VAL A 124 -1  N  VAL A 124   O  HIS A 105           
SHEET    1   C 3 VAL B  43  VAL B  47  0                                        
SHEET    2   C 3 MET B  79  GLU B  86 -1  N  CYS B  84   O  ASN B  44           
SHEET    3   C 3 TYR B  97  LYS B 104 -1  N  LYS B 104   O  MET B  79           
SHEET    1   D 4 LYS B  61  VAL B  63  0                                        
SHEET    2   D 4 CYS B  72  GLN B  74 -1  N  GLN B  74   O  LYS B  61           
SHEET    3   D 4 HIS B 105  ALA B 109 -1  N  VAL B 108   O  TYR B  73           
SHEET    4   D 4 HIS B 119  VAL B 124 -1  N  VAL B 124   O  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  2.03  
SSBOND   3 CYS A   32    CYS B   31                          1555   1555  2.02  
SSBOND   4 CYS A   40    CYS A   95                          1555   1555  2.02  
SSBOND   5 CYS A   58    CYS A  110                          1555   1555  2.00  
SSBOND   6 CYS A   65    CYS A   72                          1555   1555  2.02  
SSBOND   7 CYS B   26    CYS B   84                          1555   1555  2.04  
SSBOND   8 CYS B   40    CYS B   95                          1555   1555  2.00  
SSBOND   9 CYS B   58    CYS B  110                          1555   1555  2.01  
SSBOND  10 CYS B   65    CYS B   72                          1555   1555  2.02  
CISPEP   1 TYR A   92    PRO A   93          0        -0.07                     
CISPEP   2 LYS A  113    PRO A  114          0        -0.31                     
CISPEP   3 TYR B   92    PRO B   93          0         0.11                     
CISPEP   4 LYS B  113    PRO B  114          0         0.12                     
SITE     1 AC1  7 GLN A  11  HIS A  12  HOH A 219  LYS B  41                    
SITE     2 AC1  7 HIS B 119  PHE B 120  U2G B 133                               
SITE     1 AC2  7 SER A   3  ALA A   4  LYS A  39  LYS A  41                    
SITE     2 AC2  7 PRO A  42  U2G A 132  HOH A 214                               
SITE     1 AC3  6 LYS A   7  GLY A 112  LYS A 113  HOH A 204                    
SITE     2 AC3  6 LYS B  39  HOH B 244                                          
SITE     1 AC4  7 SER A  18  PRO A  19  SER A  20  SER A  21                    
SITE     2 AC4  7 SER A  22  HOH A 316  GLN B 101                               
SITE     1 AC5  4 SER B  20  SER B  21  SER B  22  SER B  23                    
SITE     1 AC6  7 LYS A  39  U2G A 132  HOH A 301  LYS B   7                    
SITE     2 AC6  7 GLY B 112  LYS B 113  HOH B 235                               
SITE     1 AC7  8 LYS A  41  HIS A 119  PHE A 120  U2G A 130                    
SITE     2 AC7  8 U2G A 132  HOH A 249  GLN B  11  HIS B  12                    
SITE     1 AC8  7 SER B   3  ALA B   4  LYS B  39  PRO B  42                    
SITE     2 AC8  7 HOH B 245  HOH B 263  HOH B 320                               
SITE     1 AC9 15 VAL A  43  ASN A  44  THR A  45  LYS A  66                    
SITE     2 AC9 15 ARG A  85  LYS A 104  PHE A 120  ASP A 121                    
SITE     3 AC9 15 ALA A 122  SER A 123  U2G A 132  SO4 A 135                    
SITE     4 AC9 15 HOH A 231  HOH A 295  HIS B  12                               
SITE     1 BC1 13 ASP A  14  ASN A  24  ASN A  27  ASN A  94                    
SITE     2 BC1 13 CYS A  95  HOH A 267  HOH A 291  HOH A 318                    
SITE     3 BC1 13 CYS B  32  ARG B  33  SER B  89  ASN B  94                    
SITE     4 BC1 13 HOH B 302                                                     
SITE     1 BC2 11 LYS A   1  SER A   3  LYS A  39  LYS A  41                    
SITE     2 BC2 11 PRO A  42  SO4 A 126  U2G A 130  SO4 A 134                    
SITE     3 BC2 11 SO4 A 135  HOH A 279  GLN B  11                               
SITE     1 BC3 13 HIS A  12  SO4 A 125  VAL B  43  ASN B  44                    
SITE     2 BC3 13 THR B  45  ASN B  67  ARG B  85  PHE B 120                    
SITE     3 BC3 13 ASP B 121  ALA B 122  SER B 123  HOH B 310                    
SITE     4 BC3 13 HOH B 324                                                     
CRYST1   36.400   66.700  107.700  90.00  90.00  90.00 P 2 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      0.027472  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014992  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009285        0.00000