PDB Short entry for 1TQ9
HEADER    HYDROLASE                               17-JUN-04   1TQ9              
TITLE     NON-COVALENT SWAPPED DIMER OF BOVINE SEMINAL RIBONUCLEASE IN COMPLEX  
TITLE    2 WITH 2'-DEOXYCYTIDINE-2'-DEOXYADENOSINE-3',5'-MONOPHOSPHATE          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE, SEMINAL;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: PANCREATIC TYPE RIBONUCLEASE, SEMINAL RNASE, S-RNASE,       
COMPND   5 RIBONUCLEASE BS-1;                                                   
COMPND   6 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    PROTEIN-DINUCLEOTIDE COMPLEX, CYTOTOXIC ACTION, HYDROLASE             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.SICA,A.DI FIORE,A.MERLINO,L.MAZZARELLA                              
REVDAT   3   25-OCT-23 1TQ9    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1TQ9    1       VERSN                                    
REVDAT   1   14-SEP-04 1TQ9    0                                                
JRNL        AUTH   F.SICA,A.DI FIORE,A.MERLINO,L.MAZZARELLA                     
JRNL        TITL   STRUCTURE AND STABILITY OF THE NON-COVALENT SWAPPED DIMER OF 
JRNL        TITL 2 BOVINE SEMINAL RIBONUCLEASE: AN ENZYME TAILORED TO EVADE     
JRNL        TITL 3 RIBONUCLEASE PROTEIN INHIBITOR                               
JRNL        REF    J.BIOL.CHEM.                  V. 279 36753 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15192098                                                     
JRNL        DOI    10.1074/JBC.M405655200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   L.MAZZARELLA,S.CAPASSO,D.DEMASI,G.DILORENZO,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  DOI    10.1107/S0907444993003403                                    
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   A.MERLINO,L.VITAGLIANO,F.SICA,A.ZAGARI,L.MAZZARELLA          
REMARK   1  TITL   POPULATION SHIFT VS INDUCED FIT: THE CASE OF BOVINE SEMINAL  
REMARK   1  TITL 2 RIBONUCLEASE SWAPPING DIMER                                  
REMARK   1  REF    BIOPOLYMERS                   V.  73   689 2004              
REMARK   1  REFN                   ISSN 0006-3525                               
REMARK   1  PMID   15048772                                                     
REMARK   1  DOI    10.1002/BIP.20016                                            
REMARK   1 REFERENCE 3                                                          
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 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 SWAPPING  
REMARK   1  TITL 2 IN BOVINE SEMINAL RIBONUCLEASE                               
REMARK   1  REF    J.MOL.BIOL.                   V. 293   569 1999              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   10543951                                                     
REMARK   1  DOI    10.1006/JMBI.1999.3158                                       
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   F.SICA,A.DI FIORE,A.ZAGARI,L.MAZZARELLA                      
REMARK   1  TITL   THE UNSWAPPED CHAIN OF BOVINE SEMINAL RIBONUCLEASE: CRYSTAL  
REMARK   1  TITL 2 STRUCTURE OF THE FREE AND LIGANDED MONOMERIC DERIVATIVE      
REMARK   1  REF    PROTEINS                      V.  52   263 2003              
REMARK   1  REFN                   ISSN 0887-3585                               
REMARK   1  PMID   12833549                                                     
REMARK   1  DOI    10.1002/PROT.10407                                           
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   R.BERISIO,F.SICA,C.DE LORENZO,A.DI FIORE,R.PICCOLI,A.ZAGARI, 
REMARK   1  AUTH 2 L.MAZZARELLA                                                 
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE DIMERIC UNSWAPPED FORM OF BOVINE    
REMARK   1  TITL 2 SEMINAL RIBONUCLEASE                                         
REMARK   1  REF    FEBS LETT.                    V. 554   105 2003              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1  PMID   14596923                                                     
REMARK   1  DOI    10.1016/S0014-5793(03)01114-1                                
REMARK   1 REFERENCE 7                                                          
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   2                                                                      
REMARK   2 RESOLUTION.    2.00 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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
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)   (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 18806                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.269                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2062                            
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            : 1898                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 74                                      
REMARK   3   SOLVENT ATOMS            : 121                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.84                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.20                          
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) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 28.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.000                           
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 1TQ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-JUN-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022830.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ELETTRA                            
REMARK 200  BEAMLINE                       : 5.2R                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : SYNCROTHRON                        
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21846                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.2                               
REMARK 200  DATA REDUNDANCY                : 7.000                              
REMARK 200  R MERGE                    (I) : 0.05300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.03                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 8.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.000                              
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   (%): 56.40                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.82                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, ISOPROPANOL, SODIUM ACETATE,   
REMARK 280  CACODILATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE      
REMARK 280  277K                                                                
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       20.73550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.40200            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       34.84450            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.40200            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       20.73550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       34.84450            
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: 5810 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12600 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   NZ2  YCM A    31     O    HOH A   227              1.98            
REMARK 500   OH   TYR A    25     OD2  ASP B    14              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  14       65.60   -157.09                                   
REMARK 500    SER A  21       70.54   -164.39                                   
REMARK 500    GLN A  60     -157.49   -101.61                                   
REMARK 500    LYS A  61      104.01    -54.65                                   
REMARK 500    HIS A 119      142.02   -173.32                                   
REMARK 500    SER B  21       68.02   -161.65                                   
REMARK 500    ARG B  33       20.02    -77.07                                   
REMARK 500    GLN B  60     -161.41   -107.45                                   
REMARK 500    LYS B  61      109.75    -44.13                                   
REMARK 500    ASN B  71       42.46   -109.69                                   
REMARK 500    ASN B  94       69.16   -103.75                                   
REMARK 500    HIS B 119      135.17   -174.49                                   
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 126                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CPA B 626                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BSR   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COVALENT SWAPPED DIMER OF THE SAME PROTEIN  
REMARK 900 RELATED ID: 11BA   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE COVALENT SWAPPED DIMER OF THE SAME PROTEIN  
REMARK 900 COMPLEXED WITH URIDYLYL-2',5'-ADENOSINE                              
REMARK 900 RELATED ID: 11BG   RELATED DB: PDB                                   
REMARK 900 COVALENT SWAPPED DIMER OF THE SAME PROTEIN COMPLEXED WITH WITH       
REMARK 900 URIDYLYL-2',5'-GUANOSINE                                             
REMARK 900 RELATED ID: 1R5C   RELATED DB: PDB                                   
REMARK 900 COVALENT SWAPPED DIMER OF THE SAME PROTEIN COMPLEXED WITH 2'-        
REMARK 900 DEOXYCYTIDINE-2'-DEOXYADENOSINE-3',5'- MONOPHOSPHATE                 
REMARK 900 RELATED ID: 1R3M   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE DIMERIC UNSWAPPED FORM OF BOVINE SEMINAL    
REMARK 900 RIBONUCLEASE                                                         
REMARK 900 RELATED ID: 1N1X   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE MONOMERIC [S- CARBOXYAMIDOMETHYL-CYS31, S-  
REMARK 900 CARBOXYAMIDOMETHYL-CYS32] BOVINE SEMINAL RIBONUCLEASE                
REMARK 900 RELATED ID: 1N3Z   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE [S-CARBOXYAMIDOMETHYL-CYS31, S-             
REMARK 900 CARBOXYAMIDOMETHYL-CYS32] MONOMERIC DERIVATIVE OF THE BOVINE         
REMARK 900 SEMINAL RIBONUCLEASE IN THE LIGANDED STATE                           
REMARK 900 RELATED ID: 1R5D   RELATED DB: PDB                                   
REMARK 900 X-RAY STRUCTURE OF BOVINE SEMINAL RIBONUCLEASE SWAPPING DIMER FROM   
REMARK 900 A NEW CRYSTAL FORM                                                   
DBREF  1TQ9 A    1   124  UNP    P00669   RNS_BOVIN       27    150             
DBREF  1TQ9 B    1   124  UNP    P00669   RNS_BOVIN       27    150             
SEQADV 1TQ9 YCM A   31  UNP  P00669    CYS    57 MODIFIED RESIDUE               
SEQADV 1TQ9 YCM A   32  UNP  P00669    CYS    58 MODIFIED RESIDUE               
SEQADV 1TQ9 YCM B   31  UNP  P00669    CYS    57 MODIFIED RESIDUE               
SEQADV 1TQ9 YCM B   32  UNP  P00669    CYS    58 MODIFIED RESIDUE               
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 YCM YCM 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 YCM YCM 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                                  
MODRES 1TQ9 YCM A   31  CYS  S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE                  
MODRES 1TQ9 YCM A   32  CYS  S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE                  
MODRES 1TQ9 YCM B   31  CYS  S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE                  
MODRES 1TQ9 YCM B   32  CYS  S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE                  
HET    YCM  A  31      10                                                       
HET    YCM  A  32      10                                                       
HET    YCM  B  31      10                                                       
HET    YCM  B  32      10                                                       
HET    CPA  A 126      37                                                       
HET    CPA  B 626      37                                                       
HETNAM     YCM S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE                                
HETNAM     CPA 2'-DEOXYCYTIDINE-2'-DEOXYADENOSINE-3',5'-MONOPHOSPHATE           
HETSYN     YCM CYSTEINE-S-ACETAMIDE                                             
FORMUL   1  YCM    4(C5 H10 N2 O3 S)                                            
FORMUL   3  CPA    2(C19 H25 N8 O9 P)                                           
FORMUL   5  HOH   *121(H2 O)                                                    
HELIX    1   1 SER A    3  MET A   13  1                                  11    
HELIX    2   2 ASN A   24  ARG A   33  1                                  10    
HELIX    3   3 SER A   50  ALA A   56  1                                   7    
HELIX    4   4 VAL A   57  GLN A   60  5                                   4    
HELIX    5   5 SER B    3  MET B   13  1                                  11    
HELIX    6   6 ASN B   24  ARG B   33  1                                  10    
HELIX    7   7 SER B   50  ALA B   56  1                                   7    
HELIX    8   8 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  CYS A  84   N  ASN A  44           
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  VAL A  63   O  CYS A  72           
SHEET    1   B 4 VAL A  43  VAL A  47  0                                        
SHEET    2   B 4 MET A  79  GLU A  86 -1  O  CYS A  84   N  ASN A  44           
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  ALA A 122   N  ILE A 107           
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  2.05  
SSBOND   2 CYS A   40    CYS A   95                          1555   1555  2.04  
SSBOND   3 CYS A   58    CYS A  110                          1555   1555  2.04  
SSBOND   4 CYS A   65    CYS A   72                          1555   1555  2.05  
SSBOND   5 CYS B   26    CYS B   84                          1555   1555  2.03  
SSBOND   6 CYS B   40    CYS B   95                          1555   1555  2.04  
SSBOND   7 CYS B   58    CYS B  110                          1555   1555  2.03  
SSBOND   8 CYS B   65    CYS B   72                          1555   1555  2.04  
LINK         C   MET A  30                 N   YCM A  31     1555   1555  1.33  
LINK         C   YCM A  31                 N   YCM A  32     1555   1555  1.33  
LINK         C   YCM A  32                 N   ARG A  33     1555   1555  1.33  
LINK         C   MET B  30                 N   YCM B  31     1555   1555  1.33  
LINK         C   YCM B  31                 N   YCM B  32     1555   1555  1.33  
LINK         C   YCM B  32                 N   ARG B  33     1555   1555  1.34  
CISPEP   1 TYR A   92    PRO A   93          0         0.01                     
CISPEP   2 LYS A  113    PRO A  114          0         0.28                     
CISPEP   3 TYR B   92    PRO B   93          0         0.12                     
CISPEP   4 LYS B  113    PRO B  114          0         0.07                     
SITE     1 AC1 18 LYS A  41  VAL A  43  ASN A  44  THR A  45                    
SITE     2 AC1 18 CYS A  65  GLN A  69  ASN A  71  ALA A 109                    
SITE     3 AC1 18 HIS A 119  PHE A 120  HOH A 202  LYS B   7                    
SITE     4 AC1 18 GLN B  11  HIS B  12  ASN B  67  GLY B  68                    
SITE     5 AC1 18 GLN B  69  HOH B 157                                          
SITE     1 AC2 19 LYS A   7  GLN A  11  HIS A  12  ASN A  67                    
SITE     2 AC2 19 GLY A  68  GLN A  69  LYS B  41  VAL B  43                    
SITE     3 AC2 19 ASN B  44  THR B  45  CYS B  65  GLN B  69                    
SITE     4 AC2 19 ASN B  71  ALA B 109  HIS B 119  PHE B 120                    
SITE     5 AC2 19 ASP B 121  HOH B 156  HOH B 236                               
CRYST1   41.471   69.689  110.804  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      0.024110  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014350  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009020        0.00000