PDB Short entry for 1RTA
HEADER    HYDROLASE/DNA                           28-AUG-92   1RTA              
TITLE     CRYSTAL STRUCTURE DISPOSITION OF THYMIDYLIC ACID TETRAMER             
TITLE    2 IN COMPLEX WITH RIBONUCLEASE A                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA (5'-D(*TP*TP*TP*T)-3');                                
COMPND   3 CHAIN: C;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: PROTEIN (RIBONUCLEASE A (E.C.3.1.27.5));                   
COMPND   7 CHAIN: E;                                                            
COMPND   8 EC: 3.1.27.5                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   5 ORGANISM_COMMON: CATTLE;                                             
SOURCE   6 ORGANISM_TAXID: 9913;                                                
SOURCE   7 ORGAN: PANCREAS;                                                     
SOURCE   8 SECRETION: MILK                                                      
KEYWDS    PROTEIN-DNA COMPLEX, HYDROLASE/DNA COMPLEX                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.L.BIRDSALL,A.MCPHERSON                                              
REVDAT   2   24-FEB-09 1RTA    1       VERSN                                    
REVDAT   1   31-OCT-93 1RTA    0                                                
JRNL        AUTH   D.L.BIRDSALL,A.MCPHERSON                                     
JRNL        TITL   CRYSTAL STRUCTURE DISPOSITION OF THYMIDYLIC ACID             
JRNL        TITL 2 TETRAMER IN COMPLEX WITH RIBONUCLEASE A.                     
JRNL        REF    J.BIOL.CHEM.                  V. 267 22230 1992              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   1429575                                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   A.WLODAWER,N.BORKAKOTI,D.S.MOSS,B.HOWLIN                     
REMARK   1  TITL   COMPARISON OF TWO INDEPENDENTLY REFINED MODELS OF            
REMARK   1  TITL 2 RIBONUCLEASE A                                               
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.  42   379 1986              
REMARK   1  REFN                   ISSN 0108-7681                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   B.BORAH,C.-W.CHEN,W.EGAN,M.MILLER,A.WLODAWER,                
REMARK   1  AUTH 2 J.S.COHEN                                                    
REMARK   1  TITL   NUCLEAR MAGNETIC RESONANCE AND NEUTRON DIFFRACTION           
REMARK   1  TITL 2 STUDIES OF THE COMPLEX OF RIBONUCLEASE A WITH                
REMARK   1  TITL 3 URIDINE VANADATE, A TRANSITION-STATE ANALOGUE                
REMARK   1  REF    BIOCHEMISTRY                  V.  24  2058 1985              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   A.WLODAWER,M.MILLER,L.SJOLIN                                 
REMARK   1  TITL   ACTIVE SITE OF RNASE: NEUTRON DIFFRACTION STUDY OF           
REMARK   1  TITL 2 A COMPLEX WITH URIDINE VANADATE, A                           
REMARK   1  TITL 3 TRANSITION-STATE ANALOG                                      
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  80  3628 1983              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   A.WLODAWER,L.SJOLIN                                          
REMARK   1  TITL   STRUCTURE OF RIBONUCLEASE A: RESULTS OF JOINT                
REMARK   1  TITL 2 NEUTRON AND X-RAY REFINEMENT AT 2.0 ANGSTROMS                
REMARK   1  TITL 3 RESOLUTION                                                   
REMARK   1  REF    BIOCHEMISTRY                  V.  22  2720 1983              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   A.WLODAWER,R.BOTT,L.SJOLIN                                   
REMARK   1  TITL   THE REFINED CRYSTAL STRUCTURE OF RIBONUCLEASE A AT           
REMARK   1  TITL 2 2.0 ANGSTROMS RESOLUTION                                     
REMARK   1  REF    J.BIOL.CHEM.                  V. 257  1325 1982              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   A.WLODAWER,L.SJOLIN                                          
REMARK   1  TITL   HYDROGEN EXCHANGE IN RNASE A: NEUTRON DIFFRACTION            
REMARK   1  TITL 2 STUDY                                                        
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  79  1418 1982              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1 REFERENCE 7                                                          
REMARK   1  AUTH   A.WLODAWER,R.BOTT,L.SJOLIN                                   
REMARK   1  TITL   STRUCTURE OF RIBONUCLEASE A: X-RAY AND NEUTRON               
REMARK   1  TITL 2 REFINEMENT                                                   
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.A      V.  37    13 1981              
REMARK   1  REFN                   ISSN 0108-7673                               
REMARK   1 REFERENCE 8                                                          
REMARK   1  AUTH   A.WLODAWER,W.A.HENDRICKSON                                   
REMARK   1  TITL   JOINT REFINEMENT OF MACROMOLECULAR STRUCTURES WITH           
REMARK   1  TITL 2 X-RAY AND NEUTRON SINGLE- CRYSTAL DIFFRACTION DATA           
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.A      V.  37     8 1981              
REMARK   1  REFN                   ISSN 0108-7673                               
REMARK   1 REFERENCE 9                                                          
REMARK   1  AUTH   A.WLODAWER,L.SJOLIN                                          
REMARK   1  TITL   ORIENTATION OF HISTIDINE RESIDUES IN RNASE A:                
REMARK   1  TITL 2 NEUTRON DIFFRACTION STUDY                                    
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  78  2853 1981              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   1 REFERENCE 10                                                         
REMARK   1  AUTH   A.WLODAWER                                                   
REMARK   1  TITL   STUDIES OF RIBONUCLEASE A BY X-RAY AND NEUTRON               
REMARK   1  TITL 2 DIFFRACTION                                                  
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.  36  1826 1980              
REMARK   1  REFN                   ISSN 0108-7681                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR, CORELS                                       
REMARK   3   AUTHORS     : SUSSMAN                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
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             : NULL                           
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) : 0.235                           
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            : 950                                     
REMARK   3   NUCLEIC ACID ATOMS       : 81                                      
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
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) : 0.043                           
REMARK   3   BOND ANGLES            (DEGREES) : 5.40                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
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 1RTA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.12                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS:  THE COMPLEX WAS FORMED BY               
REMARK 280  DIFFUSION OF DNA INTO THE NATIVE CRYSTALS.                          
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       22.45000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       21.80000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.50000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       21.80000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.45000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.50000            
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 APPLY THE FOLLOWING TO CHAINS: C, E                                  
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   C7   DT  C   300     CD   ARG E    39              2.07            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    LYS E    66     NE2  GLN E   101     4457     2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DT C 300   P      DT C 300   OP3     0.093                       
REMARK 500     DT C 300   P      DT C 300   O5'     0.169                       
REMARK 500     DT C 300   O4'    DT C 300   C1'     0.069                       
REMARK 500     DT C 300   C5     DT C 300   C7      0.057                       
REMARK 500     DT C 301   P      DT C 301   O5'     0.177                       
REMARK 500     DT C 301   C5'    DT C 301   C4'     0.056                       
REMARK 500     DT C 301   C4'    DT C 301   C3'     0.072                       
REMARK 500     DT C 301   C2'    DT C 301   C1'     0.106                       
REMARK 500     DT C 301   C5     DT C 301   C7      0.059                       
REMARK 500     DT C 302   P      DT C 302   O5'     0.158                       
REMARK 500     DT C 302   C5'    DT C 302   C4'     0.088                       
REMARK 500     DT C 302   C5     DT C 302   C7      0.057                       
REMARK 500     DT C 303   P      DT C 303   O5'     0.061                       
REMARK 500     DT C 303   C5'    DT C 303   C4'     0.050                       
REMARK 500     DT C 303   C1'    DT C 303   N1      0.081                       
REMARK 500     DT C 303   C5     DT C 303   C7      0.057                       
REMARK 500    HIS E  12   NE2   HIS E  12   CD2    -0.073                       
REMARK 500    HIS E  48   NE2   HIS E  48   CD2    -0.078                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DT C 300   P   -  O5' -  C5' ANGL. DEV. = -11.7 DEGREES          
REMARK 500     DT C 300   C4' -  C3' -  C2' ANGL. DEV. =  -5.6 DEGREES          
REMARK 500     DT C 300   O4' -  C1' -  C2' ANGL. DEV. =  -6.6 DEGREES          
REMARK 500     DT C 300   O4' -  C1' -  N1  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DT C 300   C6  -  C5  -  C7  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500     DT C 301   P   -  O5' -  C5' ANGL. DEV. = -11.8 DEGREES          
REMARK 500     DT C 301   O4' -  C1' -  N1  ANGL. DEV. =   6.4 DEGREES          
REMARK 500     DT C 301   C6  -  C5  -  C7  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500     DT C 302   P   -  O5' -  C5' ANGL. DEV. = -10.3 DEGREES          
REMARK 500     DT C 302   C5' -  C4' -  C3' ANGL. DEV. = -14.7 DEGREES          
REMARK 500     DT C 302   O4' -  C1' -  N1  ANGL. DEV. =  14.5 DEGREES          
REMARK 500     DT C 302   C6  -  C5  -  C7  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500     DT C 302   C2  -  N1  -  C1' ANGL. DEV. = -13.3 DEGREES          
REMARK 500     DT C 303   O4' -  C1' -  N1  ANGL. DEV. =  11.2 DEGREES          
REMARK 500     DT C 303   C6  -  C5  -  C7  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ARG E  10   NE  -  CZ  -  NH1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    GLN E  11   CA  -  CB  -  CG  ANGL. DEV. =  15.3 DEGREES          
REMARK 500    ASP E  14   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    CYS E  26   CA  -  CB  -  SG  ANGL. DEV. = -18.9 DEGREES          
REMARK 500    MET E  29   CG  -  SD  -  CE  ANGL. DEV. =  10.8 DEGREES          
REMARK 500    MET E  30   CG  -  SD  -  CE  ANGL. DEV. = -12.5 DEGREES          
REMARK 500    ARG E  33   CA  -  CB  -  CG  ANGL. DEV. = -15.1 DEGREES          
REMARK 500    ARG E  33   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500    ARG E  33   NE  -  CZ  -  NH2 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500    ARG E  39   CG  -  CD  -  NE  ANGL. DEV. =  13.2 DEGREES          
REMARK 500    ARG E  39   NE  -  CZ  -  NH1 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    CYS E  40   CA  -  CB  -  SG  ANGL. DEV. = -17.5 DEGREES          
REMARK 500    ASP E  53   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    LYS E  66   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    GLN E  69   CA  -  CB  -  CG  ANGL. DEV. =  14.2 DEGREES          
REMARK 500    THR E  70   CA  -  CB  -  CG2 ANGL. DEV. =  -8.4 DEGREES          
REMARK 500    TYR E  73   CB  -  CG  -  CD1 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    GLN E  74   CA  -  CB  -  CG  ANGL. DEV. =  17.0 DEGREES          
REMARK 500    SER E  89   N   -  CA  -  CB  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    TYR E  92   CB  -  CG  -  CD2 ANGL. DEV. =  -4.6 DEGREES          
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    SER E  21      -81.01   -106.38                                   
REMARK 500    TYR E  25      -48.73    -29.32                                   
REMARK 500    ARG E  39      152.83    -49.47                                   
REMARK 500    GLN E  60     -145.91   -103.35                                   
REMARK 500    SER E  89      -46.89    145.66                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DT C 302         0.12    SIDE_CHAIN                              
REMARK 500    TYR E  25         0.07    SIDE_CHAIN                              
REMARK 500    ARG E  33         0.09    SIDE_CHAIN                              
REMARK 500    TYR E  92         0.08    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: ACT                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: NULL                                               
DBREF  1RTA E    1   124  UNP    P61823   RNAS1_BOVIN     27    150             
DBREF  1RTA C  300   303  PDB    1RTA     1RTA           300    303             
SEQRES   1 C    4   DT  DT  DT  DT                                              
SEQRES   1 E  124  LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET          
SEQRES   2 E  124  ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS          
SEQRES   3 E  124  ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG          
SEQRES   4 E  124  CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA          
SEQRES   5 E  124  ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS          
SEQRES   6 E  124  LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR          
SEQRES   7 E  124  MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS          
SEQRES   8 E  124  TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS          
SEQRES   9 E  124  HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO          
SEQRES  10 E  124  VAL HIS PHE ASP ALA SER VAL                                  
HELIX    1  H1 THR E    3  MET E   13  1                                  11    
HELIX    2  H2 ASN E   24  ASN E   34  1RESIDUE 34 IN 3/10 CONFIG         11    
HELIX    3  H3 SER E   50  GLN E   60  1RESIDUES 56-60 IN 3/10 CONFIG     11    
SHEET    1 S1A 3 LYS E  41  HIS E  48  0                                        
SHEET    2 S1A 3 MET E  79  THR E  87 -1  N  GLU E  86   O  PRO E  42           
SHEET    3 S1A 3 ASN E  94  LYS E 104 -1  O  LYS E 104   N  MET E  79           
SHEET    1 S1B 3 LYS E  41  HIS E  48  0                                        
SHEET    2 S1B 3 SER E  90  LYS E  91 -1                                        
SHEET    3 S1B 3 ASN E  94  LYS E 104 -1  O  ASN E  94   N  LYS E  91           
SHEET    1 S2A 4 LYS E  61  ALA E  64  0                                        
SHEET    2 S2A 4 ASN E  71  SER E  75 -1  O  CYS E  72   N  VAL E  63           
SHEET    3 S2A 4 HIS E 105  ASN E 113 -1  O  VAL E 108   N  TYR E  73           
SHEET    4 S2A 4 PRO E 114  HIS E 119 -1  O  VAL E 116   N  GLU E 111           
SHEET    1 S2B 4 LYS E  61  ALA E  64  0                                        
SHEET    2 S2B 4 ASN E  71  SER E  75 -1  O  CYS E  72   N  VAL E  63           
SHEET    3 S2B 4 HIS E 105  ASN E 113 -1  O  VAL E 108   N  TYR E  73           
SHEET    4 S2B 4 ASP E 121  VAL E 124 -1  N  VAL E 124   O  HIS E 105           
SSBOND   1 CYS E   26    CYS E   84                          1555   1555  2.04  
SSBOND   2 CYS E   40    CYS E   95                          1555   1555  2.37  
SSBOND   3 CYS E   58    CYS E  110                          1555   1555  2.03  
SSBOND   4 CYS E   65    CYS E   72                          1555   1555  2.03  
CISPEP   1 TYR E   92    PRO E   93          0        29.24                     
CISPEP   2 ASN E  113    PRO E  114          0       -14.76                     
SITE     1 ACT  9 HIS E  12  LYS E  41  VAL E  43  ASN E  44                    
SITE     2 ACT  9 THR E  45  HIS E 119  PHE E 120  ASP E 121                    
SITE     3 ACT  9 SER E 123                                                     
CRYST1   44.900   75.000   43.600  90.00  90.00  90.00 P 21 21 21    4          
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      0.022272  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013333  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022936        0.00000