HEADER    HYDROLASE (GUANYLORIBONUCLEASE)         05-JUN-95   1RGG              
TITLE     HYDROLASE, GUANYLORIBONUCLEASE                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE;                                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.1.27.3                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES AUREOFACIENS;                      
SOURCE   3 ORGANISM_TAXID: 1894                                                 
KEYWDS    HYDROLASE (GUANYLORIBONUCLEASE)                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.SEVCIK,Z.DAUTER,V.S.LAMZIN,K.S.WILSON                               
REVDAT   3   13-NOV-24 1RGG    1       REMARK                                   
REVDAT   2   24-FEB-09 1RGG    1       VERSN                                    
REVDAT   1   14-OCT-96 1RGG    0                                                
JRNL        AUTH   J.SEVCIK,Z.DAUTER,V.S.LAMZIN,K.S.WILSON                      
JRNL        TITL   RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS AT ATOMIC        
JRNL        TITL 2 RESOLUTION.                                                  
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  52   327 1996              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15299705                                                     
JRNL        DOI    10.1107/S0907444995007669                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.SEVCIK,C.P.HILL,Z.DAUTER,K.S.WILSON                        
REMARK   1  TITL   COMPLEX OF RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS WITH  
REMARK   1  TITL 2 2'-GMP AT 1.7A RESOLUTION                                    
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  49   257 1993              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.SEVCIK,I.ZEGERS,L.WYNS,Z.DAUTER,K.S.WILSON                 
REMARK   1  TITL   COMPLEX OF RIBONUCLEASE SA WITH A CYCLIC NUCLEOTIDE AND A    
REMARK   1  TITL 2 PROPOSED MODEL FOR THE REACTION INTERMEDIATE                 
REMARK   1  REF    EUR.J.BIOCHEM.                V. 216   301 1993              
REMARK   1  REFN                   ISSN 0014-2956                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   J.SEVCIK,E.J.DODSON,G.G.DODSON                               
REMARK   1  TITL   DETERMINATION AND RESTRAINED LEAST-SQUARES REFINEMENT OF THE 
REMARK   1  TITL 2 STRUCTURES OF RIBONUCLEASE SA AND ITS COMPLEX WITH           
REMARK   1  TITL 3 3'-GUANYLIC ACID AT 1.8 A RESOLUTION                         
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.B      V.  47   240 1991              
REMARK   1  REFN                   ISSN 0108-7681                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   J.SEVCIK,R.G.SANISHVILI,A.G.PAVLOVSKY,K.M.POLYAKOV           
REMARK   1  TITL   COMPARISON OF ACTIVE SITES OF SOME MICROBIAL RIBONUCLEASES:  
REMARK   1  TITL 2 STRUCTURAL BASIS FOR GUANYLIC SPECIFICITY                    
REMARK   1  REF    TRENDS BIOCHEM.SCI.           V.  15   158 1990              
REMARK   1  REFN                   ISSN 0968-0004                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   S.V.SHLYAPNIKOV,V.BOTH,V.A.KULIKOV,A.A.DEMENTIEV,J.SEVCIK,   
REMARK   1  AUTH 2 J.ZELINKA                                                    
REMARK   1  TITL   AMINO ACID SEQUENCE DETERMINATION OF GUANYL-SPECIFIC         
REMARK   1  TITL 2 RIBONUCLEASE SA FROM STREPTOMYCES AUREOFACIENS               
REMARK   1  REF    FEBS LETT.                    V. 209   335 1986              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   M.BACOVA,E.ZELINKOVA,J.ZELINKA                               
REMARK   1  TITL   EXOCELLULAR RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS. I.  
REMARK   1  TITL 2 ISOLATION AND PURIFICATION                                   
REMARK   1  REF    BIOCHIM.BIOPHYS.ACTA          V. 235   335 1971              
REMARK   1  REFN                   ISSN 0006-3002                               
REMARK   1 REFERENCE 7                                                          
REMARK   1  AUTH   E.ZELINKOVA,M.BACOVA,J.ZELINKA                               
REMARK   1  TITL   EXOCELLULAR RIBONUCLEASE FROM STREPTOMYCES AUREOFACIENS. II. 
REMARK   1  TITL 2 PROPERTIES AND SPECIFICITY                                   
REMARK   1  REF    BIOCHIM.BIOPHYS.ACTA          V. 235   343 1971              
REMARK   1  REFN                   ISSN 0006-3002                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.0                           
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 + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.1060                 
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 59858                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1492                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 338                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS:                                           
REMARK   3  ANISOU RECORDS CONTAIN ANISOTROPIC DISPLACEMENT PARAMETERS          
REMARK   3  U11 U22 U33 U23 U13 U12 (ANGSTROMS**2) MULTIPLIED BY 10000.         
REMARK   3                                                                      
REMARK   3  ISOTROPIC EQUIVALENTS OF ANISOTROPIC TEMPERATURE FACTORS            
REMARK   3  ARE ALSO PRESENTED IN THIS ENTRY.                                   
REMARK   4                                                                      
REMARK   4 1RGG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000176075.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NOV-93                             
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
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                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.03900                            
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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: SHELXL-93                                             
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.45                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
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       32.36500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       19.49500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.28000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       19.49500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       32.36500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       39.28000            
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: 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 SECONDARY STRUCTURE BOUNDARIES HAVE BEEN DETERMINED USING            
REMARK 400 SS PROGRAM (V.S.LAMZIN, EMBL HAMBURG) AS DESCRIBED IN                
REMARK 400 V.S.LAMZIN,Z.DAUTER,V.O.POPOV,E.H.HARUTYUNYAN,K.S.WILSON             
REMARK 400 J.MOL.BIOL. (1994) V.236, 759-785.                                   
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   OE2  GLU B    54     HH   TYR B    86              0.69            
REMARK 500   HG1  THR B    64     H    GLY B    66              1.26            
REMARK 500  HE22  GLN B    32     O    HOH B   200              1.32            
REMARK 500   OE2  GLU B    54     OH   TYR B    86              1.49            
REMARK 500   HH   TYR A    86     O4   SO4 A    98              1.58            
REMARK 500   O    SER A    31     O    HOH A   273              2.00            
REMARK 500   OE2  GLU A    54     OH   TYR A    86              2.03            
REMARK 500   O    HOH A   252     O    HOH B   153              2.04            
REMARK 500   NE2  GLN B    32     O    HOH B   200              2.09            
REMARK 500   O    HOH B   210     O    HOH B   218              2.12            
REMARK 500   C    SER B     3     O    HOH B   242              2.15            
REMARK 500   OE2  GLU B    54     O    HOH B   192              2.18            
REMARK 500   NE2  GLN A    77     O    HOH A   277              2.19            
REMARK 500   N    GLY A     4     O    HOH A   258              2.19            
REMARK 500   C    SER A     3     O    HOH A   258              2.19            
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    HOH A   153     O    HOH B   180     4556     2.06            
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    GLU B  54   CD    GLU B  54   OE1     0.094                       
REMARK 500    ARG B  63   CD    ARG B  63   NE     -0.135                       
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    GLU A  74   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.4 DEGREES          
REMARK 500    ARG B  63   CD  -  NE  -  CZ  ANGL. DEV. =  13.5 DEGREES          
REMARK 500    TYR B  86   CB  -  CG  -  CD1 ANGL. DEV. =   5.0 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    TYR A  86        8.34     80.65                                   
REMARK 500    TYR B  86        7.96     80.25                                   
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    ARG B  40         0.16    SIDE CHAIN                              
REMARK 500    ARG B  63         0.08    SIDE CHAIN                              
REMARK 500    ARG B  65         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 97                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 98                  
DBREF  1RGG A    1    96  UNP    P05798   RNSA_STRAU       1     96             
DBREF  1RGG B    1    96  UNP    P05798   RNSA_STRAU       1     96             
SEQRES   1 A   96  ASP VAL SER GLY THR VAL CYS LEU SER ALA LEU PRO PRO          
SEQRES   2 A   96  GLU ALA THR ASP THR LEU ASN LEU ILE ALA SER ASP GLY          
SEQRES   3 A   96  PRO PHE PRO TYR SER GLN ASP GLY VAL VAL PHE GLN ASN          
SEQRES   4 A   96  ARG GLU SER VAL LEU PRO THR GLN SER TYR GLY TYR TYR          
SEQRES   5 A   96  HIS GLU TYR THR VAL ILE THR PRO GLY ALA ARG THR ARG          
SEQRES   6 A   96  GLY THR ARG ARG ILE ILE THR GLY GLU ALA THR GLN GLU          
SEQRES   7 A   96  ASP TYR TYR THR GLY ASP HIS TYR ALA THR PHE SER LEU          
SEQRES   8 A   96  ILE ASP GLN THR CYS                                          
SEQRES   1 B   96  ASP VAL SER GLY THR VAL CYS LEU SER ALA LEU PRO PRO          
SEQRES   2 B   96  GLU ALA THR ASP THR LEU ASN LEU ILE ALA SER ASP GLY          
SEQRES   3 B   96  PRO PHE PRO TYR SER GLN ASP GLY VAL VAL PHE GLN ASN          
SEQRES   4 B   96  ARG GLU SER VAL LEU PRO THR GLN SER TYR GLY TYR TYR          
SEQRES   5 B   96  HIS GLU TYR THR VAL ILE THR PRO GLY ALA ARG THR ARG          
SEQRES   6 B   96  GLY THR ARG ARG ILE ILE THR GLY GLU ALA THR GLN GLU          
SEQRES   7 B   96  ASP TYR TYR THR GLY ASP HIS TYR ALA THR PHE SER LEU          
SEQRES   8 B   96  ILE ASP GLN THR CYS                                          
HET    SO4  A  97       5                                                       
HET    SO4  A  98       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  HOH   *338(H2 O)                                                    
HELIX    1 H1A CYS A    7  LEU A   11  5                                   5    
HELIX    2 H2A PRO A   12  ASP A   25  13/10 RES 12-16 AND 22-25          14    
HELIX    3 H1B CYS B    7  LEU B   11  5                                   5    
HELIX    4 H2B PRO B   12  ASP B   25  13/10 RES 12-16 AND 22-25          14    
SHEET    1 S1A 6 VAL A  35  PHE A  37  0                                        
SHEET    2 S1A 6 TYR A  52  VAL A  57 -1                                        
SHEET    3 S1A 6 ARG A  68  GLY A  73 -1                                        
SHEET    4 S1A 6 GLU A  78  THR A  82 -1                                        
SHEET    5 S1A 6 PHE A  89  ASP A  93 -1                                        
SHEET    6 S1A 6 SER A   3  LEU A   8  1                                        
SHEET    1 S1B 6 VAL B  35  PHE B  37  0                                        
SHEET    2 S1B 6 TYR B  52  VAL B  57 -1                                        
SHEET    3 S1B 6 ARG B  68  GLY B  73 -1                                        
SHEET    4 S1B 6 GLU B  78  THR B  82 -1                                        
SHEET    5 S1B 6 PHE B  89  ASP B  93 -1                                        
SHEET    6 S1B 6 SER B   3  LEU B   8  1                                        
SSBOND   1 CYS A    7    CYS A   96                          1555   1555  2.03  
SSBOND   2 CYS B    7    CYS B   96                          1555   1555  2.04  
CISPEP   1 GLY A   26    PRO A   27          0         4.44                     
CISPEP   2 GLY B   26    PRO B   27          0        -0.81                     
SITE     1 AC1  7 ALA A  62  ARG A  63  THR A  64  HOH A 208                    
SITE     2 AC1  7 HOH A 211  PRO B  12  ARG B  68                               
SITE     1 AC2  8 GLU A  54  ARG A  65  ARG A  69  HIS A  85                    
SITE     2 AC2  8 TYR A  86  HOH A 175  HOH A 222  HOH A 247                    
CRYST1   64.730   78.560   38.990  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      0.015449  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012729  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.025648        0.00000                         
MTRIX1   1  0.970910  0.235760  0.041830      -33.18607    1                    
MTRIX2   1 -0.047930  0.362520 -0.930740       21.47933    1                    
MTRIX3   1 -0.234600  0.901660  0.363280       18.96819    1