HEADER    HYDROLASE                               18-OCT-11   3U97              
TITLE     1.1 ANGSTROM-RESOLUTION CRYSTAL STRUCTURE OF THE BRUCELLA ABORTUS     
TITLE    2 RIBONUCLEASE TOXIN, BRNT                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE TOXIN BRNT;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.1.27.1;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BRUCELLA ABORTUS;                               
SOURCE   3 ORGANISM_TAXID: 262698;                                              
SOURCE   4 STRAIN: 9-941;                                                       
SOURCE   5 GENE: BRUAB1_0981;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21-ROSETTA(DE3)/PLYSS;                   
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET151                                    
KEYWDS    RNASE SA/RELE SMALL RIBONUCLEASE FOLD, RIBONUCLEASE, BRNA, HYDROLASE  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.HEATON,J.HERROU,S.CROSSON                                           
REVDAT   4   20-NOV-24 3U97    1       SEQADV LINK                              
REVDAT   3   25-APR-12 3U97    1       JRNL                                     
REVDAT   2   07-MAR-12 3U97    1       JRNL                                     
REVDAT   1   22-FEB-12 3U97    0                                                
JRNL        AUTH   B.E.HEATON,J.HERROU,A.E.BLACKWELL,V.H.WYSOCKI,S.CROSSON      
JRNL        TITL   MOLECULAR STRUCTURE AND FUNCTION OF THE NOVEL BRNT/BRNA      
JRNL        TITL 2 TOXIN-ANTITOXIN SYSTEM OF BRUCELLA ABORTUS.                  
JRNL        REF    J.BIOL.CHEM.                  V. 287 12098 2012              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   22334680                                                     
JRNL        DOI    10.1074/JBC.M111.332163                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.7.2_869)                    
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.00                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 31054                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.141                           
REMARK   3   R VALUE            (WORKING SET) : 0.140                           
REMARK   3   FREE R VALUE                     : 0.158                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.140                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1906                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 22.1253 -  2.6534    1.00     2286   155  0.1688 0.1761        
REMARK   3     2  2.6534 -  2.1066    1.00     2232   144  0.1280 0.1543        
REMARK   3     3  2.1066 -  1.8405    1.00     2242   148  0.1187 0.1345        
REMARK   3     4  1.8405 -  1.6723    0.99     2204   146  0.1085 0.1221        
REMARK   3     5  1.6723 -  1.5525    0.99     2173   139  0.1039 0.1200        
REMARK   3     6  1.5525 -  1.4609    0.98     2160   145  0.0996 0.1382        
REMARK   3     7  1.4609 -  1.3878    0.97     2171   138  0.1062 0.1322        
REMARK   3     8  1.3878 -  1.3274    0.95     2086   133  0.1068 0.1244        
REMARK   3     9  1.3274 -  1.2763    0.95     2090   138  0.1107 0.1510        
REMARK   3    10  1.2763 -  1.2323    0.94     2029   135  0.1333 0.1538        
REMARK   3    11  1.2323 -  1.1937    0.93     2050   136  0.1491 0.1822        
REMARK   3    12  1.1937 -  1.1596    0.89     1965   126  0.1888 0.2045        
REMARK   3    13  1.1596 -  1.1291    0.85     1865   117  0.2364 0.2981        
REMARK   3    14  1.1291 -  1.1020    0.72     1595   106  0.3172 0.3049        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 0.90                                          
REMARK   3   SHRINKAGE RADIUS   : 0.60                                          
REMARK   3   K_SOL              : 0.40                                          
REMARK   3   B_SOL              : 59.93                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.240            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.600           
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) : -0.86690                                             
REMARK   3    B22 (A**2) : -0.86690                                             
REMARK   3    B33 (A**2) : 1.73390                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.016            688                                  
REMARK   3   ANGLE     :  1.674            943                                  
REMARK   3   CHIRALITY :  0.121            108                                  
REMARK   3   PLANARITY :  0.009            121                                  
REMARK   3   DIHEDRAL  : 12.105            273                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3U97 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-OCT-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000068464.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-APR-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.02                               
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31054                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 22.121                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.0                               
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) : 1.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.13                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.0                               
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: SAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 21.06                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.56                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS BUFFER, 8% PEG 6000, 150     
REMARK 280  MM NACL, PH 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 287K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       8555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       37.21000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       37.21000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       14.80350            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       37.21000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       37.21000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       14.80350            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       37.21000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       37.21000            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       14.80350            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       37.21000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       37.21000            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       14.80350            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6460 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13820 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       74.42000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       74.42000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000       74.42000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000       74.42000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 126  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 134  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MSE A   -32                                                      
REMARK 465     HIS A   -31                                                      
REMARK 465     HIS A   -30                                                      
REMARK 465     HIS A   -29                                                      
REMARK 465     HIS A   -28                                                      
REMARK 465     HIS A   -27                                                      
REMARK 465     HIS A   -26                                                      
REMARK 465     GLY A   -25                                                      
REMARK 465     LYS A   -24                                                      
REMARK 465     PRO A   -23                                                      
REMARK 465     ILE A   -22                                                      
REMARK 465     PRO A   -21                                                      
REMARK 465     ASN A   -20                                                      
REMARK 465     PRO A   -19                                                      
REMARK 465     LEU A   -18                                                      
REMARK 465     LEU A   -17                                                      
REMARK 465     GLY A   -16                                                      
REMARK 465     LEU A   -15                                                      
REMARK 465     ASP A   -14                                                      
REMARK 465     SER A   -13                                                      
REMARK 465     THR A   -12                                                      
REMARK 465     GLU A   -11                                                      
REMARK 465     ASN A   -10                                                      
REMARK 465     LEU A    -9                                                      
REMARK 465     TYR A    -8                                                      
REMARK 465     PHE A    -7                                                      
REMARK 465     GLN A    -6                                                      
REMARK 465     GLY A    -5                                                      
REMARK 465     ILE A    -4                                                      
REMARK 465     ASP A    -3                                                      
REMARK 465     PRO A    -2                                                      
REMARK 465     PHE A    -1                                                      
REMARK 465     LYS A    77                                                      
REMARK 465     GLU A    78                                                      
REMARK 465     ARG A    79                                                      
REMARK 465     LYS A    80                                                      
REMARK 465     LEU A    81                                                      
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   O    HOH A   112     O    HOH A   133              2.10            
REMARK 500   O    HOH A   113     O    HOH A   118              2.14            
REMARK 500   O    HOH A   147     O    HOH A   148              2.15            
REMARK 500   OE1  GLU A    47     O    HOH A   155              2.15            
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  HD13  LEU A    51     O    HOH A    96     6554     1.53            
REMARK 500   O    HOH A   152     O    HOH A   152     3655     2.11            
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    ASN A  49       43.95     37.12                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  3U97 A    1    81  UNP    Q57DF0   Q57DF0_BRUAB    26    106             
SEQADV 3U97 MSE A  -32  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -31  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -30  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -29  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -28  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -27  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 HIS A  -26  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 GLY A  -25  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 LYS A  -24  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PRO A  -23  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ILE A  -22  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PRO A  -21  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ASN A  -20  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PRO A  -19  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 LEU A  -18  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 LEU A  -17  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 GLY A  -16  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 LEU A  -15  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ASP A  -14  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 SER A  -13  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 THR A  -12  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 GLU A  -11  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ASN A  -10  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 LEU A   -9  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 TYR A   -8  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PHE A   -7  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 GLN A   -6  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 GLY A   -5  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ILE A   -4  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 ASP A   -3  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PRO A   -2  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 PHE A   -1  UNP  Q57DF0              EXPRESSION TAG                 
SEQADV 3U97 THR A    0  UNP  Q57DF0              EXPRESSION TAG                 
SEQRES   1 A  114  MSE HIS HIS HIS HIS HIS HIS GLY LYS PRO ILE PRO ASN          
SEQRES   2 A  114  PRO LEU LEU GLY LEU ASP SER THR GLU ASN LEU TYR PHE          
SEQRES   3 A  114  GLN GLY ILE ASP PRO PHE THR MSE LYS ILE ILE TRP ASP          
SEQRES   4 A  114  GLU PRO LYS ARG GLN THR ASN ILE ALA LYS HIS GLY LEU          
SEQRES   5 A  114  ASP PHE ALA ASP LEU HIS PHE GLU PHE PHE LEU SER ALA          
SEQRES   6 A  114  LYS VAL PHE PRO THR LYS ALA ASP ARG LEU MSE ALA ILE          
SEQRES   7 A  114  GLY GLU PHE ASN GLY LEU ILE ILE ILE ALA VAL ILE PHE          
SEQRES   8 A  114  LYS PRO VAL GLY SER GLU ALA LEU SER VAL ILE SER MSE          
SEQRES   9 A  114  ARG SER ALA SER GLN LYS GLU ARG LYS LEU                      
MODRES 3U97 MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 3U97 MSE A   43  MET  SELENOMETHIONINE                                   
MODRES 3U97 MSE A   71  MET  SELENOMETHIONINE                                   
HET    MSE  A   1      12                                                       
HET    MSE  A  43      12                                                       
HET    MSE  A  71      12                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
FORMUL   1  MSE    3(C5 H11 N O2 SE)                                            
FORMUL   2  HOH   *86(H2 O)                                                     
HELIX    1   1 ASP A    6  GLY A   18  1                                  13    
HELIX    2   2 ASP A   20  LEU A   24  5                                   5    
HELIX    3   3 HIS A   25  SER A   31  1                                   7    
SHEET    1   A 5 LYS A   2  ILE A   4  0                                        
SHEET    2   A 5 ALA A  65  SER A  73  1  O  VAL A  68   N  ILE A   4           
SHEET    3   A 5 ILE A  52  VAL A  61 -1  N  LYS A  59   O  SER A  67           
SHEET    4   A 5 ARG A  41  PHE A  48 -1  N  PHE A  48   O  ILE A  52           
SHEET    5   A 5 LYS A  33  LYS A  38 -1  N  PHE A  35   O  MSE A  43           
LINK         C   THR A   0                 N   MSE A   1     1555   1555  1.31  
LINK         C   MSE A   1                 N   LYS A   2     1555   1555  1.32  
LINK         C   LEU A  42                 N   MSE A  43     1555   1555  1.33  
LINK         C   MSE A  43                 N   ALA A  44     1555   1555  1.33  
LINK         C   SER A  70                 N   MSE A  71     1555   1555  1.32  
LINK         C   MSE A  71                 N   ARG A  72     1555   1555  1.34  
CRYST1   74.420   74.420   29.607  90.00  90.00  90.00 I 4           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      0.013437  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013437  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.033776        0.00000