HEADER    HYDROLASE/PROTEIN BINDING               15-APR-05   1X1X              
TITLE     WATER-MEDIATE INTERACTION AT APROTEIN-PROTEIN INTERFACE               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE;                                              
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 SYNONYM: BARNASE, RNASE BA;                                          
COMPND   5 EC: 3.1.27.-;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: BARSTAR;                                                   
COMPND   9 CHAIN: D, E, F;                                                      
COMPND  10 SYNONYM: RIBONUCLEASE INHIBITOR;                                     
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS;                     
SOURCE   3 ORGANISM_TAXID: 1390;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)[PLYSE];                          
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PTZ18U;                                    
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PML2BS;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS;                     
SOURCE  12 ORGANISM_TAXID: 1390;                                                
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)[PLYSE];                          
SOURCE  16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  17 EXPRESSION_SYSTEM_VECTOR: PTZ18U;                                    
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PML2BS                                    
KEYWDS    RNASE-INHIBITOR COMPLEX, HYDROLASE/HYDROLASE INHIBITOR, HYDROLASE-    
KEYWDS   2 PROTEIN BINDING COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.IKURA,Y.URAKUBO,N.ITO                                               
REVDAT   4   29-MAY-24 1X1X    1       REMARK                                   
REVDAT   3   10-NOV-21 1X1X    1       SEQADV                                   
REVDAT   2   24-FEB-09 1X1X    1       VERSN                                    
REVDAT   1   26-APR-05 1X1X    0                                                
JRNL        AUTH   T.IKURA,Y.URAKUBO,N.ITO                                      
JRNL        TITL   WATER-MEDIATED INTERACTION AT A PROTEIN-PROTEIN INTERFACE    
JRNL        REF    CHEM.PHYS.                    V. 307   111 2004              
JRNL        REFN                   ISSN 0301-0104                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 450251.740                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 29741                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.191                           
REMARK   3   FREE R VALUE                     : 0.237                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2971                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.44                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4300                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2240                       
REMARK   3   BIN FREE R VALUE                    : 0.3080                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 480                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.014                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4771                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 437                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.88000                                              
REMARK   3    B22 (A**2) : 3.45000                                              
REMARK   3    B33 (A**2) : -7.34000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 4.36000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.31                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.31                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.690                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.350 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.180 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.030 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.890 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 57.12                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1X1X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-APR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000024275.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL40B2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30754                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 1.900                              
REMARK 200  R MERGE                    (I) : 0.10700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.34                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS 1.1                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.54                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000      100.04750            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.93600            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000      100.04750            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       21.93600            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, F                                  
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 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 B 184  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     ALA C     1                                                      
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 E    97     O    HOH E    97     2657     2.19            
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    GLN A   2       74.89     72.98                                   
REMARK 500    ASN A   5       31.48   -144.40                                   
REMARK 500    ALA A  46       69.29   -156.75                                   
REMARK 500    THR A  79      -55.29   -126.07                                   
REMARK 500    ALA B  46       69.25   -175.41                                   
REMARK 500    LYS B  66      153.96    179.08                                   
REMARK 500    ASN B  77       19.50     59.29                                   
REMARK 500    THR B  79      -50.10   -127.06                                   
REMARK 500    LYS C  19      156.04    179.35                                   
REMARK 500    ALA C  46       70.84   -153.63                                   
REMARK 500    THR C  79      -59.75   -120.16                                   
REMARK 500    ASN C  84     -164.63   -100.33                                   
REMARK 500    TYR D  30      121.02    -32.31                                   
REMARK 500    TRP D  44      -57.53   -160.09                                   
REMARK 500    LEU D  62       18.69    -66.44                                   
REMARK 500    THR D  63       -2.19   -142.20                                   
REMARK 500    GLU D  64     -133.38     72.00                                   
REMARK 500    LYS E   2      147.27   -175.77                                   
REMARK 500    ASN E   6       92.71    -68.27                                   
REMARK 500    TYR E  30      125.37    -36.36                                   
REMARK 500    TRP E  44      -55.68   -161.86                                   
REMARK 500    GLU E  64      -77.65    -41.90                                   
REMARK 500    TYR F  30      118.97    -34.58                                   
REMARK 500    TRP F  44      -59.72   -155.62                                   
REMARK 500    ASN F  65        5.67     81.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1X1U   RELATED DB: PDB                                   
REMARK 900 RNASE-INHIBITOR COMPLEX: BARNASE(WT)-BARSTAR(PWT)                    
REMARK 900 RELATED ID: 1X1W   RELATED DB: PDB                                   
REMARK 900 RNASE-INHIBITOR COMPLEX: BARNASE(WT)-BARSTAR(E80A)                   
REMARK 900 RELATED ID: 1X1Y   RELATED DB: PDB                                   
REMARK 900 RNASE-INHIBITOR COMPLEX: BARNASE(Q2A)-BARSTAR(D35A)                  
DBREF  1X1X A    1   110  UNP    P00648   RNBR_BACAM      48    157             
DBREF  1X1X B    1   110  UNP    P00648   RNBR_BACAM      48    157             
DBREF  1X1X C    1   110  UNP    P00648   RNBR_BACAM      48    157             
DBREF  1X1X D    1    89  UNP    P11540   BARS_BACAM       1     89             
DBREF  1X1X E    1    89  UNP    P11540   BARS_BACAM       1     89             
DBREF  1X1X F    1    89  UNP    P11540   BARS_BACAM       1     89             
SEQADV 1X1X ALA D   40  UNP  P11540    CYS    40 ENGINEERED MUTATION            
SEQADV 1X1X ALA D   76  UNP  P11540    GLU    76 ENGINEERED MUTATION            
SEQADV 1X1X ALA D   82  UNP  P11540    CYS    82 ENGINEERED MUTATION            
SEQADV 1X1X ALA E   40  UNP  P11540    CYS    40 ENGINEERED MUTATION            
SEQADV 1X1X ALA E   76  UNP  P11540    GLU    76 ENGINEERED MUTATION            
SEQADV 1X1X ALA E   82  UNP  P11540    CYS    82 ENGINEERED MUTATION            
SEQADV 1X1X ALA F   40  UNP  P11540    CYS    40 ENGINEERED MUTATION            
SEQADV 1X1X ALA F   76  UNP  P11540    GLU    76 ENGINEERED MUTATION            
SEQADV 1X1X ALA F   82  UNP  P11540    CYS    82 ENGINEERED MUTATION            
SEQRES   1 A  110  ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR          
SEQRES   2 A  110  LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR          
SEQRES   3 A  110  LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS          
SEQRES   4 A  110  GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY          
SEQRES   5 A  110  GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY          
SEQRES   6 A  110  LYS SER GLY ARG THR TRP ARG GLU ALA ASP ILE ASN TYR          
SEQRES   7 A  110  THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER          
SEQRES   8 A  110  SER ASP TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN          
SEQRES   9 A  110  THR PHE THR LYS ILE ARG                                      
SEQRES   1 B  110  ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR          
SEQRES   2 B  110  LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR          
SEQRES   3 B  110  LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS          
SEQRES   4 B  110  GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY          
SEQRES   5 B  110  GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY          
SEQRES   6 B  110  LYS SER GLY ARG THR TRP ARG GLU ALA ASP ILE ASN TYR          
SEQRES   7 B  110  THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER          
SEQRES   8 B  110  SER ASP TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN          
SEQRES   9 B  110  THR PHE THR LYS ILE ARG                                      
SEQRES   1 C  110  ALA GLN VAL ILE ASN THR PHE ASP GLY VAL ALA ASP TYR          
SEQRES   2 C  110  LEU GLN THR TYR HIS LYS LEU PRO ASP ASN TYR ILE THR          
SEQRES   3 C  110  LYS SER GLU ALA GLN ALA LEU GLY TRP VAL ALA SER LYS          
SEQRES   4 C  110  GLY ASN LEU ALA ASP VAL ALA PRO GLY LYS SER ILE GLY          
SEQRES   5 C  110  GLY ASP ILE PHE SER ASN ARG GLU GLY LYS LEU PRO GLY          
SEQRES   6 C  110  LYS SER GLY ARG THR TRP ARG GLU ALA ASP ILE ASN TYR          
SEQRES   7 C  110  THR SER GLY PHE ARG ASN SER ASP ARG ILE LEU TYR SER          
SEQRES   8 C  110  SER ASP TRP LEU ILE TYR LYS THR THR ASP HIS TYR GLN          
SEQRES   9 C  110  THR PHE THR LYS ILE ARG                                      
SEQRES   1 D   89  LYS LYS ALA VAL ILE ASN GLY GLU GLN ILE ARG SER ILE          
SEQRES   2 D   89  SER ASP LEU HIS GLN THR LEU LYS LYS GLU LEU ALA LEU          
SEQRES   3 D   89  PRO GLU TYR TYR GLY GLU ASN LEU ASP ALA LEU TRP ASP          
SEQRES   4 D   89  ALA LEU THR GLY TRP VAL GLU TYR PRO LEU VAL LEU GLU          
SEQRES   5 D   89  TRP ARG GLN PHE GLU GLN SER LYS GLN LEU THR GLU ASN          
SEQRES   6 D   89  GLY ALA GLU SER VAL LEU GLN VAL PHE ARG ALA ALA LYS          
SEQRES   7 D   89  ALA GLU GLY ALA ASP ILE THR ILE ILE LEU SER                  
SEQRES   1 E   89  LYS LYS ALA VAL ILE ASN GLY GLU GLN ILE ARG SER ILE          
SEQRES   2 E   89  SER ASP LEU HIS GLN THR LEU LYS LYS GLU LEU ALA LEU          
SEQRES   3 E   89  PRO GLU TYR TYR GLY GLU ASN LEU ASP ALA LEU TRP ASP          
SEQRES   4 E   89  ALA LEU THR GLY TRP VAL GLU TYR PRO LEU VAL LEU GLU          
SEQRES   5 E   89  TRP ARG GLN PHE GLU GLN SER LYS GLN LEU THR GLU ASN          
SEQRES   6 E   89  GLY ALA GLU SER VAL LEU GLN VAL PHE ARG ALA ALA LYS          
SEQRES   7 E   89  ALA GLU GLY ALA ASP ILE THR ILE ILE LEU SER                  
SEQRES   1 F   89  LYS LYS ALA VAL ILE ASN GLY GLU GLN ILE ARG SER ILE          
SEQRES   2 F   89  SER ASP LEU HIS GLN THR LEU LYS LYS GLU LEU ALA LEU          
SEQRES   3 F   89  PRO GLU TYR TYR GLY GLU ASN LEU ASP ALA LEU TRP ASP          
SEQRES   4 F   89  ALA LEU THR GLY TRP VAL GLU TYR PRO LEU VAL LEU GLU          
SEQRES   5 F   89  TRP ARG GLN PHE GLU GLN SER LYS GLN LEU THR GLU ASN          
SEQRES   6 F   89  GLY ALA GLU SER VAL LEU GLN VAL PHE ARG ALA ALA LYS          
SEQRES   7 F   89  ALA GLU GLY ALA ASP ILE THR ILE ILE LEU SER                  
FORMUL   7  HOH   *437(H2 O)                                                    
HELIX    1   1 THR A    6  HIS A   18  1                                  13    
HELIX    2   2 THR A   26  LEU A   33  1                                   8    
HELIX    3   3 VAL A   36  GLY A   40  5                                   5    
HELIX    4   4 ASN A   41  ALA A   46  1                                   6    
HELIX    5   5 THR B    6  HIS B   18  1                                  13    
HELIX    6   6 THR B   26  LEU B   33  1                                   8    
HELIX    7   7 VAL B   36  GLY B   40  5                                   5    
HELIX    8   8 ASN B   41  ALA B   46  1                                   6    
HELIX    9   9 THR C    6  HIS C   18  1                                  13    
HELIX   10  10 THR C   26  LEU C   33  1                                   8    
HELIX   11  11 VAL C   36  GLY C   40  5                                   5    
HELIX   12  12 ASN C   41  ALA C   46  1                                   6    
HELIX   13  13 GLU D    8  ILE D   10  5                                   3    
HELIX   14  14 SER D   12  LEU D   24  1                                  13    
HELIX   15  15 ASN D   33  TRP D   44  1                                  12    
HELIX   16  16 GLN D   55  LEU D   62  1                                   8    
HELIX   17  17 ASN D   65  GLY D   81  1                                  17    
HELIX   18  18 GLU E    8  ILE E   10  5                                   3    
HELIX   19  19 SER E   12  ALA E   25  1                                  14    
HELIX   20  20 ASN E   33  TRP E   44  1                                  12    
HELIX   21  21 GLN E   55  THR E   63  1                                   9    
HELIX   22  22 ASN E   65  GLU E   80  1                                  16    
HELIX   23  23 GLU F    8  ILE F   10  5                                   3    
HELIX   24  24 SER F   12  LEU F   24  1                                  13    
HELIX   25  25 ASN F   33  TRP F   44  1                                  12    
HELIX   26  26 GLN F   55  LEU F   62  1                                   8    
HELIX   27  27 ASN F   65  GLU F   80  1                                  16    
SHEET    1   A 6 TYR A  24  ILE A  25  0                                        
SHEET    2   A 6 SER A  50  PHE A  56  1  O  SER A  50   N  ILE A  25           
SHEET    3   A 6 TRP A  71  ASP A  75 -1  O  TRP A  71   N  PHE A  56           
SHEET    4   A 6 ARG A  87  SER A  91 -1  O  ILE A  88   N  ALA A  74           
SHEET    5   A 6 ILE A  96  THR A  99 -1  O  TYR A  97   N  LEU A  89           
SHEET    6   A 6 THR A 107  ARG A 110 -1  O  ILE A 109   N  ILE A  96           
SHEET    1   B 6 TYR B  24  ILE B  25  0                                        
SHEET    2   B 6 SER B  50  PHE B  56  1  O  SER B  50   N  ILE B  25           
SHEET    3   B 6 TRP B  71  ASP B  75 -1  O  GLU B  73   N  GLY B  53           
SHEET    4   B 6 ARG B  87  SER B  91 -1  O  ILE B  88   N  ALA B  74           
SHEET    5   B 6 ILE B  96  THR B  99 -1  O  TYR B  97   N  LEU B  89           
SHEET    6   B 6 THR B 107  ARG B 110 -1  O  THR B 107   N  LYS B  98           
SHEET    1   C 6 TYR C  24  ILE C  25  0                                        
SHEET    2   C 6 SER C  50  PHE C  56  1  O  SER C  50   N  ILE C  25           
SHEET    3   C 6 TRP C  71  ASP C  75 -1  O  ASP C  75   N  ILE C  51           
SHEET    4   C 6 ARG C  87  SER C  91 -1  O  ILE C  88   N  ALA C  74           
SHEET    5   C 6 ILE C  96  THR C  99 -1  O  TYR C  97   N  LEU C  89           
SHEET    6   C 6 THR C 107  ARG C 110 -1  O  ILE C 109   N  ILE C  96           
SHEET    1   D 3 LYS D   2  ASN D   6  0                                        
SHEET    2   D 3 LEU D  49  ARG D  54  1  O  GLU D  52   N  ALA D   3           
SHEET    3   D 3 ILE D  84  SER D  89  1  O  ILE D  87   N  TRP D  53           
SHEET    1   E 3 ALA E   3  ASN E   6  0                                        
SHEET    2   E 3 LEU E  49  ARG E  54  1  O  GLU E  52   N  ALA E   3           
SHEET    3   E 3 ILE E  84  LEU E  88  1  O  THR E  85   N  LEU E  51           
SHEET    1   F 3 LYS F   2  ASN F   6  0                                        
SHEET    2   F 3 LEU F  49  ARG F  54  1  O  GLU F  52   N  ALA F   3           
SHEET    3   F 3 ILE F  84  LEU F  88  1  O  ILE F  87   N  LEU F  51           
CISPEP   1 TYR D   47    PRO D   48          0        -0.31                     
CISPEP   2 TYR E   47    PRO E   48          0        -0.15                     
CISPEP   3 TYR F   47    PRO F   48          0         0.09                     
CRYST1  200.095   43.872   83.234  90.00 110.32  90.00 C 1 2 1      12          
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      0.004998  0.000000  0.001851        0.00000                         
SCALE2      0.000000  0.022794  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012812        0.00000