HEADER    HYDROLASE                               10-APR-09   2KHS              
TITLE     SOLUTION STRUCTURE OF SNASE121:SNASE(111-143) COMPLEX                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THERMONUCLEASE;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 83-203;                                       
COMPND   5 SYNONYM: TNASE, MICROCOCCAL NUCLEASE, STAPHYLOCOCCAL NUCLEASE,       
COMPND   6 NUCLEASE B, NUCLEASE A;                                              
COMPND   7 EC: 3.1.31.1;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: NUCLEASE;                                                  
COMPND  11 CHAIN: B;                                                            
COMPND  12 FRAGMENT: UNP RESIDUES 190-222;                                      
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE   3 ORGANISM_TAXID: 1280;                                                
SOURCE   4 GENE: NUC;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR: PET-3D;                                    
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE  10 ORGANISM_TAXID: 1280;                                                
SOURCE  11 GENE: NUC;                                                           
SOURCE  12 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  13 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  14 EXPRESSION_SYSTEM_VECTOR: PET3D-HR52                                 
KEYWDS    HYDROLASE, CALCIUM, ENDONUCLEASE, MEMBRANE, METAL-BINDING, NUCLEASE,  
KEYWDS   2 SECRETED, ZYMOGEN                                                    
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    Y.GENG,Y.FENG,T.XIE,L.SHAN,J.WANG                                     
REVDAT   4   15-MAY-24 2KHS    1       REMARK                                   
REVDAT   3   14-JUN-23 2KHS    1       REMARK                                   
REVDAT   2   26-FEB-20 2KHS    1       REMARK SEQADV                            
REVDAT   1   20-OCT-09 2KHS    0                                                
JRNL        AUTH   Y.GENG,Y.FENG,T.XIE,L.SHAN,J.WANG                            
JRNL        TITL   THE NATIVE-LIKE INTERACTIONS BETWEEN SNASE121 AND            
JRNL        TITL 2 SNASE(111-143) FRAGMENTS INDUCE THE RECOVERY OF THEIR        
JRNL        TITL 3 NATIVE-LIKE STRUCTURES AND THE ABILITY TO DEGRADE DNA.       
JRNL        REF    BIOCHEMISTRY                  V.  48  8692 2009              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   19658434                                                     
JRNL        DOI    10.1021/BI901099S                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR, CNS 1.2                                     
REMARK   3   AUTHORS     : BRUKER BIOSPIN (XWINNMR),                            
REMARK   3  BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,   
REMARK   3  NILGES, PANNU,READ,RICE,SIMONSON,WARREN (CNS)                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2KHS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-APR-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000101137.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 300                                
REMARK 210  PH                             : 5.0                                
REMARK 210  IONIC STRENGTH                 : 0.15                               
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 1.0 MM [U-13C; U-15N] PROTEIN-1,   
REMARK 210                                   1.0 MM PROTEIN-2, 50 MM SODIUM     
REMARK 210                                   ACETATE-3, 100 MM POTASSIUM        
REMARK 210                                   CHLORIDE-4, 90% H2O/10% D2O; 1.0   
REMARK 210                                   MM PROTEIN-1, 1.0 MM [U-13C; U-    
REMARK 210                                   15N] PROTEIN-2, 50 MM SODIUM       
REMARK 210                                   ACETATE-7, 100 MM POTASSIUM        
REMARK 210                                   CHLORIDE-8, 90% H2O/10% D2O; 1     
REMARK 210                                   MM [U-13C] PROTEIN-1, 1 MM [U-     
REMARK 210                                   15N] PROTEIN-2, 50 MM SODIUM       
REMARK 210                                   ACETATE-11, 100 MM POTASSIUM       
REMARK 210                                   CHLORIDE-12, 90% H2O/10% D2O; 1    
REMARK 210                                   MM [U-15N] PROTEIN-1, 1 MM [U-     
REMARK 210                                   13C] PROTEIN-2, 50 MM SODIUM       
REMARK 210                                   ACETATE-15, 100 MM POTASSIUM       
REMARK 210                                   CHLORIDE-16, 90% H2O/10% D2O       
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-15N HSQC; 2D 1H-13C HSQC;    
REMARK 210                                   3D CBCA(CO)NH; 3D HNCACB; 3D       
REMARK 210                                   HNCO; 3D HN(CA)CO; 3D H(CCO)NH;    
REMARK 210                                   3D C(CO)NH; 3D 1H-15N TOCSY; 3D    
REMARK 210                                   1H-15N NOESY; 3D 1H-13C NOESY;     
REMARK 210                                   4D 13C,1H-HMQC-NOESY-15N,1H-HSQC;  
REMARK 210                                   3D W1-FILTER-NOESY-13C, 1H-HSQC    
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DMX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : FELIX, CNS 1.2                     
REMARK 210   METHOD USED                   : MOLECULAR DYNAMICS, SIMULATED      
REMARK 210                                   ANNEALING                          
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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   HZ3  LYS A   116     OE1  GLU B   135              1.59            
REMARK 500   HZ1  LYS B   149     O    ASP B   156              1.60            
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  1 THR A   2      -58.67     71.48                                   
REMARK 500  1 ASP A  21      -57.46   -174.90                                   
REMARK 500  1 THR A  41      -60.36   -122.52                                   
REMARK 500  1 HIS A  46      104.20   -170.63                                   
REMARK 500  1 PRO A  47       98.39    -57.71                                   
REMARK 500  1 VAL A  51       43.68    -83.89                                   
REMARK 500  1 ASP A  95       26.53     46.96                                   
REMARK 500  1 ASN A 118      -61.15   -165.22                                   
REMARK 500  1 ASN A 119      -90.42   -137.60                                   
REMARK 500  1 SER B 123      -13.62     66.85                                   
REMARK 500  1 HIS B 134      -14.20     85.93                                   
REMARK 500  1 ASN B 151      -92.85     54.16                                   
REMARK 500  2 THR A   2      109.02     70.96                                   
REMARK 500  2 LYS A  16      142.30   -174.24                                   
REMARK 500  2 ILE A  18      -64.80    -90.15                                   
REMARK 500  2 ASP A  21      -34.06    177.71                                   
REMARK 500  2 TYR A  54       23.80   -149.48                                   
REMARK 500  2 TYR A 115       65.37   -165.27                                   
REMARK 500  2 ASN A 118      -85.49     65.33                                   
REMARK 500  2 THR A 120      -65.65     76.16                                   
REMARK 500  2 PRO B 130      -74.90    -94.32                                   
REMARK 500  2 ASN B 131       47.63    -88.73                                   
REMARK 500  2 ASN B 151      -97.11     46.26                                   
REMARK 500  3 LYS A   6      -73.37   -136.70                                   
REMARK 500  3 ILE A  18      -64.45   -105.89                                   
REMARK 500  3 ASP A  19     -152.71   -122.71                                   
REMARK 500  3 ASP A  21      -56.12   -179.73                                   
REMARK 500  3 PRO A  42       67.22    -68.96                                   
REMARK 500  3 THR A  44      -42.57     74.58                                   
REMARK 500  3 HIS A  46       97.99     73.41                                   
REMARK 500  3 LYS A  48      -42.34     72.29                                   
REMARK 500  3 LYS A 116      146.09     69.97                                   
REMARK 500  3 TYR B 128       36.01    -82.02                                   
REMARK 500  3 LYS B 129      130.38     71.40                                   
REMARK 500  3 PRO B 130     -151.91    -76.84                                   
REMARK 500  3 ASN B 132       10.24   -142.73                                   
REMARK 500  3 ASN B 151      -89.97     47.44                                   
REMARK 500  4 THR A   4       87.18     49.01                                   
REMARK 500  4 LEU A   7     -105.08   -107.63                                   
REMARK 500  4 ASP A  19     -161.62   -113.25                                   
REMARK 500  4 ASP A  21      -62.19   -143.78                                   
REMARK 500  4 LEU A  38        8.48     85.99                                   
REMARK 500  4 HIS A  46      -77.65     87.84                                   
REMARK 500  4 LYS A 116      121.99     69.45                                   
REMARK 500  4 ASN A 118      -65.30   -102.75                                   
REMARK 500  4 ASN A 119       99.17   -164.18                                   
REMARK 500  4 ALA B 125     -100.65     54.78                                   
REMARK 500  4 TYR B 126       99.81   -170.26                                   
REMARK 500  4 ASN B 131       41.97    -89.15                                   
REMARK 500  4 ASN B 151      -69.84     53.92                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     228 RAMACHANDRAN OUTLIERS.                        
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  1 ARG A  35         0.10    SIDE CHAIN                              
REMARK 500  7 ARG A  81         0.07    SIDE CHAIN                              
REMARK 500  9 ARG A  87         0.12    SIDE CHAIN                              
REMARK 500 13 ARG A  35         0.08    SIDE CHAIN                              
REMARK 500 15 ARG A  35         0.08    SIDE CHAIN                              
REMARK 500 16 ARG A 105         0.08    SIDE CHAIN                              
REMARK 500 19 ARG A  81         0.09    SIDE CHAIN                              
REMARK 500 20 ARG A  87         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 15357   RELATED DB: BMRB                                 
DBREF  2KHS A    1   121  UNP    P00644   NUC_STAAU       83    203             
DBREF  2KHS B  124   156  UNP    Q1WCB7   Q1WCB7_STAAU   190    222             
SEQADV 2KHS GLY B  122  UNP  Q1WCB7              EXPRESSION TAG                 
SEQADV 2KHS SER B  123  UNP  Q1WCB7              EXPRESSION TAG                 
SEQRES   1 A  121  ALA THR SER THR LYS LYS LEU HIS LYS GLU PRO ALA THR          
SEQRES   2 A  121  LEU ILE LYS ALA ILE ASP GLY ASP THR VAL LYS LEU MET          
SEQRES   3 A  121  TYR LYS GLY GLN PRO MET THR PHE ARG LEU LEU LEU VAL          
SEQRES   4 A  121  ASP THR PRO GLU THR LYS HIS PRO LYS LYS GLY VAL GLU          
SEQRES   5 A  121  LYS TYR GLY PRO GLU ALA SER ALA PHE THR LYS LYS MET          
SEQRES   6 A  121  VAL GLU ASN ALA LYS LYS ILE GLU VAL GLU PHE ASP LYS          
SEQRES   7 A  121  GLY GLN ARG THR ASP LYS TYR GLY ARG GLY LEU ALA TYR          
SEQRES   8 A  121  ILE TYR ALA ASP GLY LYS MET VAL ASN GLU ALA LEU VAL          
SEQRES   9 A  121  ARG GLN GLY LEU ALA LYS VAL ALA TYR VAL TYR LYS PRO          
SEQRES  10 A  121  ASN ASN THR HIS                                              
SEQRES   1 B   35  GLY SER VAL ALA TYR VAL TYR LYS PRO ASN ASN THR HIS          
SEQRES   2 B   35  GLU GLN LEU LEU ARG LYS SER GLU ALA GLN ALA LYS LYS          
SEQRES   3 B   35  GLU LYS LEU ASN ILE TRP SER GLU ASP                          
HELIX    1   1 TYR A   54  ASN A   68  1                                  15    
HELIX    2   2 VAL A   99  GLN A  106  1                                   8    
HELIX    3   3 HIS B  134  LYS B  149  1                                  16    
HELIX    4   4 LEU B  150  GLU B  155  5                                   6    
SHEET    1   A 6 LYS A   9  PRO A  11  0                                        
SHEET    2   A 6 ILE A  72  GLU A  75 -1  O  VAL A  74   N  GLU A  10           
SHEET    3   A 6 ARG A  87  ALA A  94 -1  O  TYR A  93   N  GLU A  73           
SHEET    4   A 6 GLN A  30  LEU A  36  1  N  THR A  33   O  GLY A  88           
SHEET    5   A 6 VAL A  23  TYR A  27 -1  N  LEU A  25   O  MET A  32           
SHEET    6   A 6 THR A  13  ALA A  17 -1  N  LYS A  16   O  LYS A  24           
SHEET    1   B 4 LYS A   9  PRO A  11  0                                        
SHEET    2   B 4 ILE A  72  GLU A  75 -1  O  VAL A  74   N  GLU A  10           
SHEET    3   B 4 ARG A  87  ALA A  94 -1  O  TYR A  93   N  GLU A  73           
SHEET    4   B 4 LYS A  97  MET A  98 -1  O  LYS A  97   N  ALA A  94           
SHEET    1   C 2 VAL A  39  ASP A  40  0                                        
SHEET    2   C 2 LYS A 110  VAL A 111 -1  O  LYS A 110   N  ASP A  40           
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1