PDB Short entry for 3DSC
HEADER    HYDROLASE/DNA                           11-JUL-08   3DSC              
TITLE     CRYSTAL STRUCTURE OF P. FURIOSUS MRE11 DNA SYNAPTIC COMPLEX           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DNA DOUBLE-STRAND BREAK REPAIR PROTEIN MRE11;              
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PFMRE11 NUCLEASE DOMAIN;                                   
COMPND   5 SYNONYM: PFMRE11;                                                    
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: DNA (5'-                                                   
COMPND   9 D(P*DCP*DAP*DCP*DAP*DAP*DGP*DCP*DTP*DTP*DTP*DTP*DGP*DCP*DTP*DTP*DGP*D
COMPND  10 TP*DGP*DAP*DC)-3');                                                  
COMPND  11 CHAIN: B;                                                            
COMPND  12 FRAGMENT: 3' OVERHANG DNA HAIRPIN;                                   
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS;                            
SOURCE   3 ORGANISM_TAXID: 2261;                                                
SOURCE   4 GENE: MRE11, PF1166;                                                 
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 SYNTHETIC: YES                                                       
KEYWDS    PROTEIN-DNA COMPLEX, DOUBLE HELIX, NUCLEASE, DNA DAMAGE, DNA REPAIR,  
KEYWDS   2 ENDONUCLEASE, EXONUCLEASE, HYDROLASE, MANGANESE, METAL-BINDING,      
KEYWDS   3 HYDROLASE-DNA COMPLEX                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.S.WILLIAMS,G.MONCALIAN,D.S.SHIN,J.A.TAINER                          
REVDAT   6   30-AUG-23 3DSC    1       REMARK                                   
REVDAT   5   26-FEB-20 3DSC    1       REMARK SEQADV                            
REVDAT   4   13-JUL-11 3DSC    1       VERSN                                    
REVDAT   3   28-JUL-09 3DSC    1       JRNL                                     
REVDAT   2   24-FEB-09 3DSC    1       VERSN                                    
REVDAT   1   14-OCT-08 3DSC    0                                                
JRNL        AUTH   R.S.WILLIAMS,G.MONCALIAN,J.S.WILLIAMS,Y.YAMADA,O.LIMBO,      
JRNL        AUTH 2 D.S.SHIN,L.M.GROOCOCK,D.CAHILL,C.HITOMI,G.GUENTHER,D.MOIANI, 
JRNL        AUTH 3 J.P.CARNEY,P.RUSSELL,J.A.TAINER                              
JRNL        TITL   MRE11 DIMERS COORDINATE DNA END BRIDGING AND NUCLEASE        
JRNL        TITL 2 PROCESSING IN DOUBLE-STRAND-BREAK REPAIR.                    
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 135    97 2008              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   18854158                                                     
JRNL        DOI    10.1016/J.CELL.2008.08.017                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.94                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 9708                           
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 + TEST SET) : 0.230                           
REMARK   3   R VALUE            (WORKING SET) : 0.228                           
REMARK   3   FREE R VALUE                     : 0.278                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 545                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.77                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 569                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 86.54                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2980                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 29                           
REMARK   3   BIN FREE R VALUE                    : 0.2120                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2754                                    
REMARK   3   NUCLEIC ACID ATOMS       : 348                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 63                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.37                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.71000                                             
REMARK   3    B22 (A**2) : 4.77000                                              
REMARK   3    B33 (A**2) : -3.06000                                             
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  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.444         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.329         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 32.169        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.917                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.877                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3204 ; 0.005 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4394 ; 0.983 ; 2.104       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   332 ; 4.865 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   142 ;34.481 ;23.521       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   504 ;16.059 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    20 ;16.295 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   463 ; 0.072 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2329 ; 0.002 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1321 ; 0.146 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2109 ; 0.310 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   166 ; 0.152 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    72 ; 0.129 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    12 ; 0.238 ; 0.500       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1696 ; 0.199 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2668 ; 0.354 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1817 ; 0.060 ; 2.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1726 ; 0.099 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     1        A   333                          
REMARK   3    RESIDUE RANGE :   B     1        B    19                          
REMARK   3    ORIGIN FOR THE GROUP (A):  21.9472   6.5159  18.1059              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0888 T22:   0.0081                                     
REMARK   3      T33:  -0.0400 T12:  -0.0087                                     
REMARK   3      T13:  -0.0170 T23:  -0.0032                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.0199 L22:   2.8192                                     
REMARK   3      L33:   2.3164 L12:  -0.4391                                     
REMARK   3      L13:   0.1750 L23:   0.0457                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0534 S12:   0.1333 S13:   0.2129                       
REMARK   3      S21:  -0.1842 S22:   0.0151 S23:   0.3944                       
REMARK   3      S31:  -0.1121 S32:  -0.3717 S33:  -0.0684                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3DSC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUL-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000048426.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10769                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.5                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.08500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 17.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1II7                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.22                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 1000, 0.1 M TRIS-HCL, 0.2 M      
REMARK 280  MGCL2, 0.2 M 1,6 HEXANEDIOL, PH 7.5, VAPOR DIFFUSION, SITTING       
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
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,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       49.23850            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       53.03550            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       49.23850            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       53.03550            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       49.23850            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       53.03550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       49.23850            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       53.03550            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
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 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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 404  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B  21  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     LYS A   334                                                      
REMARK 465     GLU A   335                                                      
REMARK 465     ARG A   336                                                      
REMARK 465     THR A   337                                                      
REMARK 465     ASP A   338                                                      
REMARK 465     GLU A   339                                                      
REMARK 465     GLU A   340                                                      
REMARK 465     SER A   341                                                      
REMARK 465     GLY A   342                                                      
REMARK 465     LYS A   343                                                      
REMARK 465     HIS A   344                                                      
REMARK 465     HIS A   345                                                      
REMARK 465     HIS A   346                                                      
REMARK 465     HIS A   347                                                      
REMARK 465     HIS A   348                                                      
REMARK 465     HIS A   349                                                      
REMARK 465      DT B     9                                                      
REMARK 465      DT B    10                                                      
REMARK 465      DC B    20                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ARG A  309   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A  310   CD   CE   NZ                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LYS A 310   CG    LYS A 310   CD      0.240                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DC B   1   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DA B   4   O4' -  C1' -  N9  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DT B  15   O4' -  C1' -  N1  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DT B  17   O4' -  C1' -  N1  ANGL. DEV. =   3.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ALA A  47       44.09    -81.14                                   
REMARK 500    LYS A 136     -112.32     54.71                                   
REMARK 500    ASP A 186       38.48   -142.09                                   
REMARK 500    HIS A 206      -62.34    129.67                                   
REMARK 500    ASP A 233       45.40    -97.07                                   
REMARK 500    ASN A 322       39.05    -87.72                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1II7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1S8E   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3DSD   RELATED DB: PDB                                   
DBREF  3DSC A    1   343  UNP    Q8U1N9   MRE11_PYRFU      1    343             
DBREF  3DSC B    1    20  PDB    3DSC     3DSC             1     20             
SEQADV 3DSC HIS A  344  UNP  Q8U1N9              EXPRESSION TAG                 
SEQADV 3DSC HIS A  345  UNP  Q8U1N9              EXPRESSION TAG                 
SEQADV 3DSC HIS A  346  UNP  Q8U1N9              EXPRESSION TAG                 
SEQADV 3DSC HIS A  347  UNP  Q8U1N9              EXPRESSION TAG                 
SEQADV 3DSC HIS A  348  UNP  Q8U1N9              EXPRESSION TAG                 
SEQADV 3DSC HIS A  349  UNP  Q8U1N9              EXPRESSION TAG                 
SEQRES   1 A  349  MET LYS PHE ALA HIS LEU ALA ASP ILE HIS LEU GLY TYR          
SEQRES   2 A  349  GLU GLN PHE HIS LYS PRO GLN ARG GLU GLU GLU PHE ALA          
SEQRES   3 A  349  GLU ALA PHE LYS ASN ALA LEU GLU ILE ALA VAL GLN GLU          
SEQRES   4 A  349  ASN VAL ASP PHE ILE LEU ILE ALA GLY ASP LEU PHE HIS          
SEQRES   5 A  349  SER SER ARG PRO SER PRO GLY THR LEU LYS LYS ALA ILE          
SEQRES   6 A  349  ALA LEU LEU GLN ILE PRO LYS GLU HIS SER ILE PRO VAL          
SEQRES   7 A  349  PHE ALA ILE GLU GLY ASN HIS ASP ARG THR GLN ARG GLY          
SEQRES   8 A  349  PRO SER VAL LEU ASN LEU LEU GLU ASP PHE GLY LEU VAL          
SEQRES   9 A  349  TYR VAL ILE GLY MET ARG LYS GLU LYS VAL GLU ASN GLU          
SEQRES  10 A  349  TYR LEU THR SER GLU ARG LEU GLY ASN GLY GLU TYR LEU          
SEQRES  11 A  349  VAL LYS GLY VAL TYR LYS ASP LEU GLU ILE HIS GLY MET          
SEQRES  12 A  349  LYS TYR MET SER SER ALA TRP PHE GLU ALA ASN LYS GLU          
SEQRES  13 A  349  ILE LEU LYS ARG LEU PHE ARG PRO THR ASP ASN ALA ILE          
SEQRES  14 A  349  LEU MET LEU HIS GLN GLY VAL ARG GLU VAL SER GLU ALA          
SEQRES  15 A  349  ARG GLY GLU ASP TYR PHE GLU ILE GLY LEU GLY ASP LEU          
SEQRES  16 A  349  PRO GLU GLY TYR LEU TYR TYR ALA LEU GLY HIS ILE HIS          
SEQRES  17 A  349  LYS ARG TYR GLU THR SER TYR SER GLY SER PRO VAL VAL          
SEQRES  18 A  349  TYR PRO GLY SER LEU GLU ARG TRP ASP PHE GLY ASP TYR          
SEQRES  19 A  349  GLU VAL ARG TYR GLU TRP ASP GLY ILE LYS PHE LYS GLU          
SEQRES  20 A  349  ARG TYR GLY VAL ASN LYS GLY PHE TYR ILE VAL GLU ASP          
SEQRES  21 A  349  PHE LYS PRO ARG PHE VAL GLU ILE LYS VAL ARG PRO PHE          
SEQRES  22 A  349  ILE ASP VAL LYS ILE LYS GLY SER GLU GLU GLU ILE ARG          
SEQRES  23 A  349  LYS ALA ILE LYS ARG LEU ILE PRO LEU ILE PRO LYS ASN          
SEQRES  24 A  349  ALA TYR VAL ARG LEU ASN ILE GLY TRP ARG LYS PRO PHE          
SEQRES  25 A  349  ASP LEU THR GLU ILE LYS GLU LEU LEU ASN VAL GLU TYR          
SEQRES  26 A  349  LEU LYS ILE ASP THR TRP ARG ILE LYS GLU ARG THR ASP          
SEQRES  27 A  349  GLU GLU SER GLY LYS HIS HIS HIS HIS HIS HIS                  
SEQRES   1 B   20   DC  DA  DC  DA  DA  DG  DC  DT  DT  DT  DT  DG  DC          
SEQRES   2 B   20   DT  DT  DG  DT  DG  DA  DC                                  
FORMUL   3  HOH   *63(H2 O)                                                     
HELIX    1   1 GLU A   14  HIS A   17  5                                   4    
HELIX    2   2 LYS A   18  GLU A   39  1                                  22    
HELIX    3   3 SER A   57  GLU A   73  1                                  17    
HELIX    4   4 SER A   93  ASP A  100  1                                   8    
HELIX    5   5 SER A  147  ASN A  154  1                                   8    
HELIX    6   6 GLU A  156  PHE A  162  1                                   7    
HELIX    7   7 VAL A  176  ARG A  183  1                                   8    
HELIX    8   8 GLY A  191  LEU A  195  5                                   5    
HELIX    9   9 SER A  281  ILE A  293  1                                  13    
HELIX   10  10 LEU A  314  LEU A  321  1                                   8    
SHEET    1   A 6 TYR A 105  VAL A 106  0                                        
SHEET    2   A 6 VAL A  78  ILE A  81  1  N  VAL A  78   O  TYR A 105           
SHEET    3   A 6 PHE A  43  ALA A  47  1  N  ILE A  44   O  PHE A  79           
SHEET    4   A 6 LYS A   2  LEU A   6  1  N  LEU A   6   O  LEU A  45           
SHEET    5   A 6 GLY A 254  GLU A 259 -1  O  VAL A 258   N  PHE A   3           
SHEET    6   A 6 LYS A 262  GLU A 267 -1  O  VAL A 266   N  PHE A 255           
SHEET    1   B 3 GLY A 108  ARG A 110  0                                        
SHEET    2   B 3 TYR A 129  TYR A 135 -1  O  VAL A 131   N  GLY A 108           
SHEET    3   B 3 LEU A 119  ARG A 123 -1  N  GLU A 122   O  LEU A 130           
SHEET    1   C 7 GLY A 108  ARG A 110  0                                        
SHEET    2   C 7 TYR A 129  TYR A 135 -1  O  VAL A 131   N  GLY A 108           
SHEET    3   C 7 LEU A 138  GLY A 142 -1  O  LEU A 138   N  TYR A 135           
SHEET    4   C 7 ALA A 168  HIS A 173  1  O  ILE A 169   N  HIS A 141           
SHEET    5   C 7 TYR A 201  GLY A 205  1  O  ALA A 203   N  LEU A 170           
SHEET    6   C 7 SER A 218  TYR A 222  1  O  VAL A 221   N  TYR A 202           
SHEET    7   C 7 TYR A 211  TYR A 215 -1  N  TYR A 211   O  TYR A 222           
SHEET    1   D 5 PHE A 245  LYS A 246  0                                        
SHEET    2   D 5 VAL A 236  TRP A 240 -1  N  GLU A 239   O  LYS A 246           
SHEET    3   D 5 PHE A 273  LYS A 279  1  O  LYS A 277   N  TYR A 238           
SHEET    4   D 5 TYR A 301  TRP A 308  1  O  ARG A 303   N  VAL A 276           
SHEET    5   D 5 TYR A 325  ARG A 332  1  O  ASP A 329   N  LEU A 304           
CRYST1   98.477  106.071   76.667  90.00  90.00  90.00 C 2 2 2       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      0.010155  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009428  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013043        0.00000