HEADER    HYDROLASE                               27-MAR-07   2PAU              
TITLE     CRYSTAL STRUCTURE OF THE 5'-DEOXYNUCLEOTIDASE YFBR MUTANT E72A        
TITLE    2 COMPLEXED WITH CO(2+) AND DAMP                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-DEOXYNUCLEOTIDASE YFBR;                                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NUCLEOSIDE 5'-MONOPHOSPHATE PHOSPHOHYDROLASE, 5'-           
COMPND   5 DEOXYRIBONUCLEOTIDASE;                                               
COMPND   6 EC: 3.1.3.5;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: YFBR, B2291, JW2288;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: ROSETTA2(DE3);                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: MODIFIED PET-15B                          
KEYWDS    NUCLEOTIDASE, 5'-DEOXYNUCLEOTIDASE, YFBR, HD DOMAIN PHOSPHOHYDROLASE, 
KEYWDS   2 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.D.ZIMMERMAN,M.PROUDFOOT,A.YAKUNIN,W.MINOR                           
REVDAT   6   30-AUG-23 2PAU    1       REMARK                                   
REVDAT   5   13-APR-22 2PAU    1       AUTHOR JRNL                              
REVDAT   4   20-OCT-21 2PAU    1       REMARK SEQADV LINK                       
REVDAT   3   13-JUL-11 2PAU    1       VERSN                                    
REVDAT   2   06-MAY-08 2PAU    1       JRNL   VERSN                             
REVDAT   1   04-MAR-08 2PAU    0                                                
JRNL        AUTH   M.D.ZIMMERMAN,M.PROUDFOOT,A.YAKUNIN,W.MINOR                  
JRNL        TITL   STRUCTURAL INSIGHT INTO THE MECHANISM OF SUBSTRATE           
JRNL        TITL 2 SPECIFICITY AND CATALYTIC ACTIVITY OF AN HD-DOMAIN           
JRNL        TITL 3 PHOSPHOHYDROLASE: THE 5'-DEOXYRIBONUCLEOTIDASE YFBR FROM     
JRNL        TITL 4 ESCHERICHIA COLI.                                            
JRNL        REF    J.MOL.BIOL.                   V. 378   215 2008              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   18353368                                                     
JRNL        DOI    10.1016/J.JMB.2008.02.036                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 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) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.13                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 19971                          
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) : 0.196                           
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1028                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1270                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.74                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2500                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 72                           
REMARK   3   BIN FREE R VALUE                    : 0.3570                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2724                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 53                                      
REMARK   3   SOLVENT ATOMS            : 53                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 45.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.13000                                             
REMARK   3    B22 (A**2) : -0.13000                                             
REMARK   3    B33 (A**2) : 0.19000                                              
REMARK   3    B12 (A**2) : -0.06000                                             
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): 0.259         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.221         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.175         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 13.201        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.953                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.917                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2825 ; 0.022 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2577 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3830 ; 1.908 ; 1.980       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5943 ; 0.902 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   349 ; 6.341 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   130 ;36.108 ;24.231       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   464 ;15.351 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    19 ;17.821 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   438 ; 0.104 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3129 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   560 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   690 ; 0.238 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2573 ; 0.183 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1373 ; 0.190 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1686 ; 0.093 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   108 ; 0.168 ; 0.200       
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):    15 ; 0.337 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    39 ; 0.330 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     4 ; 0.145 ; 0.200       
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):  1819 ; 0.983 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   706 ; 0.276 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2805 ; 1.450 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1147 ; 2.411 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1025 ; 3.615 ; 4.500       
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 : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 4                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           4     A      4       A     301      4                      
REMARK   3           2     B      2       B     301      4                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   MEDIUM POSITIONAL  1    A    (A):   2618 ;  0.51 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):   2618 ;  0.79 ;  2.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. COOT PROGRAM HAS ALSO BEEN USED IN THE REFINEMENT.       
REMARK   4                                                                      
REMARK   4 2PAU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAR-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042174.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-JUN-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97937                            
REMARK 200  MONOCHROMATOR                  : ROSENBAUM-ROCK HIGH-RESOLUTION     
REMARK 200                                   SI(111) DOUBLE-CRYSTAL             
REMARK 200  OPTICS                         : LN2 COOLED FIRST CRYSTAL,          
REMARK 200                                   SAGITAL FOCUSING 2ND CRYSTAL,      
REMARK 200                                   ROSENBAUM-ROCK VERTICAL FOCUSING   
REMARK 200                                   MIRROR, BEAM DEFINING SLITS        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25437                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 4.400                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : 0.06600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.6000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.56300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.56300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: HKL-3000, MOLREP                                      
REMARK 200 STARTING MODEL: PDB ENTRY 1WPH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.52                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NH4 CITRATE, 0.1 % W/V NDSB 256,   
REMARK 280  5 % W/V PEG 3350, PH 5.0, VAPOR DIFFUSION, HANGING DROP,            
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  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       67.79750            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       39.14290            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       18.31200            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       67.79750            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       39.14290            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       18.31200            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       67.79750            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       39.14290            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       18.31200            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       78.28581            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       36.62400            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       78.28581            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       36.62400            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       78.28581            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       36.62400            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6330 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15010 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL                        
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
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     GLY A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     VAL A    82                                                      
REMARK 465     LYS A    83                                                      
REMARK 465     TYR A    84                                                      
REMARK 465     PHE A    85                                                      
REMARK 465     ASN A    86                                                      
REMARK 465     SER A    87                                                      
REMARK 465     GLN A    88                                                      
REMARK 465     HIS A   187                                                      
REMARK 465     LEU A   188                                                      
REMARK 465     SER A   189                                                      
REMARK 465     LEU A   190                                                      
REMARK 465     ASP A   191                                                      
REMARK 465     GLU A   192                                                      
REMARK 465     ILE A   193                                                      
REMARK 465     SER A   194                                                      
REMARK 465     GLN A   195                                                      
REMARK 465     ASP A   196                                                      
REMARK 465     SER A   197                                                      
REMARK 465     PRO A   198                                                      
REMARK 465     LEU A   199                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     VAL B    82                                                      
REMARK 465     LYS B    83                                                      
REMARK 465     TYR B    84                                                      
REMARK 465     PHE B    85                                                      
REMARK 465     ASN B    86                                                      
REMARK 465     SER B    87                                                      
REMARK 465     GLN B    88                                                      
REMARK 465     ILE B    89                                                      
REMARK 465     HIS B   187                                                      
REMARK 465     LEU B   188                                                      
REMARK 465     SER B   189                                                      
REMARK 465     LEU B   190                                                      
REMARK 465     ASP B   191                                                      
REMARK 465     GLU B   192                                                      
REMARK 465     ILE B   193                                                      
REMARK 465     SER B   194                                                      
REMARK 465     GLN B   195                                                      
REMARK 465     ASP B   196                                                      
REMARK 465     SER B   197                                                      
REMARK 465     PRO B   198                                                      
REMARK 465     LEU B   199                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  14    NZ                                                  
REMARK 470     ILE A  89    CG1  CG2  CD1                                       
REMARK 470     GLN A  91    CG   CD   OE1  NE2                                  
REMARK 470     TYR A  93    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 470     LYS A  94    CG   CD   CE   NZ                                   
REMARK 470     ILE A  96    CG1  CG2  CD1                                       
REMARK 470     LYS A  98    CG   CD   CE   NZ                                   
REMARK 470     LYS A 103    CD   CE   NZ                                        
REMARK 470     LYS A 130    CE   NZ                                             
REMARK 470     ARG A 162    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 180    CG   CD   OE1  OE2                                  
REMARK 470     PHE A 186    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     LYS B   2    CG   CD   CE   NZ                                   
REMARK 470     LYS B  14    CE   NZ                                             
REMARK 470     GLN B  91    CG   CD   OE1  NE2                                  
REMARK 470     GLU B  92    CG   CD   OE1  OE2                                  
REMARK 470     TYR B  93    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 470     LYS B  94    CG   CD   CE   NZ                                   
REMARK 470     ILE B  96    CG1  CG2  CD1                                       
REMARK 470     LYS B  98    CD   CE   NZ                                        
REMARK 470     GLN B 102    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 103    CD   CE   NZ                                        
REMARK 470     LYS B 130    CD   CE   NZ                                        
REMARK 470     LEU B 158    CG   CD1  CD2                                       
REMARK 470     LYS B 160    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    ALA A  95   C     ALA A  95   O       0.129                       
REMARK 500    GLU A 174   CB    GLU A 174   CG     -0.172                       
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    SER B  11      -18.81    -48.54                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO A 201  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  33   NE2                                                    
REMARK 620 2 HIS A  68   NE2  93.8                                              
REMARK 620 3 ASP A  69   OD2  85.0  84.1                                        
REMARK 620 4 ASP A 137   OD1  88.8  92.5 172.8                                  
REMARK 620 5 D5M A 301   O1P  97.5 168.5  94.6  90.0                            
REMARK 620 6 HOH A 425   O   167.8  95.0  87.5  99.2  73.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CO B 201  CO                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  33   NE2                                                    
REMARK 620 2 HIS B  68   NE2  99.6                                              
REMARK 620 3 ASP B  69   OD2  86.3  82.1                                        
REMARK 620 4 ASP B 137   OD1  86.6  98.6 172.9                                  
REMARK 620 5 D5M B 301   O1P  93.8 164.0  90.0  91.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D5M A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D5M B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PEG A 401                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2PAQ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF 5'-DEOXYNUCLEOTIDASE YFBR                       
REMARK 900 RELATED ID: 2PAR   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF 5'-DEOXYNUCLEOTIDASE YFBR MUTANT E72A           
REMARK 900 COMPLEXED WITH CO(2+) AND TMP                                        
DBREF  2PAU A    1   199  UNP    P76491   YFBR_ECOLI       1    199             
DBREF  2PAU B    1   199  UNP    P76491   YFBR_ECOLI       1    199             
SEQADV 2PAU GLY A   -1  UNP  P76491              EXPRESSION TAG                 
SEQADV 2PAU HIS A    0  UNP  P76491              EXPRESSION TAG                 
SEQADV 2PAU ALA A   72  UNP  P76491    GLU    72 ENGINEERED MUTATION            
SEQADV 2PAU GLY B   -1  UNP  P76491              EXPRESSION TAG                 
SEQADV 2PAU HIS B    0  UNP  P76491              EXPRESSION TAG                 
SEQADV 2PAU ALA B   72  UNP  P76491    GLU    72 ENGINEERED MUTATION            
SEQRES   1 A  201  GLY HIS MET LYS GLN SER HIS PHE PHE ALA HIS LEU SER          
SEQRES   2 A  201  ARG LEU LYS LEU ILE ASN ARG TRP PRO LEU MET ARG ASN          
SEQRES   3 A  201  VAL ARG THR GLU ASN VAL SER GLU HIS SER LEU GLN VAL          
SEQRES   4 A  201  ALA MET VAL ALA HIS ALA LEU ALA ALA ILE LYS ASN ARG          
SEQRES   5 A  201  LYS PHE GLY GLY ASN VAL ASN ALA GLU ARG ILE ALA LEU          
SEQRES   6 A  201  LEU ALA MET TYR HIS ASP ALA SER ALA VAL LEU THR GLY          
SEQRES   7 A  201  ASP LEU PRO THR PRO VAL LYS TYR PHE ASN SER GLN ILE          
SEQRES   8 A  201  ALA GLN GLU TYR LYS ALA ILE GLU LYS ILE ALA GLN GLN          
SEQRES   9 A  201  LYS LEU VAL ASP MET VAL PRO GLU GLU LEU ARG ASP ILE          
SEQRES  10 A  201  PHE ALA PRO LEU ILE ASP GLU HIS ALA TYR SER ASP GLU          
SEQRES  11 A  201  GLU LYS SER LEU VAL LYS GLN ALA ASP ALA LEU CYS ALA          
SEQRES  12 A  201  TYR LEU LYS CYS LEU GLU GLU LEU ALA ALA GLY ASN ASN          
SEQRES  13 A  201  GLU PHE LEU LEU ALA LYS THR ARG LEU GLU ALA THR LEU          
SEQRES  14 A  201  GLU ALA ARG ARG SER GLN GLU MET ASP TYR PHE MET GLU          
SEQRES  15 A  201  ILE PHE VAL PRO SER PHE HIS LEU SER LEU ASP GLU ILE          
SEQRES  16 A  201  SER GLN ASP SER PRO LEU                                      
SEQRES   1 B  201  GLY HIS MET LYS GLN SER HIS PHE PHE ALA HIS LEU SER          
SEQRES   2 B  201  ARG LEU LYS LEU ILE ASN ARG TRP PRO LEU MET ARG ASN          
SEQRES   3 B  201  VAL ARG THR GLU ASN VAL SER GLU HIS SER LEU GLN VAL          
SEQRES   4 B  201  ALA MET VAL ALA HIS ALA LEU ALA ALA ILE LYS ASN ARG          
SEQRES   5 B  201  LYS PHE GLY GLY ASN VAL ASN ALA GLU ARG ILE ALA LEU          
SEQRES   6 B  201  LEU ALA MET TYR HIS ASP ALA SER ALA VAL LEU THR GLY          
SEQRES   7 B  201  ASP LEU PRO THR PRO VAL LYS TYR PHE ASN SER GLN ILE          
SEQRES   8 B  201  ALA GLN GLU TYR LYS ALA ILE GLU LYS ILE ALA GLN GLN          
SEQRES   9 B  201  LYS LEU VAL ASP MET VAL PRO GLU GLU LEU ARG ASP ILE          
SEQRES  10 B  201  PHE ALA PRO LEU ILE ASP GLU HIS ALA TYR SER ASP GLU          
SEQRES  11 B  201  GLU LYS SER LEU VAL LYS GLN ALA ASP ALA LEU CYS ALA          
SEQRES  12 B  201  TYR LEU LYS CYS LEU GLU GLU LEU ALA ALA GLY ASN ASN          
SEQRES  13 B  201  GLU PHE LEU LEU ALA LYS THR ARG LEU GLU ALA THR LEU          
SEQRES  14 B  201  GLU ALA ARG ARG SER GLN GLU MET ASP TYR PHE MET GLU          
SEQRES  15 B  201  ILE PHE VAL PRO SER PHE HIS LEU SER LEU ASP GLU ILE          
SEQRES  16 B  201  SER GLN ASP SER PRO LEU                                      
HET     CO  A 201       1                                                       
HET    D5M  A 301      22                                                       
HET    PEG  A 401       7                                                       
HET     CO  B 201       1                                                       
HET    D5M  B 301      22                                                       
HETNAM      CO COBALT (II) ION                                                  
HETNAM     D5M 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE                               
HETNAM     PEG DI(HYDROXYETHYL)ETHER                                            
FORMUL   3   CO    2(CO 2+)                                                     
FORMUL   4  D5M    2(C10 H14 N5 O6 P)                                           
FORMUL   5  PEG    C4 H10 O3                                                    
FORMUL   8  HOH   *53(H2 O)                                                     
HELIX    1   1 HIS A    5  SER A   11  1                                   7    
HELIX    2   2 ARG A   12  ILE A   16  5                                   5    
HELIX    3   3 ASN A   29  PHE A   52  1                                  24    
HELIX    4   4 ASN A   57  HIS A   68  1                                  12    
HELIX    5   5 SER A   71  GLY A   76  1                                   6    
HELIX    6   6 ILE A   89  ASP A  106  1                                  18    
HELIX    7   7 MET A  107  VAL A  108  5                                   2    
HELIX    8   8 PRO A  109  GLU A  111  5                                   3    
HELIX    9   9 LEU A  112  GLU A  122  1                                  11    
HELIX   10  10 SER A  126  ALA A  151  1                                  26    
HELIX   11  11 GLY A  152  GLU A  155  5                                   4    
HELIX   12  12 PHE A  156  ARG A  170  1                                  15    
HELIX   13  13 SER A  172  PHE A  182  1                                  11    
HELIX   14  14 HIS B    5  SER B   11  1                                   7    
HELIX   15  15 ARG B   12  ILE B   16  5                                   5    
HELIX   16  16 ASN B   29  GLY B   53  1                                  25    
HELIX   17  17 ASN B   57  HIS B   68  1                                  12    
HELIX   18  18 SER B   71  GLY B   76  1                                   6    
HELIX   19  19 ALA B   90  VAL B  108  1                                  19    
HELIX   20  20 PRO B  109  GLU B  111  5                                   3    
HELIX   21  21 LEU B  112  ASP B  121  1                                  10    
HELIX   22  22 GLU B  122  TYR B  125  5                                   4    
HELIX   23  23 SER B  126  ALA B  151  1                                  26    
HELIX   24  24 GLY B  152  GLU B  155  5                                   4    
HELIX   25  25 PHE B  156  ARG B  170  1                                  15    
HELIX   26  26 SER B  172  VAL B  183  1                                  12    
LINK         NE2 HIS A  33                CO    CO A 201     1555   1555  2.03  
LINK         NE2 HIS A  68                CO    CO A 201     1555   1555  2.12  
LINK         OD2 ASP A  69                CO    CO A 201     1555   1555  2.33  
LINK         OD1 ASP A 137                CO    CO A 201     1555   1555  2.16  
LINK        CO    CO A 201                 O1P D5M A 301     1555   1555  2.28  
LINK        CO    CO A 201                 O   HOH A 425     1555   1555  2.24  
LINK         NE2 HIS B  33                CO    CO B 201     1555   1555  2.03  
LINK         NE2 HIS B  68                CO    CO B 201     1555   1555  2.13  
LINK         OD2 ASP B  69                CO    CO B 201     1555   1555  2.25  
LINK         OD1 ASP B 137                CO    CO B 201     1555   1555  2.26  
LINK        CO    CO B 201                 O1P D5M B 301     1555   1555  2.36  
SITE     1 AC1  5 HIS A  33  HIS A  68  ASP A  69  ASP A 137                    
SITE     2 AC1  5 HOH A 425                                                     
SITE     1 AC2  4 HIS B  33  HIS B  68  ASP B  69  ASP B 137                    
SITE     1 AC3  9 ARG A  18  TRP A  19  HIS A  33  ASP A  69                    
SITE     2 AC3  9 ASP A  77  PRO A  79  THR A  80  ASP A 137                    
SITE     3 AC3  9 HOH A 425                                                     
SITE     1 AC4 10 ARG B  18  TRP B  19  HIS B  33  ASP B  69                    
SITE     2 AC4 10 ASP B  77  LEU B  78  PRO B  79  THR B  80                    
SITE     3 AC4 10 PRO B  81  ASP B 137                                          
SITE     1 AC5  4 GLU A 122  TYR A 125  LYS A 134  ASP A 137                    
CRYST1  135.595  135.595   54.936  90.00  90.00 120.00 H 3          18          
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      0.007380  0.004260  0.000000        0.00000                         
SCALE2      0.000000  0.008520  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018200        0.00000