PDB Short entry for 1XC8
HEADER    HYDROLASE/DNA                           01-SEP-04   1XC8              
TITLE     CRYSTAL STRUCTURE COMPLEX BETWEEN THE WILD-TYPE LACTOCOCCUS LACTIS FPG
TITLE    2 (MUTM) AND A FAPY-DG CONTAINING DNA                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*CP*TP*CP*TP*TP*TP*(FOX)P*TP*TP*TP*CP*TP*CP*G)-3';    
COMPND   3 CHAIN: B;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-D(*GP*CP*GP*AP*GP*AP*AP*AP*CP*AP*AP*AP*GP*A)-3';        
COMPND   7 CHAIN: C;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: FORMAMIDOPYRIMIDINE-DNA GLYCOSYLASE;                       
COMPND  11 CHAIN: A;                                                            
COMPND  12 SYNONYM: FAPY-DNA GLYCOSYLASE;                                       
COMPND  13 EC: 3.2.2.23;                                                        
COMPND  14 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: LACTOCOCCUS LACTIS SUBSP. CREMORIS;             
SOURCE   7 ORGANISM_TAXID: 1359;                                                
SOURCE   8 STRAIN: SUBSP. CREMORIS;                                             
SOURCE   9 VARIANT: SUBSP. CREMORIS;                                            
SOURCE  10 GENE: MUTM, FPG;                                                     
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  13 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  14 EXPRESSION_SYSTEM_PLASMID: PMAL-C                                    
KEYWDS    PROTEIN-DNA COMPLEX; GLYCOSYLASE; FAPY, HYDROLASE-DNA COMPLEX         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.COSTE,M.OBER,T.CARELL,S.BOITEUX,C.ZELWER,B.CASTAING                 
REVDAT   3   13-JUL-11 1XC8    1       VERSN                                    
REVDAT   2   24-FEB-09 1XC8    1       VERSN                                    
REVDAT   1   06-SEP-05 1XC8    0                                                
JRNL        AUTH   F.COSTE,M.OBER,T.CARELL,S.BOITEUX,C.ZELWER,B.CASTAING        
JRNL        TITL   STRUCTURAL BASIS FOR THE RECOGNITION OF THE FAPYDG LESION    
JRNL        TITL 2 (2,6-DIAMINO-4-HYDROXY-5-FORMAMIDOPYRIMIDINE) BY             
JRNL        TITL 3 FORMAMIDOPYRIMIDINE-DNA GLYCOSYLASE.                         
JRNL        REF    J.BIOL.CHEM.                  V. 279 44074 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15249553                                                     
JRNL        DOI    10.1074/JBC.M405928200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2                                           
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 17.25                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 39561                          
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) : 0.178                           
REMARK   3   R VALUE            (WORKING SET) : 0.176                           
REMARK   3   FREE R VALUE                     : 0.209                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2089                            
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) : 1.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.00                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2920                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.25                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2130                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 148                          
REMARK   3   BIN FREE R VALUE                    : 0.2330                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2128                                    
REMARK   3   NUCLEIC ACID ATOMS       : 569                                     
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 397                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.41                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.33000                                              
REMARK   3    B22 (A**2) : 0.33000                                              
REMARK   3    B33 (A**2) : -0.67000                                             
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): 0.122         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.120         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.073         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.496         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.963                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.950                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2808 ; 0.020 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3900 ; 1.776 ; 2.239       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   270 ; 5.971 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    86 ;35.416 ;23.953       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   413 ;11.965 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;17.948 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   442 ; 0.119 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1852 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1173 ; 0.211 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1844 ; 0.303 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   306 ; 0.161 ; 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):    28 ; 0.133 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    16 ; 0.207 ; 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):  1420 ; 1.223 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2168 ; 1.745 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1776 ; 2.727 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1732 ; 3.962 ; 4.500       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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 1XC8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-SEP-04.                  
REMARK 100 THE RCSB ID CODE IS RCSB030194.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUL-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM30A                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92004                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL MONOCHROMATOR       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XNEMO                              
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41650                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 17.247                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.06                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.80                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.28400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
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 1TDZ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.52                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, SODIUM CITRATE, PH 7.0, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 303K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       71.43350            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       46.25650            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       46.25650            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       35.71675            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       46.25650            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       46.25650            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      107.15025            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       46.25650            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       46.25650            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       35.71675            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       46.25650            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       46.25650            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      107.15025            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       71.43350            
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, A                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 A5294  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A5216  LIES ON A SPECIAL POSITION.                          
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  15    CD   CE   NZ                                        
REMARK 470     ARG A  31    CZ   NH1  NH2                                       
REMARK 470     LYS A  42    CD   CE   NZ                                        
REMARK 470     ASP A  65    CG   OD1  OD2                                       
REMARK 470     ASP A  66    CG   OD1  OD2                                       
REMARK 470     LYS A  78    CD   CE   NZ                                        
REMARK 470     ARG A  88    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP A 100    CG   OD1  OD2                                       
REMARK 470     GLN A 121    CD   OE1  NE2                                       
REMARK 470     LYS A 130    CE   NZ                                             
REMARK 470     GLU A 138    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 150    CD   NE   CZ   NH1  NH2                             
REMARK 470     LYS A 187    NZ                                                  
REMARK 470     GLN A 191    CD   OE1  NE2                                       
REMARK 470     LYS A 213    CG   CD   CE   NZ                                   
REMARK 470     ARG A 220    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 230    CE   NZ                                             
REMARK 470     LYS A 271    CE   NZ                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OP2   DA C    22     O    HOH C   372              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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     DT B   8   C5     DT B   8   C7      0.039                       
REMARK 500    CYS A 265   CB    CYS A 265   SG      0.108                       
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     DT B   2   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DT B   6   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500     DT B   6   C4  -  C5  -  C7  ANGL. DEV. =   4.3 DEGREES          
REMARK 500     DT B   8   O4' -  C1' -  N1  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500     DT B  12   C5  -  C4  -  O4  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DC B  13   O4' -  C1' -  C2' ANGL. DEV. =  -5.2 DEGREES          
REMARK 500     DC B  13   O4' -  C1' -  N1  ANGL. DEV. =  -4.7 DEGREES          
REMARK 500     DG C  15   O4' -  C1' -  N9  ANGL. DEV. =   3.9 DEGREES          
REMARK 500     DG C  17   O5' -  C5' -  C4' ANGL. DEV. =  -6.0 DEGREES          
REMARK 500     DA C  18   O4' -  C1' -  N9  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500     DA C  20   O4' -  C1' -  N9  ANGL. DEV. =   4.6 DEGREES          
REMARK 500     DC C  23   O5' -  P   -  OP2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500     DC C  23   O4' -  C4' -  C3' ANGL. DEV. =  -2.4 DEGREES          
REMARK 500     DC C  23   C1' -  O4' -  C4' ANGL. DEV. =  -6.4 DEGREES          
REMARK 500     DG C  27   O4' -  C1' -  N9  ANGL. DEV. =   4.2 DEGREES          
REMARK 500     DA C  28   O4' -  C1' -  N9  ANGL. DEV. =   4.5 DEGREES          
REMARK 500    LEU A  40   CA  -  CB  -  CG  ANGL. DEV. =  18.4 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    ARG A  74     -124.15     45.58                                   
REMARK 500    VAL A 166      143.03   -170.83                                   
REMARK 500    ARG A 220      -42.44   -133.14                                   
REMARK 500    VAL A 237      -37.90   -134.30                                   
REMARK 500    GLN A 269       76.27   -118.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A5154        DISTANCE =  5.24 ANGSTROMS                       
REMARK 525    HOH A5190        DISTANCE =  5.05 ANGSTROMS                       
REMARK 525    HOH A5268        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH A5309        DISTANCE =  5.14 ANGSTROMS                       
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                              ZN A5001  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 268   SG                                                     
REMARK 620 2 CYS A 248   SG  115.5                                              
REMARK 620 3 CYS A 265   SG  112.7  95.8                                        
REMARK 620 4 CYS A 245   SG  107.0 113.1 112.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 5001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 1001                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TDZ   RELATED DB: PDB                                   
REMARK 900 MUTANT ENZYME                                                        
DBREF  1XC8 A    1   271  UNP    P42371   FPG_LACLC        2    273             
DBREF  1XC8 B    1    14  PDB    1XC8     1XC8             1     14             
DBREF  1XC8 C   15    28  PDB    1XC8     1XC8            15     28             
SEQADV 1XC8     A       UNP  P42371    ASP   139 DELETION                       
SEQRES   1 B   14   DC  DT  DC  DT  DT  DT FOX  DT  DT  DT  DC  DT  DC          
SEQRES   2 B   14   DG                                                          
SEQRES   1 C   14   DG  DC  DG  DA  DG  DA  DA  DA  DC  DA  DA  DA  DG          
SEQRES   2 C   14   DA                                                          
SEQRES   1 A  271  PRO GLU LEU PRO GLU VAL GLU THR VAL ARG ARG GLU LEU          
SEQRES   2 A  271  GLU LYS ARG ILE VAL GLY GLN LYS ILE ILE SER ILE GLU          
SEQRES   3 A  271  ALA THR TYR PRO ARG MET VAL LEU THR GLY PHE GLU GLN          
SEQRES   4 A  271  LEU LYS LYS GLU LEU THR GLY LYS THR ILE GLN GLY ILE          
SEQRES   5 A  271  SER ARG ARG GLY LYS TYR LEU ILE PHE GLU ILE GLY ASP          
SEQRES   6 A  271  ASP PHE ARG LEU ILE SER HIS LEU ARG MET GLU GLY LYS          
SEQRES   7 A  271  TYR ARG LEU ALA THR LEU ASP ALA PRO ARG GLU LYS HIS          
SEQRES   8 A  271  ASP HIS LEU THR MET LYS PHE ALA ASP GLY GLN LEU ILE          
SEQRES   9 A  271  TYR ALA ASP VAL ARG LYS PHE GLY THR TRP GLU LEU ILE          
SEQRES  10 A  271  SER THR ASP GLN VAL LEU PRO TYR PHE LEU LYS LYS LYS          
SEQRES  11 A  271  ILE GLY PRO GLU PRO THR TYR GLU ASP PHE ASP GLU LYS          
SEQRES  12 A  271  LEU PHE ARG GLU LYS LEU ARG LYS SER THR LYS LYS ILE          
SEQRES  13 A  271  LYS PRO TYR LEU LEU GLU GLN THR LEU VAL ALA GLY LEU          
SEQRES  14 A  271  GLY ASN ILE TYR VAL ASP GLU VAL LEU TRP LEU ALA LYS          
SEQRES  15 A  271  ILE HIS PRO GLU LYS GLU THR ASN GLN LEU ILE GLU SER          
SEQRES  16 A  271  SER ILE HIS LEU LEU HIS ASP SER ILE ILE GLU ILE LEU          
SEQRES  17 A  271  GLN LYS ALA ILE LYS LEU GLY GLY SER SER ILE ARG THR          
SEQRES  18 A  271  TYR SER ALA LEU GLY SER THR GLY LYS MET GLN ASN GLU          
SEQRES  19 A  271  LEU GLN VAL TYR GLY LYS THR GLY GLU LYS CYS SER ARG          
SEQRES  20 A  271  CYS GLY ALA GLU ILE GLN LYS ILE LYS VAL ALA GLY ARG          
SEQRES  21 A  271  GLY THR HIS PHE CYS PRO VAL CYS GLN GLN LYS                  
MODRES 1XC8 FOX B    7   DG                                                     
HET    FOX  B   7      23                                                       
HET     ZN  A5001       1                                                       
HET    GOL  A1001       6                                                       
HETNAM     FOX ((1R,2S,4R)-4-{[2-AMINO-5-(FORMYLAMINO)-6-OXO-3,6-               
HETNAM   2 FOX  DIHYDROPYRIMIDIN-4-YL]AMINO}-2-HYDROXYCYCLOPENTYL)              
HETNAM   3 FOX  METHYL 5'-PHOSPHATE                                             
HETNAM      ZN ZINC ION                                                         
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  FOX    C11 H18 N5 O7 P                                              
FORMUL   4   ZN    ZN 2+                                                        
FORMUL   5  GOL    C3 H8 O3                                                     
FORMUL   6  HOH   *397(H2 O)                                                    
HELIX    1   1 GLU A    2  VAL A   18  1                                  17    
HELIX    2   2 TYR A   29  VAL A   33  5                                   5    
HELIX    3   3 GLY A   36  THR A   45  1                                  10    
HELIX    4   4 GLN A  121  LYS A  130  1                                  10    
HELIX    5   5 ASP A  141  LYS A  151  1                                  11    
HELIX    6   6 LYS A  155  GLU A  162  1                                   8    
HELIX    7   7 GLY A  170  ALA A  181  1                                  12    
HELIX    8   8 GLU A  188  LEU A  192  5                                   5    
HELIX    9   9 ILE A  193  LEU A  214  1                                  22    
HELIX   10  10 LYS A  230  LEU A  235  5                                   6    
SHEET    1   A 4 SER A  24  ALA A  27  0                                        
SHEET    2   A 4 ASP A  92  LYS A  97 -1  O  LYS A  97   N  SER A  24           
SHEET    3   A 4 GLN A 102  ALA A 106 -1  O  TYR A 105   N  HIS A  93           
SHEET    4   A 4 LYS A  78  ALA A  82 -1  N  ALA A  82   O  GLN A 102           
SHEET    1   B 4 ILE A  49  ARG A  55  0                                        
SHEET    2   B 4 TYR A  58  ILE A  63 -1  O  ILE A  60   N  SER A  53           
SHEET    3   B 4 PHE A  67  HIS A  72 -1  O  SER A  71   N  LEU A  59           
SHEET    4   B 4 THR A 113  SER A 118 -1  O  GLU A 115   N  ILE A  70           
SHEET    1   C 2 GLN A 253  VAL A 257  0                                        
SHEET    2   C 2 ARG A 260  PHE A 264 -1  O  PHE A 264   N  GLN A 253           
LINK        ZN    ZN A5001                 SG  CYS A 268     1555   1555  2.41  
LINK        ZN    ZN A5001                 SG  CYS A 248     1555   1555  2.44  
LINK        ZN    ZN A5001                 SG  CYS A 265     1555   1555  1.96  
LINK        ZN    ZN A5001                 SG  CYS A 245     1555   1555  2.42  
LINK         O3'  DT B   6                 P   FOX B   7     1555   1555  1.60  
LINK         O3' FOX B   7                 P    DT B   8     1555   1555  1.57  
SITE     1 AC1  4 CYS A 245  CYS A 248  CYS A 265  CYS A 268                    
SITE     1 AC2 10 TYR A  58  HIS A  72  ARG A  74  THR A 113                    
SITE     2 AC2 10 GLU A 115  TYR A 125  LYS A 129  HOH A5055                    
SITE     3 AC2 10  DT B   9   DT B  10                                          
CRYST1   92.513   92.513  142.867  90.00  90.00  90.00 P 41 21 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      0.010809  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010809  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007000        0.00000