HEADER    METAL BINDING PROTEIN/DNA               05-AUG-04   1U8B              
TITLE     CRYSTAL STRUCTURE OF THE METHYLATED N-ADA/DNA COMPLEX                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*TP*AP*AP*AP*TP*T)-3';                                
COMPND   3 CHAIN: B;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-D(P*AP*AP*TP*TP*T)-3';                                  
COMPND   7 CHAIN: C;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: 5'-D(P*AP*AP*AP*GP*CP*GP*CP*AP*AP*GP*AP*T)-3';             
COMPND  11 CHAIN: D;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 4;                                                           
COMPND  14 MOLECULE: 5'-D(*AP*AP*TP*CP*TP*TP*GP*CP*GP*CP*TP*TP*T)-3';           
COMPND  15 CHAIN: E;                                                            
COMPND  16 ENGINEERED: YES;                                                     
COMPND  17 MOL_ID: 5;                                                           
COMPND  18 MOLECULE: ADA POLYPROTEIN;                                           
COMPND  19 CHAIN: A;                                                            
COMPND  20 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 SYNTHETIC: YES;                                                      
SOURCE   7 MOL_ID: 4;                                                           
SOURCE   8 SYNTHETIC: YES;                                                      
SOURCE   9 MOL_ID: 5;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE  11 ORGANISM_TAXID: 562;                                                 
SOURCE  12 GENE: ADA;                                                           
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE  15 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  17 EXPRESSION_SYSTEM_PLASMID: PET30A                                    
KEYWDS    PROTEIN-DNA COMPLEX, METHYLATION, ZINC, HELIX-TURN-HELIX, METAL       
KEYWDS   2 BINDING PROTEIN-DNA COMPLEX                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.HE,J.-C.HUS,L.J.SUN,P.ZHOU,D.P.G.NORMAN,V.DOTSCH,J.D.GROSS,         
AUTHOR   2 W.S.LANE,G.WAGNER,G.L.VERDINE                                        
REVDAT   3   06-NOV-24 1U8B    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1U8B    1       VERSN                                    
REVDAT   1   11-OCT-05 1U8B    0                                                
JRNL        AUTH   C.HE,J.C.HUS,L.J.SUN,P.ZHOU,D.P.NORMAN,V.DOTSCH,H.WEI,       
JRNL        AUTH 2 J.D.GROSS,W.S.LANE,G.WAGNER,G.L.VERDINE                      
JRNL        TITL   A METHYLATION-DEPENDENT ELECTROSTATIC SWITCH CONTROLS DNA    
JRNL        TITL 2 REPAIR AND TRANSCRIPTIONAL ACTIVATION BY E. COLI ADA.        
JRNL        REF    MOL.CELL                      V.  20   117 2005              
JRNL        REFN                   ISSN 1097-2765                               
JRNL        PMID   16209950                                                     
JRNL        DOI    10.1016/J.MOLCEL.2005.08.013                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.40                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 71.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 21153                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.274                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 999                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.009                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.18                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 33.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1585                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2828                       
REMARK   3   BIN FREE R VALUE                    : 0.3517                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 37                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.036                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1020                                    
REMARK   3   NUCLEIC ACID ATOMS       : 699                                     
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 91                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 34.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 15.32000                                             
REMARK   3    B22 (A**2) : -4.11000                                             
REMARK   3    B33 (A**2) : -11.20000                                            
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 40.02                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : ADA_2.PARAM                                    
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : ADA.TOP                                        
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1U8B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-AUG-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000023371.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-AUG-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 200.0                              
REMARK 200  PH                             : 6.30                               
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) : 0.9793552, 0.9796687, 0.9537308    
REMARK 200  MONOCHROMATOR                  : SI-111 AND SI-220                  
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26737                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.400                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 64.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.47400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM SODIUM CACODYLATE, 100 MM NACL,   
REMARK 280  50 MM MAGNESIUM CHLORIDE, 20% OEG 8000, PH 6.30, VAPOR DIFFUSION,   
REMARK 280  HANGING DROP, TEMPERATURE 298K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       14.42100            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.17850            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       42.29650            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.17850            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       14.42100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       42.29650            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: PENTAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, D, E, 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 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      DT B   200                                                      
REMARK 465      DA E   500                                                      
REMARK 465     ARG A   139                                                      
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   2    CG   CD   CE   NZ                                   
REMARK 470     SER A  59    OG                                                  
REMARK 470     GLN A  73    CG   CD   OE1  NE2                                  
REMARK 470     LYS A  76    CG   CD   CE   NZ                                   
REMARK 470     ALA A  77    CB                                                  
REMARK 470     ASN A  78    CB   CG   OD1  ND2                                  
REMARK 470     ARG A  80    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     ARG A  83    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP A 107    CG   OD1  OD2                                       
REMARK 470     ARG A 138    CG   CD   NE   CZ   NH1  NH2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OP2   DA C   301     O3'   DT E   512     2664     2.13            
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     DA C 301   P      DA C 301   OP3    -0.086                       
REMARK 500     DA D 401   P      DA D 401   OP3    -0.081                       
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 A  59      -62.29    -26.85                                   
REMARK 500    ARG A  80      -75.22    -24.59                                   
REMARK 500    ALA A 110       64.28     60.35                                   
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                              ZN A 150  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SMC A  38   SG                                                     
REMARK 620 2 CYS A  42   SG  108.8                                              
REMARK 620 3 CYS A  69   SG   98.3 116.7                                        
REMARK 620 4 CYS A  72   SG  109.7 106.0 116.8                                  
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 150                  
DBREF  1U8B A    9   139  UNP    P06134   ADA_ECOLI        9    139             
DBREF  1U8B B  200   205  PDB    1U8B     1U8B           200    205             
DBREF  1U8B C  301   305  PDB    1U8B     1U8B           301    305             
DBREF  1U8B D  401   412  PDB    1U8B     1U8B           401    412             
DBREF  1U8B E  500   512  PDB    1U8B     1U8B           500    512             
SEQADV 1U8B MSE A    1  UNP  P06134              CLONING ARTIFACT               
SEQADV 1U8B LYS A    2  UNP  P06134              CLONING ARTIFACT               
SEQADV 1U8B ASP A   75  UNP  P06134    GLU    75 CONFLICT                       
SEQADV 1U8B PRO A   79  UNP  P06134    ALA    79 CONFLICT                       
SEQADV 1U8B ARG A   80  UNP  P06134    GLN    80 CONFLICT                       
SEQRES   1 B    6   DT  DA  DA  DA  DT  DT                                      
SEQRES   1 C    5   DA  DA  DT  DT  DT                                          
SEQRES   1 D   12   DA  DA  DA  DG  DC  DG  DC  DA  DA  DG  DA  DT              
SEQRES   1 E   13   DA  DA  DT  DC  DT  DT  DG  DC  DG  DC  DT  DT  DT          
SEQRES   1 A  133  MSE LYS ASP ASP GLN ARG TRP GLN SER VAL LEU ALA ARG          
SEQRES   2 A  133  ASP PRO ASN ALA ASP GLY GLU PHE VAL PHE ALA VAL ARG          
SEQRES   3 A  133  THR THR GLY ILE PHE SMC ARG PRO SER CYS ARG ALA ARG          
SEQRES   4 A  133  HIS ALA LEU ARG GLU ASN VAL SER PHE TYR ALA ASN ALA          
SEQRES   5 A  133  SER GLU ALA LEU ALA ALA GLY PHE ARG PRO CYS LYS ARG          
SEQRES   6 A  133  CYS GLN PRO ASP LYS ALA ASN PRO ARG GLN HIS ARG LEU          
SEQRES   7 A  133  ASP LYS ILE THR HIS ALA CYS ARG LEU LEU GLU GLN GLU          
SEQRES   8 A  133  THR PRO VAL THR LEU GLU ALA LEU ALA ASP GLN VAL ALA          
SEQRES   9 A  133  MSE SER PRO PHE HIS LEU HIS ARG LEU PHE LYS ALA THR          
SEQRES  10 A  133  THR GLY MSE THR PRO LYS ALA TRP GLN GLN ALA TRP ARG          
SEQRES  11 A  133  ALA ARG ARG                                                  
MODRES 1U8B MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1U8B SMC A   38  CYS  S-METHYLCYSTEINE                                   
MODRES 1U8B MSE A  111  MET  SELENOMETHIONINE                                   
MODRES 1U8B MSE A  126  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    SMC  A  38       7                                                       
HET    MSE  A 111       8                                                       
HET    MSE  A 126       8                                                       
HET     ZN  A 150       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SMC S-METHYLCYSTEINE                                                 
HETNAM      ZN ZINC ION                                                         
FORMUL   5  MSE    3(C5 H11 N O2 SE)                                            
FORMUL   5  SMC    C4 H9 N O2 S                                                 
FORMUL   6   ZN    ZN 2+                                                        
FORMUL   7  HOH   *91(H2 O)                                                     
HELIX    1   1 LYS A    2  ALA A   18  1                                  11    
HELIX    2   2 ASP A   20  ASP A   24  5                                   5    
HELIX    3   3 LEU A   48  GLU A   50  5                                   3    
HELIX    4   4 ASN A   57  ALA A   64  1                                   8    
HELIX    5   5 ASN A   78  LEU A   94  1                                  17    
HELIX    6   6 THR A  101  ALA A  110  1                                  10    
HELIX    7   7 SER A  112  THR A  124  1                                  13    
HELIX    8   8 THR A  127  ARG A  138  1                                  12    
SHEET    1   A 4 VAL A  52  TYR A  55  0                                        
SHEET    2   A 4 VAL A  28  VAL A  31 -1  N  ALA A  30   O  SER A  53           
SHEET    3   A 4 ILE A  36  SMC A  38 -1  O  ILE A  36   N  VAL A  31           
SHEET    4   A 4 ARG A  67  PRO A  68  1  O  ARG A  67   N  PHE A  37           
LINK         C   MSE A   1                 N   LYS A   2     1555   1555  1.33  
LINK         C   PHE A  37                 N   SMC A  38     1555   1555  1.33  
LINK         C   SMC A  38                 N   ARG A  39     1555   1555  1.33  
LINK         C   ALA A 110                 N   MSE A 111     1555   1555  1.33  
LINK         C   MSE A 111                 N   SER A 112     1555   1555  1.33  
LINK         C   GLY A 125                 N   MSE A 126     1555   1555  1.33  
LINK         C   MSE A 126                 N   THR A 127     1555   1555  1.33  
LINK         SG  SMC A  38                ZN    ZN A 150     1555   1555  2.47  
LINK         SG  CYS A  42                ZN    ZN A 150     1555   1555  2.29  
LINK         SG  CYS A  69                ZN    ZN A 150     1555   1555  2.29  
LINK         SG  CYS A  72                ZN    ZN A 150     1555   1555  2.18  
SITE     1 AC1  4 SMC A  38  CYS A  42  CYS A  69  CYS A  72                    
CRYST1   28.842   84.593  108.357  90.00  90.00  90.00 P 21 21 21    4          
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      0.034672  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011821  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009229        0.00000