HEADER HYDROLASE/DNA 30-SEP-03 1R2Z TITLE MUTM (FPG) BOUND TO 5,6-DIHYDROURACIL (DHU) CONTAINING DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*AP*GP*GP*TP*AP*GP*AP*CP*CP*TP*GP*GP*AP*CP*GP*C)-3'; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-D(*TP*GP*CP*GP*TP*CP*CP*AP*(DHU)P*GP*TP*CP*TP*AP*CP*C)- COMPND 7 3'; COMPND 8 CHAIN: C; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: MUTM; COMPND 12 CHAIN: A; COMPND 13 SYNONYM: FPG; COMPND 14 ENGINEERED: YES; COMPND 15 MUTATION: 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: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 7 ORGANISM_TAXID: 1422; SOURCE 8 GENE: MUTM; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET24B KEYWDS DNA REPAIR, DNA GLYCOSYLASE, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.C.FROMME,G.L.VERDINE REVDAT 5 23-AUG-23 1R2Z 1 REMARK LINK REVDAT 4 24-FEB-09 1R2Z 1 VERSN REVDAT 3 06-JAN-04 1R2Z 1 JRNL REVDAT 2 21-OCT-03 1R2Z 1 MODRES REVDAT 1 14-OCT-03 1R2Z 0 JRNL AUTH J.C.FROMME,G.L.VERDINE JRNL TITL DNA LESION RECOGNITION BY THE BACTERIAL REPAIR ENZYME MUTM. JRNL REF J.BIOL.CHEM. V. 278 51543 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 14525999 JRNL DOI 10.1074/JBC.M307768200 REMARK 2 REMARK 2 RESOLUTION. 1.63 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.63 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 314184.800 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 52398 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) : 0.208 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2656 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.63 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.69 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4149 REMARK 3 BIN R VALUE (WORKING SET) : 0.2470 REMARK 3 BIN FREE R VALUE : 0.2490 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 239 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2106 REMARK 3 NUCLEIC ACID ATOMS : 483 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 318 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.54000 REMARK 3 B22 (A**2) : -1.54000 REMARK 3 B33 (A**2) : -2.01000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.09 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.09 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.880 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) : 1.140 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.770 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.470 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.370 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 49.73 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 : ION.PARAM REMARK 3 PARAMETER FILE 4 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 5 : DHU.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 : DHU.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1R2Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-03. REMARK 100 THE DEPOSITION ID IS D_1000020372. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUN-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53944 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.630 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 (%) : 98.9 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.63 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : 0.35700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1L1T REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MAGNESIUM ACETATE, SODIUM REMARK 280 CACODYLATE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 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 22.29550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 51.09000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.11300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 51.09000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.29550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.11300 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: 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 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 MET A 1 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 GLU A 88 CD OE1 OE2 REMARK 470 GLU A 133 CG CD OE1 OE2 REMARK 470 GLU A 150 CG CD OE1 OE2 REMARK 470 LYS A 154 CD CE NZ REMARK 470 LYS A 156 CD CE NZ REMARK 470 SER A 197 OG REMARK 470 LYS A 198 CD CE NZ REMARK 470 GLU A 201 CG CD OE1 OE2 REMARK 470 GLU A 205 CD OE1 OE2 REMARK 470 LYS A 217 CD CE NZ REMARK 470 ARG A 223 CD NE CZ NH1 NH2 REMARK 470 THR A 224 CB OG1 CG2 REMARK 470 ARG A 251 CD NE CZ NH1 NH2 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 LEU A 66 -137.74 -104.75 REMARK 500 ARG A 76 -120.84 51.79 REMARK 500 ASP A 110 94.22 -161.14 REMARK 500 VAL A 153 36.67 -75.08 REMARK 500 LYS A 154 -9.65 -141.27 REMARK 500 ARG A 223 -68.06 -130.51 REMARK 500 THR A 224 -1.99 -149.68 REMARK 500 VAL A 241 -34.55 -135.22 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 320 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 249 SG REMARK 620 2 CYS A 252 SG 109.9 REMARK 620 3 CYS A 269 SG 111.0 98.0 REMARK 620 4 CYS A 272 SG 109.1 112.0 116.5 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 320 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1L1T RELATED DB: PDB REMARK 900 MUTM (FPG) BOUND TO ABASIC-SITE CONTAINING DNA REMARK 900 RELATED ID: 1L1Z RELATED DB: PDB REMARK 900 MUTM (FPG) COVALENT-DNA INTERMEDIATE REMARK 900 RELATED ID: 1L2B RELATED DB: PDB REMARK 900 MUTM (FPG) DNA END-PRODUCT STRUCTURE REMARK 900 RELATED ID: 1L2C RELATED DB: PDB REMARK 900 MUTM (FPG)-DNA ESTRANGED THYMINE MISMATCH RECOGNITION COMPLEX REMARK 900 RELATED ID: 1L2D RELATED DB: PDB REMARK 900 MUTM (FPG)-DNA ESTRANGED GUANINE MISMATCH RECOGNITION COMPLEX REMARK 900 RELATED ID: 1R2Y RELATED DB: PDB REMARK 900 MUTM (FPG) BOUND TO 8-OXOGUANINE (OXOG) CONTAINING DNA REMARK 999 REMARK 999 SEQUENCE THE SEQUENCE OF THIS PROTEIN IS NOT AVAILABLE IN ANY REMARK 999 REFERENCE SEQUENCE DATABASE. DBREF 1R2Z A 1 274 UNP P84131 P84131_BACST 1 274 DBREF 1R2Z B 1 12 PDB 1R2Z 1R2Z 1 12 DBREF 1R2Z C 13 24 PDB 1R2Z 1R2Z 13 24 SEQRES 1 B 12 DG DT DA DG DA DC DC DT DG DG DA DC SEQRES 1 C 12 DG DT DC DC DA UMP DG DT DC DT DA DC SEQRES 1 A 274 MET PRO GLN LEU PRO GLU VAL GLU THR ILE ARG ARG THR SEQRES 2 A 274 LEU LEU PRO LEU ILE VAL GLY LYS THR ILE GLU ASP VAL SEQRES 3 A 274 ARG ILE PHE TRP PRO ASN ILE ILE ARG HIS PRO ARG ASP SEQRES 4 A 274 SER GLU ALA PHE ALA ALA ARG MET ILE GLY GLN THR VAL SEQRES 5 A 274 ARG GLY LEU GLU ARG ARG GLY LYS PHE LEU LYS PHE LEU SEQRES 6 A 274 LEU ASP ARG ASP ALA LEU ILE SER HIS LEU ARG MET GLU SEQRES 7 A 274 GLY ARG TYR ALA VAL ALA SER ALA LEU GLU PRO LEU GLU SEQRES 8 A 274 PRO HIS THR HIS VAL VAL PHE CYS PHE THR ASP GLY SER SEQRES 9 A 274 GLU LEU ARG TYR ARG ASP VAL ARG LYS PHE GLY THR MET SEQRES 10 A 274 HIS VAL TYR ALA LYS GLU GLU ALA ASP ARG ARG PRO PRO SEQRES 11 A 274 LEU ALA GLU LEU GLY PRO GLU PRO LEU SER PRO ALA PHE SEQRES 12 A 274 SER PRO ALA VAL LEU ALA GLU ARG ALA VAL LYS THR LYS SEQRES 13 A 274 ARG SER VAL LYS ALA LEU LEU LEU ASP GLN THR VAL VAL SEQRES 14 A 274 ALA GLY PHE GLY ASN ILE TYR VAL ASP GLU SER LEU PHE SEQRES 15 A 274 ARG ALA GLY ILE LEU PRO GLY ARG PRO ALA ALA SER LEU SEQRES 16 A 274 SER SER LYS GLU ILE GLU ARG LEU HIS GLU GLU MET VAL SEQRES 17 A 274 ALA THR ILE GLY GLU ALA VAL MET LYS GLY GLY SER THR SEQRES 18 A 274 VAL ARG THR TYR VAL ASN THR GLN GLY GLU ALA GLY THR SEQRES 19 A 274 PHE GLN HIS HIS LEU TYR VAL TYR GLY ARG GLN GLY ASN SEQRES 20 A 274 PRO CYS LYS ARG CYS GLY THR PRO ILE GLU LYS THR VAL SEQRES 21 A 274 VAL ALA GLY ARG GLY THR HIS TYR CYS PRO ARG CYS GLN SEQRES 22 A 274 ARG MODRES 1R2Z UMP C 18 U 2'-DEOXYURIDINE 5'-MONOPHOSPHATE HET UMP C 18 19 HET ZN A 320 1 HETNAM UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE HETNAM ZN ZINC ION HETSYN UMP DUMP FORMUL 2 UMP C9 H13 N2 O8 P FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *318(H2 O) HELIX 1 1 GLN A 3 VAL A 19 1 17 HELIX 2 2 TRP A 30 ASN A 32 5 3 HELIX 3 3 ASP A 39 ILE A 48 1 10 HELIX 4 4 LYS A 122 ASP A 126 1 5 HELIX 5 5 SER A 144 VAL A 153 1 10 HELIX 6 6 SER A 158 ASP A 165 1 8 HELIX 7 7 GLY A 173 GLY A 185 1 13 HELIX 8 8 PRO A 191 LEU A 195 5 5 HELIX 9 9 SER A 196 LYS A 217 1 22 HELIX 10 10 THR A 234 LEU A 239 5 6 SHEET 1 A 4 ILE A 23 ILE A 28 0 SHEET 2 A 4 THR A 94 PHE A 100 -1 O VAL A 97 N ARG A 27 SHEET 3 A 4 SER A 104 ARG A 109 -1 O TYR A 108 N VAL A 96 SHEET 4 A 4 ARG A 80 SER A 85 -1 N ALA A 82 O ARG A 107 SHEET 1 B 5 ILE A 34 HIS A 36 0 SHEET 2 B 5 THR A 116 ALA A 121 1 O VAL A 119 N HIS A 36 SHEET 3 B 5 ASP A 69 HIS A 74 -1 N ILE A 72 O HIS A 118 SHEET 4 B 5 PHE A 61 LEU A 65 -1 N PHE A 64 O LEU A 71 SHEET 5 B 5 GLY A 54 ARG A 58 -1 N GLU A 56 O LYS A 63 SHEET 1 C 2 GLU A 257 VAL A 261 0 SHEET 2 C 2 ARG A 264 TYR A 268 -1 O THR A 266 N THR A 259 LINK O3' DA C 17 P UMP C 18 1555 1555 1.59 LINK O3' UMP C 18 P DG C 19 1555 1555 1.58 LINK SG CYS A 249 ZN ZN A 320 1555 1555 2.37 LINK SG CYS A 252 ZN ZN A 320 1555 1555 2.33 LINK SG CYS A 269 ZN ZN A 320 1555 1555 2.37 LINK SG CYS A 272 ZN ZN A 320 1555 1555 2.33 CISPEP 1 HIS A 36 PRO A 37 0 -0.74 CISPEP 2 PRO A 129 PRO A 130 0 0.24 SITE 1 AC1 4 CYS A 249 CYS A 252 CYS A 269 CYS A 272 CRYST1 44.591 94.226 102.180 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 0.022426 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010613 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009787 0.00000