HEADER HYDROLASE/DNA 16-JUL-12 4G4N TITLE MUTM CONTAINING M77A MUTATION BOUND TO UNDAMAGED DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: FORMAMIDOPYRIMIDINE-DNA GLYCOSYLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FAPY-DNA GLYCOSYLASE, DNA-(APURINIC OR APYRIMIDINIC SITE) COMPND 5 LYASE MUTM; COMPND 6 EC: 3.2.2.23; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: DNA (5'- COMPND 11 D(P*AP*GP*GP*TP*AP*GP*AP*CP*TP*CP*GP*GP*AP*CP*GP*C)-3'); COMPND 12 CHAIN: B; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 3; COMPND 15 MOLECULE: DNA (5'-D(*TP*GP*CP*GP*TP*CP*CP*GP*AP*GP*(TX2) COMPND 16 P*CP*TP*AP*CP*C)-3'); COMPND 17 CHAIN: C; COMPND 18 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 1422; SOURCE 4 GENE: MUTM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 MOL_ID: 3; SOURCE 10 SYNTHETIC: YES KEYWDS DNA GLYCOSYLASE, DNA REPAIR, LESION RECOGNITION, BASE EXTRUSION, KEYWDS 2 DISULFIDE CROSSLINKING, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.J.SUNG,M.ZHANG,Y.QI,G.L.VERDINE REVDAT 4 20-NOV-13 4G4N 1 REMARK REVDAT 3 24-APR-13 4G4N 1 JRNL REVDAT 2 27-FEB-13 4G4N 1 JRNL REVDAT 1 20-FEB-13 4G4N 0 JRNL AUTH R.J.SUNG,M.ZHANG,Y.QI,G.L.VERDINE JRNL TITL STRUCTURAL AND BIOCHEMICAL ANALYSIS OF DNA HELIX INVASION BY JRNL TITL 2 THE BACTERIAL 8-OXOGUANINE DNA GLYCOSYLASE MUTM. JRNL REF J.BIOL.CHEM. V. 288 10012 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 23404556 JRNL DOI 10.1074/JBC.M112.415612 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6.1_357) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.69 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.200 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 37757 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 1882 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 32.6897 - 4.3469 0.99 3014 148 0.1719 0.1855 REMARK 3 2 4.3469 - 3.4515 1.00 2886 142 0.1527 0.1696 REMARK 3 3 3.4515 - 3.0155 0.99 2833 142 0.1712 0.2026 REMARK 3 4 3.0155 - 2.7400 0.99 2838 147 0.1882 0.1909 REMARK 3 5 2.7400 - 2.5437 0.99 2778 138 0.1826 0.2160 REMARK 3 6 2.5437 - 2.3937 0.99 2790 144 0.1698 0.2101 REMARK 3 7 2.3937 - 2.2739 0.99 2750 145 0.1565 0.1795 REMARK 3 8 2.2739 - 2.1749 0.98 2751 147 0.1577 0.1941 REMARK 3 9 2.1749 - 2.0912 0.98 2717 155 0.1548 0.2313 REMARK 3 10 2.0912 - 2.0191 0.97 2728 134 0.1556 0.2022 REMARK 3 11 2.0191 - 1.9559 0.96 2626 145 0.1577 0.1850 REMARK 3 12 1.9559 - 1.9000 0.95 2608 171 0.1598 0.1873 REMARK 3 13 1.9000 - 1.8500 0.91 2556 124 0.1811 0.2342 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.36 REMARK 3 B_SOL : 40.04 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.110 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.33530 REMARK 3 B22 (A**2) : -0.20180 REMARK 3 B33 (A**2) : -1.13350 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2759 REMARK 3 ANGLE : 1.092 3855 REMARK 3 CHIRALITY : 0.066 425 REMARK 3 PLANARITY : 0.005 405 REMARK 3 DIHEDRAL : 18.528 1096 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): 13.8821 -4.2979 17.0255 REMARK 3 T TENSOR REMARK 3 T11: 0.0791 T22: 0.1268 REMARK 3 T33: 0.1229 T12: 0.0019 REMARK 3 T13: -0.0073 T23: -0.0406 REMARK 3 L TENSOR REMARK 3 L11: 0.0022 L22: 0.7775 REMARK 3 L33: 0.9016 L12: -0.0575 REMARK 3 L13: -0.0816 L23: 0.7665 REMARK 3 S TENSOR REMARK 3 S11: -0.0024 S12: -0.0365 S13: 0.0413 REMARK 3 S21: -0.0321 S22: -0.0804 S23: 0.0745 REMARK 3 S31: -0.0822 S32: -0.0443 S33: 0.0527 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN B OR CHAIN C REMARK 3 ORIGIN FOR THE GROUP (A): 4.6825 -12.9118 29.1726 REMARK 3 T TENSOR REMARK 3 T11: 0.3123 T22: 0.3597 REMARK 3 T33: 0.3173 T12: 0.0039 REMARK 3 T13: 0.0955 T23: -0.0083 REMARK 3 L TENSOR REMARK 3 L11: 2.3642 L22: 5.7379 REMARK 3 L33: 0.9486 L12: -2.0155 REMARK 3 L13: -1.4626 L23: 0.9102 REMARK 3 S TENSOR REMARK 3 S11: -0.4156 S12: -0.3908 S13: -0.3086 REMARK 3 S21: 0.8251 S22: 0.2884 S23: 0.8855 REMARK 3 S31: 0.1119 S32: 0.1018 S33: 0.1397 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4G4N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUL-12. REMARK 100 THE RCSB ID CODE IS RCSB073732. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL 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 : APS REMARK 200 BEAMLINE : 24-ID-E REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37757 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 32.685 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8K, SODIUM CACODYLATE, GLYCEROL, REMARK 280 PH 7.0, VAPOR DIFFUSION, 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 22.59400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.32500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.77050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.32500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.59400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.77050 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15660 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 GLY A 218 REMARK 465 GLY A 219 REMARK 465 SER A 220 REMARK 465 THR A 221 REMARK 465 VAL A 222 REMARK 465 ARG A 223 REMARK 465 THR A 224 REMARK 465 TYR A 225 REMARK 465 VAL A 226 REMARK 465 ASN A 227 REMARK 465 THR A 228 REMARK 465 GLN A 229 REMARK 465 GLY A 230 REMARK 465 GLU A 231 REMARK 465 ALA A 232 REMARK 465 GLY A 233 REMARK 465 THR A 234 REMARK 465 PHE A 235 REMARK 465 GLN A 236 REMARK 465 HIS A 237 REMARK 465 DC B 16 REMARK 465 DT C 1 REMARK 465 DG C 2 REMARK 465 DC C 16 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 150 CG CD OE1 OE2 REMARK 470 LYS A 217 CG CD CE NZ 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 DG B 2 O4' - C1' - N9 ANGL. DEV. = 2.9 DEGREES REMARK 500 DG C 8 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DA C 9 O4' - C1' - N9 ANGL. DEV. = -4.7 DEGREES REMARK 500 DA C 14 O4' - C1' - N9 ANGL. DEV. = 2.2 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 LEU A 66 -160.89 -107.17 REMARK 500 ARG A 76 -138.49 46.88 REMARK 500 ASP A 110 97.09 -171.26 REMARK 500 GLU A 133 -1.58 77.84 REMARK 500 VAL A 241 -35.91 -134.29 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 300 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 269 SG REMARK 620 2 CYS A 272 SG 115.5 REMARK 620 3 CYS A 252 SG 99.4 111.1 REMARK 620 4 CYS A 249 SG 112.4 108.0 110.2 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 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4G4O RELATED DB: PDB REMARK 900 RELATED ID: 4G4Q RELATED DB: PDB REMARK 900 RELATED ID: 4G4R RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 AUTHORS STATE THAT THIS RESIDUE IS GLU IN THE WILD-TYPE SEQUENCE. DBREF 4G4N A 2 274 UNP P84131 P84131_GEOSE 2 274 DBREF 4G4N B 1 16 PDB 4G4N 4G4N 1 16 DBREF 4G4N C 1 16 PDB 4G4N 4G4N 1 16 SEQADV 4G4N GLU A 3 UNP P84131 GLN 3 SEE REMARK 999 SEQADV 4G4N ALA A 77 UNP P84131 MET 77 ENGINEERED MUTATION SEQADV 4G4N CYS A 166 UNP P84131 GLN 166 ENGINEERED MUTATION SEQRES 1 A 273 PRO GLU LEU PRO GLU VAL GLU THR ILE ARG ARG THR LEU SEQRES 2 A 273 LEU PRO LEU ILE VAL GLY LYS THR ILE GLU ASP VAL ARG SEQRES 3 A 273 ILE PHE TRP PRO ASN ILE ILE ARG HIS PRO ARG ASP SER SEQRES 4 A 273 GLU ALA PHE ALA ALA ARG MET ILE GLY GLN THR VAL ARG SEQRES 5 A 273 GLY LEU GLU ARG ARG GLY LYS PHE LEU LYS PHE LEU LEU SEQRES 6 A 273 ASP ARG ASP ALA LEU ILE SER HIS LEU ARG ALA GLU GLY SEQRES 7 A 273 ARG TYR ALA VAL ALA SER ALA LEU GLU PRO LEU GLU PRO SEQRES 8 A 273 HIS THR HIS VAL VAL PHE CYS PHE THR ASP GLY SER GLU SEQRES 9 A 273 LEU ARG TYR ARG ASP VAL ARG LYS PHE GLY THR MET HIS SEQRES 10 A 273 VAL TYR ALA LYS GLU GLU ALA ASP ARG ARG PRO PRO LEU SEQRES 11 A 273 ALA GLU LEU GLY PRO GLU PRO LEU SER PRO ALA PHE SER SEQRES 12 A 273 PRO ALA VAL LEU ALA GLU ARG ALA VAL LYS THR LYS ARG SEQRES 13 A 273 SER VAL LYS ALA LEU LEU LEU ASP CYS THR VAL VAL ALA SEQRES 14 A 273 GLY PHE GLY ASN ILE TYR VAL ASP GLU SER LEU PHE ARG SEQRES 15 A 273 ALA GLY ILE LEU PRO GLY ARG PRO ALA ALA SER LEU SER SEQRES 16 A 273 SER LYS GLU ILE GLU ARG LEU HIS GLU GLU MET VAL ALA SEQRES 17 A 273 THR ILE GLY GLU ALA VAL MET LYS GLY GLY SER THR VAL SEQRES 18 A 273 ARG THR TYR VAL ASN THR GLN GLY GLU ALA GLY THR PHE SEQRES 19 A 273 GLN HIS HIS LEU TYR VAL TYR GLY ARG GLN GLY ASN PRO SEQRES 20 A 273 CYS LYS ARG CYS GLY THR PRO ILE GLU LYS THR VAL VAL SEQRES 21 A 273 ALA GLY ARG GLY THR HIS TYR CYS PRO ARG CYS GLN ARG SEQRES 1 B 16 DA DG DG DT DA DG DA DC DT DC DG DG DA SEQRES 2 B 16 DC DG DC SEQRES 1 C 16 DT DG DC DG DT DC DC DG DA DG TX2 DC DT SEQRES 2 C 16 DA DC DC HET TX2 C 11 23 HET ZN A 300 1 HETNAM TX2 5'-O-{(R)-HYDROXY[(2-SULFANYLETHYL) HETNAM 2 TX2 AMINO]PHOSPHORYL}THYMIDINE HETNAM ZN ZINC ION FORMUL 3 TX2 C12 H20 N3 O7 P S FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *265(H2 O) HELIX 1 1 GLU 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 LYS A 154 1 11 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 SHEET 1 A 4 ILE A 23 ILE A 28 0 SHEET 2 A 4 THR A 94 PHE A 100 -1 O CYS A 99 N GLU A 24 SHEET 3 A 4 SER A 104 ARG A 109 -1 O LEU A 106 N PHE A 98 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 MET A 117 N ARG A 35 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 TYR A 268 N GLU A 257 LINK O3' DG C 10 P TX2 C 11 1555 1555 1.57 LINK SG CYS A 166 S TX2 C 11 1555 1555 2.05 LINK SG CYS A 269 ZN ZN A 300 1555 1555 2.32 LINK SG CYS A 272 ZN ZN A 300 1555 1555 2.34 LINK SG CYS A 252 ZN ZN A 300 1555 1555 2.35 LINK SG CYS A 249 ZN ZN A 300 1555 1555 2.35 CISPEP 1 HIS A 36 PRO A 37 0 -9.23 CISPEP 2 PRO A 129 PRO A 130 0 1.49 SITE 1 AC1 4 CYS A 249 CYS A 252 CYS A 269 CYS A 272 CRYST1 45.188 93.541 104.650 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 0.022130 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010690 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009556 0.00000