PDB Short entry for 1ZME HEADER TRANSCRIPTION/DNA 06-AUG-97 1ZME TITLE CRYSTAL STRUCTURE OF PUT3/DNA COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'- COMPND 3 D(*AP*CP*GP*GP*GP*AP*AP*GP*CP*CP*AP*AP*CP*TP*CP*CP*G)-3'); COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(*AP*CP*GP*GP*AP*GP*(5IU)P*TP*GP*GP*CP*TP*(5IU) COMPND 8 P*CP*CP*CP*G)-3'); COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR; COMPND 13 CHAIN: C, D; COMPND 14 FRAGMENT: RESIDUES 31 - 100; COMPND 15 SYNONYM: PUT3 (PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR); COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) LYS-S; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET16B; SOURCE 9 EXPRESSION_SYSTEM_GENE: PUT3 (31-100); SOURCE 10 MOL_ID: 2; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 13 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 14 ORGANISM_TAXID: 4932; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COMPLEX (TRANSCRIPTION REGULATION-DNA), PUT3, ZN2CYS6, BINUCLEAR KEYWDS 2 CLUSTER, TRANSCRIPTION FACTOR, TRANSCRIPTION-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.SWAMINATHAN,R.MARMORSTEIN REVDAT 3 14-FEB-24 1ZME 1 REMARK LINK REVDAT 2 24-FEB-09 1ZME 1 VERSN REVDAT 1 16-SEP-98 1ZME 0 JRNL AUTH K.SWAMINATHAN,P.FLYNN,R.J.REECE,R.MARMORSTEIN JRNL TITL CRYSTAL STRUCTURE OF A PUT3-DNA COMPLEX REVEALS A NOVEL JRNL TITL 2 MECHANISM FOR DNA RECOGNITION BY A PROTEIN CONTAINING A JRNL TITL 3 ZN2CYS6 BINUCLEAR CLUSTER. JRNL REF NAT.STRUCT.BIOL. V. 4 751 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9303004 JRNL DOI 10.1038/NSB0997-751 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.5 REMARK 3 NUMBER OF REFLECTIONS : 10388 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 : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1057 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.65 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 76.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1295 REMARK 3 BIN R VALUE (WORKING SET) : 0.3240 REMARK 3 BIN FREE R VALUE : 0.3680 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 137 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.031 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1104 REMARK 3 NUCLEIC ACID ATOMS : 692 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 157 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.38 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) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.46 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.753 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.590 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) : 2.630 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.990 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.320 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.030 ; 2.500 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZME COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000177490. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUL-96 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : MSC YALE MIRRORS REMARK 200 OPTICS : MSC/YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11024 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07800 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MULTIPLE ISOMORPHOUS REMARK 200 REPLACEMENT REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0 MM DIMER PROTEIN + 1.5 MM DNA REMARK 280 DUPLEX PREPARED. 1.0 MILLILITER (0.1 M MES BUFFER, PH 6.5 + 10 REMARK 280 MM MG CL2 + 20 MM NA CL + 20 % PEG 4K) RESERVOIR. HANGING DROP, REMARK 280 LINBRO BOX, 20 DEGREE C. WITHIN 5 DAYS, 0.2 X 0.3 X 0.4 MM REMARK 280 CRYSTALS., VAPOR DIFFUSION - HANGING DROP, TEMPERATURE 293K, REMARK 280 VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 6 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z REMARK 290 6555 X-Y,X,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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 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 DC B 2 C5' - C4' - O4' ANGL. DEV. = 9.2 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 ASN C 48 107.19 -160.21 REMARK 500 ASN C 57 54.04 36.79 REMARK 500 GLU C 64 127.44 -35.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DG A 3 0.06 SIDE CHAIN REMARK 500 DC A 9 0.07 SIDE CHAIN REMARK 500 DG B 17 0.06 SIDE CHAIN 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 C 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 34 SG REMARK 620 2 CYS C 37 SG 108.9 REMARK 620 3 CYS C 44 SG 110.8 114.6 REMARK 620 4 CYS C 50 SG 99.6 109.0 112.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C 2 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 34 SG REMARK 620 2 CYS C 50 SG 101.7 REMARK 620 3 CYS C 53 SG 111.9 107.6 REMARK 620 4 CYS C 60 SG 112.3 108.4 114.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 34 SG REMARK 620 2 CYS D 37 SG 101.9 REMARK 620 3 CYS D 44 SG 111.8 108.7 REMARK 620 4 CYS D 50 SG 102.7 117.3 113.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 2 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 34 SG REMARK 620 2 CYS D 50 SG 102.2 REMARK 620 3 CYS D 53 SG 109.1 108.6 REMARK 620 4 CYS D 60 SG 110.3 113.8 112.3 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 C 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 2 DBREF 1ZME C 31 100 UNP P25502 PUT3_YEAST 31 100 DBREF 1ZME D 31 100 UNP P25502 PUT3_YEAST 31 100 DBREF 1ZME A 1 17 PDB 1ZME 1ZME 1 17 DBREF 1ZME B 1 17 PDB 1ZME 1ZME 1 17 SEQRES 1 A 17 DA DC DG DG DG DA DA DG DC DC DA DA DC SEQRES 2 A 17 DT DC DC DG SEQRES 1 B 17 DA DC DG DG DA DG 5IU DT DG DG DC DT 5IU SEQRES 2 B 17 DC DC DC DG SEQRES 1 C 70 SER VAL ALA CYS LEU SER CYS ARG LYS ARG HIS ILE LYS SEQRES 2 C 70 CYS PRO GLY GLY ASN PRO CYS GLN LYS CYS VAL THR SER SEQRES 3 C 70 ASN ALA ILE CYS GLU TYR LEU GLU PRO SER LYS LYS ILE SEQRES 4 C 70 VAL VAL SER THR LYS TYR LEU GLN GLN LEU GLN LYS ASP SEQRES 5 C 70 LEU ASN ASP LYS THR GLU GLU ASN ASN ARG LEU LYS ALA SEQRES 6 C 70 LEU LEU LEU GLU ARG SEQRES 1 D 70 SER VAL ALA CYS LEU SER CYS ARG LYS ARG HIS ILE LYS SEQRES 2 D 70 CYS PRO GLY GLY ASN PRO CYS GLN LYS CYS VAL THR SER SEQRES 3 D 70 ASN ALA ILE CYS GLU TYR LEU GLU PRO SER LYS LYS ILE SEQRES 4 D 70 VAL VAL SER THR LYS TYR LEU GLN GLN LEU GLN LYS ASP SEQRES 5 D 70 LEU ASN ASP LYS THR GLU GLU ASN ASN ARG LEU LYS ALA SEQRES 6 D 70 LEU LEU LEU GLU ARG MODRES 1ZME 5IU B 7 DU 5-IODO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE MODRES 1ZME 5IU B 13 DU 5-IODO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE HET 5IU B 7 20 HET 5IU B 13 20 HET ZN C 1 1 HET ZN C 2 1 HET ZN D 1 1 HET ZN D 2 1 HETNAM 5IU 5-IODO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE HETNAM ZN ZINC ION FORMUL 2 5IU 2(C9 H12 I N2 O8 P) FORMUL 5 ZN 4(ZN 2+) FORMUL 9 HOH *157(H2 O) HELIX 1 1 LEU C 35 ARG C 40 1 6 HELIX 2 2 THR C 73 LEU C 79 1 7 HELIX 3 3 ASP C 82 LEU C 97 1 16 HELIX 4 4 LEU D 35 ARG D 40 1 6 HELIX 5 5 VAL D 54 SER D 56 5 3 HELIX 6 6 THR D 73 LEU D 79 1 7 HELIX 7 7 ASP D 82 LEU D 97 1 16 SHEET 1 A 2 LYS C 68 SER C 72 0 SHEET 2 A 2 LYS D 68 SER D 72 -1 O ILE D 69 N VAL C 71 LINK O3' DG B 6 P 5IU B 7 1555 1555 1.60 LINK O3' 5IU B 7 P DT B 8 1555 1555 1.61 LINK O3' DT B 12 P 5IU B 13 1555 1555 1.60 LINK O3' 5IU B 13 P DC B 14 1555 1555 1.59 LINK ZN ZN C 1 SG CYS C 34 1555 1555 2.40 LINK ZN ZN C 1 SG CYS C 37 1555 1555 2.25 LINK ZN ZN C 1 SG CYS C 44 1555 1555 2.31 LINK ZN ZN C 1 SG CYS C 50 1555 1555 2.34 LINK ZN ZN C 2 SG CYS C 34 1555 1555 2.34 LINK ZN ZN C 2 SG CYS C 50 1555 1555 2.33 LINK ZN ZN C 2 SG CYS C 53 1555 1555 2.32 LINK ZN ZN C 2 SG CYS C 60 1555 1555 2.40 LINK ZN ZN D 1 SG CYS D 34 1555 1555 2.40 LINK ZN ZN D 1 SG CYS D 37 1555 1555 2.24 LINK ZN ZN D 1 SG CYS D 44 1555 1555 2.35 LINK ZN ZN D 1 SG CYS D 50 1555 1555 2.34 LINK ZN ZN D 2 SG CYS D 34 1555 1555 2.36 LINK ZN ZN D 2 SG CYS D 50 1555 1555 2.40 LINK ZN ZN D 2 SG CYS D 53 1555 1555 2.33 LINK ZN ZN D 2 SG CYS D 60 1555 1555 2.32 CISPEP 1 ASN C 48 PRO C 49 0 -0.53 CISPEP 2 ASN D 48 PRO D 49 0 -0.27 SITE 1 AC1 5 ZN C 2 CYS C 34 CYS C 37 CYS C 44 SITE 2 AC1 5 CYS C 50 SITE 1 AC2 5 ZN C 1 CYS C 34 CYS C 50 CYS C 53 SITE 2 AC2 5 CYS C 60 SITE 1 AC3 5 ZN D 2 CYS D 34 CYS D 37 CYS D 44 SITE 2 AC3 5 CYS D 50 SITE 1 AC4 5 ZN D 1 CYS D 34 CYS D 50 CYS D 53 SITE 2 AC4 5 CYS D 60 CRYST1 121.650 121.650 39.100 90.00 90.00 120.00 P 6 12 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 0.008220 0.004746 0.000000 0.00000 SCALE2 0.000000 0.009492 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025575 0.00000