PDB Short entry for 2ABK HEADER ENDONUCLEASE 11-MAY-95 2ABK TITLE REFINEMENT OF THE NATIVE STRUCTURE OF ENDONUCLEASE III TO A RESOLUTION TITLE 2 OF 1.85 ANGSTROM COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDONUCLEASE III; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.99.18 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: UC 6444 DELTA NTH KEYWDS DNA-REPAIR, DNA GLYCOSYLASE, ENDONUCLEASE EXPDTA X-RAY DIFFRACTION AUTHOR M.M.THAYER,J.A.TAINER REVDAT 5 14-FEB-24 2ABK 1 REMARK REVDAT 4 29-NOV-17 2ABK 1 HELIX REVDAT 3 24-MAR-09 2ABK 1 ATOM CONECT REVDAT 2 24-FEB-09 2ABK 1 VERSN REVDAT 1 15-OCT-95 2ABK 0 SPRSDE 15-OCT-95 2ABK 1ABK JRNL AUTH M.M.THAYER,H.AHERN,D.XING,R.P.CUNNINGHAM,J.A.TAINER JRNL TITL NOVEL DNA BINDING MOTIFS IN THE DNA REPAIR ENZYME JRNL TITL 2 ENDONUCLEASE III CRYSTAL STRUCTURE. JRNL REF EMBO J. V. 14 4108 1995 JRNL REFN ISSN 0261-4189 JRNL PMID 7664751 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.-F.KUO,D.E.MCREE,R.P.CUNNINGHAM,J.A.TAINER REMARK 1 TITL CRYSTALLIZATION AND CRYSTALLOGRAPHIC CHARACTERIZATION OF THE REMARK 1 TITL 2 IRON-SULFUR CONTAINING DNA-REPAIR ENZYME ENDONUCLEASE III REMARK 1 TITL 3 FROM ESCHERICHIA COLI ENZYME ENDONUCLEASE III REMARK 1 REF J.MOL.BIOL. V. 227 347 1992 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.-F.KUO,D.E.MCREE,C.L.FISHER,S.HANDLEY,R.P.CUNNINGHAM, REMARK 1 AUTH 2 J.A.TAINER REMARK 1 TITL ATOMIC STRUCTURE OF THE DNA REPAIR [4FE-4S] ENZYME REMARK 1 TITL 2 ENDONUCLEASE III REMARK 1 REF SCIENCE V. 258 434 1992 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.0 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 93.1 REMARK 3 NUMBER OF REFLECTIONS : 26043 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1655 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 123 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.70 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) : 0.20 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 2.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.160 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 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 2ABK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177729. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAY-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XENTRONICS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27787 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 10.00 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL 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: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 24.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.40000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.40000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.90000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 HIS A 140 NE2 HIS A 140 CD2 -0.067 REMARK 500 HIS A 176 NE2 HIS A 176 CD2 -0.072 REMARK 500 HIS A 177 NE2 HIS A 177 CD2 -0.071 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 ARG A 14 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 TRP A 132 CD1 - CG - CD2 ANGL. DEV. = 5.0 DEGREES REMARK 500 TRP A 132 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 TRP A 178 CD1 - CG - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP A 178 CE2 - CD2 - CG ANGL. DEV. = -5.1 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 GLU A 98 -75.32 -70.73 REMARK 500 PRO A 133 45.39 -77.80 REMARK 500 ALA A 151 76.83 -154.09 REMARK 500 THR A 186 -56.38 -122.29 REMARK 500 LYS A 191 79.27 59.17 REMARK 500 ARG A 193 55.79 -90.87 REMARK 500 VAL A 209 -65.63 -98.24 REMARK 500 ASP A 210 38.15 -94.79 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 SF4 A 300 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 187 SG REMARK 620 2 SF4 A 300 S1 111.0 REMARK 620 3 SF4 A 300 S3 114.8 104.7 REMARK 620 4 SF4 A 300 S4 115.7 106.1 103.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 194 SG REMARK 620 2 SF4 A 300 S1 118.0 REMARK 620 3 SF4 A 300 S2 111.7 102.8 REMARK 620 4 SF4 A 300 S4 113.8 105.0 104.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 197 SG REMARK 620 2 SF4 A 300 S2 115.5 REMARK 620 3 SF4 A 300 S3 111.5 105.2 REMARK 620 4 SF4 A 300 S4 114.5 104.8 104.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 203 SG REMARK 620 2 SF4 A 300 S1 112.8 REMARK 620 3 SF4 A 300 S2 115.1 104.5 REMARK 620 4 SF4 A 300 S3 113.3 105.1 105.1 REMARK 620 N 1 2 3 REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: REMARK 650 KABSCH AND SANDER AS IMPLEMENTED BY PROCHECK FOLLOWED BY REMARK 650 VISUAL INSPECTION OF MODEL. REMARK 650 TURN REMARK 650 KABSCH AND SANDER IN PROCHECK REMARK 650 TURN_ID: FG, HAIRPIN OF HELIX HAIRPIN HELIX MOTIF. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: 1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: DNA GLYCOSYLASE AND DNA LYASE ACTIVITY REMARK 800 REMARK 800 SITE_IDENTIFIER: 2 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: DNA BINDING REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 300 DBREF 2ABK A 1 211 UNP P0AB83 END3_ECOLI 1 211 SEQRES 1 A 211 MET ASN LYS ALA LYS ARG LEU GLU ILE LEU THR ARG LEU SEQRES 2 A 211 ARG GLU ASN ASN PRO HIS PRO THR THR GLU LEU ASN PHE SEQRES 3 A 211 SER SER PRO PHE GLU LEU LEU ILE ALA VAL LEU LEU SER SEQRES 4 A 211 ALA GLN ALA THR ASP VAL SER VAL ASN LYS ALA THR ALA SEQRES 5 A 211 LYS LEU TYR PRO VAL ALA ASN THR PRO ALA ALA MET LEU SEQRES 6 A 211 GLU LEU GLY VAL GLU GLY VAL LYS THR TYR ILE LYS THR SEQRES 7 A 211 ILE GLY LEU TYR ASN SER LYS ALA GLU ASN ILE ILE LYS SEQRES 8 A 211 THR CYS ARG ILE LEU LEU GLU GLN HIS ASN GLY GLU VAL SEQRES 9 A 211 PRO GLU ASP ARG ALA ALA LEU GLU ALA LEU PRO GLY VAL SEQRES 10 A 211 GLY ARG LYS THR ALA ASN VAL VAL LEU ASN THR ALA PHE SEQRES 11 A 211 GLY TRP PRO THR ILE ALA VAL ASP THR HIS ILE PHE ARG SEQRES 12 A 211 VAL CYS ASN ARG THR GLN PHE ALA PRO GLY LYS ASN VAL SEQRES 13 A 211 GLU GLN VAL GLU GLU LYS LEU LEU LYS VAL VAL PRO ALA SEQRES 14 A 211 GLU PHE LYS VAL ASP CYS HIS HIS TRP LEU ILE LEU HIS SEQRES 15 A 211 GLY ARG TYR THR CYS ILE ALA ARG LYS PRO ARG CYS GLY SEQRES 16 A 211 SER CYS ILE ILE GLU ASP LEU CYS GLU TYR LYS GLU LYS SEQRES 17 A 211 VAL ASP ILE HET SF4 A 300 8 HETNAM SF4 IRON/SULFUR CLUSTER FORMUL 2 SF4 FE4 S4 FORMUL 3 HOH *123(H2 O) HELIX 1 A LYS A 3 ASN A 16 1 14 HELIX 2 B PRO A 29 LEU A 38 1 10 HELIX 3 C ASP A 44 VAL A 57 1 14 HELIX 4 D PRO A 61 ILE A 76 1KINKED AT GLY 68 16 HELIX 5 E TYR A 82 GLN A 99 1 18 HELIX 6 F ARG A 108 ALA A 113 1 6 HELIX 7 G ARG A 119 PHE A 130 1 12 HELIX 8 H THR A 139 THR A 148 1 10 HELIX 9 I VAL A 156 VAL A 166 1 11 HELIX 10 J CYS A 175 TYR A 185 1 11 LINK SG CYS A 187 FE2 SF4 A 300 1555 1555 2.29 LINK SG CYS A 194 FE3 SF4 A 300 1555 1555 2.33 LINK SG CYS A 197 FE1 SF4 A 300 1555 1555 2.30 LINK SG CYS A 203 FE4 SF4 A 300 1555 1555 2.28 SITE 1 1 2 LYS A 120 ASP A 138 SITE 1 2 1 LYS A 191 SITE 1 AC1 8 THR A 148 HIS A 182 CYS A 187 CYS A 194 SITE 2 AC1 8 CYS A 197 GLU A 200 CYS A 203 TYR A 205 CRYST1 48.500 65.800 86.800 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 0.020619 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015198 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011521 0.00000