HEADER HYDROLASE, LYASE 11-JUL-21 7RDT TITLE STRUCTURE OF HUMAN NTHL1 - LINKER 1 CHIMERA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM 3 OF ENDONUCLEASE III-LIKE PROTEIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HNTH1,BIFUNCTIONAL DNA N-GLYCOSYLASE/DNA-(APURINIC OR COMPND 5 APYRIMIDINIC SITE) LYASE,DNA GLYCOSYLASE/AP LYASE,HNTH1,BIFUNCTIONAL COMPND 6 DNA N-GLYCOSYLASE/DNA-(APURINIC OR APYRIMIDINIC SITE) LYASE,DNA COMPND 7 GLYCOSYLASE/AP LYASE; COMPND 8 EC: 3.2.2.-,4.2.99.18; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: NTHL1, NTH1, OCTS3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS DNA GLYCOSYLASE, HYDROLASE, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR B.L.CARROLL,S.DOUBLIE REVDAT 2 18-OCT-23 7RDT 1 REMARK REVDAT 1 29-DEC-21 7RDT 0 JRNL AUTH B.L.CARROLL,K.E.ZAHN,J.P.HANLEY,S.S.WALLACE,J.A.DRAGON, JRNL AUTH 2 S.DOUBLIE JRNL TITL CAUGHT IN MOTION: HUMAN NTHL1 UNDERGOES INTERDOMAIN JRNL TITL 2 REARRANGEMENT NECESSARY FOR CATALYSIS. JRNL REF NUCLEIC ACIDS RES. V. 49 13165 2021 JRNL REFN ESSN 1362-4962 JRNL PMID 34871433 JRNL DOI 10.1093/NAR/GKAB1162 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.05 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.910 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 28900 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2889 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 38.0500 - 5.7900 0.98 1249 147 0.1529 0.1819 REMARK 3 2 5.7800 - 4.6000 0.97 1238 134 0.1552 0.2171 REMARK 3 3 4.6000 - 4.0200 0.98 1238 142 0.1440 0.1902 REMARK 3 4 4.0200 - 3.6500 0.96 1242 127 0.1519 0.1712 REMARK 3 5 3.6500 - 3.3900 0.98 1253 144 0.1680 0.1997 REMARK 3 6 3.3900 - 3.1900 0.99 1246 135 0.1697 0.2517 REMARK 3 7 3.1900 - 3.0300 0.97 1231 136 0.1863 0.2695 REMARK 3 8 3.0300 - 2.9000 0.96 1248 140 0.1974 0.2746 REMARK 3 9 2.9000 - 2.7900 0.96 1201 132 0.1950 0.2315 REMARK 3 10 2.7900 - 2.6900 0.98 1262 141 0.1996 0.2360 REMARK 3 11 2.6900 - 2.6100 0.99 1231 141 0.1896 0.2706 REMARK 3 12 2.6000 - 2.5300 0.99 1283 137 0.1992 0.2441 REMARK 3 13 2.5300 - 2.4600 0.96 1200 138 0.2078 0.2552 REMARK 3 14 2.4600 - 2.4000 0.95 1227 139 0.2031 0.2685 REMARK 3 15 2.4000 - 2.3500 0.96 1221 138 0.2204 0.2770 REMARK 3 16 2.3500 - 2.3000 0.98 1258 135 0.2058 0.2858 REMARK 3 17 2.3000 - 2.2500 0.98 1235 143 0.2166 0.2566 REMARK 3 18 2.2500 - 2.2100 0.98 1253 136 0.2200 0.2498 REMARK 3 19 2.2100 - 2.1700 0.99 1266 142 0.2211 0.2698 REMARK 3 20 2.1700 - 2.1300 0.98 1222 133 0.2285 0.2906 REMARK 3 21 2.1300 - 2.1000 0.94 1207 129 0.2439 0.2622 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.237 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.023 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.48 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.49 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 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 : 0.002 1741 REMARK 3 ANGLE : 0.471 2373 REMARK 3 CHIRALITY : 0.035 270 REMARK 3 PLANARITY : 0.005 298 REMARK 3 DIHEDRAL : 12.967 648 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 7RDT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-21. REMARK 100 THE DEPOSITION ID IS D_1000256335. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-OCT-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : POINTLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28900 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 38.050 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.9000 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) : 2.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 7RDS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6K, SODIUM CHLORIDE, TRICINE,, PH REMARK 280 8.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 21.18500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.26000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.84000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.26000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.18500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.84000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 63 REMARK 465 LEU A 64 REMARK 465 ARG A 65 REMARK 465 VAL A 66 REMARK 465 ALA A 67 REMARK 465 TYR A 68 REMARK 465 GLU A 69 REMARK 465 GLY A 70 REMARK 465 SER A 71 REMARK 465 ASP A 72 REMARK 465 SER A 73 REMARK 465 GLU A 74 REMARK 465 LYS A 75 REMARK 465 GLY A 76 REMARK 465 GLU A 77 REMARK 465 GLY A 78 REMARK 465 ALA A 79 REMARK 465 GLU A 80 REMARK 465 PRO A 81 REMARK 465 LEU A 82 REMARK 465 LYS A 83 REMARK 465 VAL A 84 REMARK 465 PRO A 85 REMARK 465 ASP A 107 REMARK 465 ALA A 108 REMARK 465 PRO A 109 REMARK 465 THR A 110 REMARK 465 LEU A 305 REMARK 465 GLU A 306 REMARK 465 HIS A 307 REMARK 465 HIS A 308 REMARK 465 HIS A 309 REMARK 465 HIS A 310 REMARK 465 HIS A 311 REMARK 465 HIS A 312 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 PRO A 171 49.31 -105.21 REMARK 500 ASP A 232 -166.43 -102.82 REMARK 500 THR A 282 -65.86 -130.27 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 699 DISTANCE = 6.74 ANGSTROMS 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 401 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 283 SG REMARK 620 2 SF4 A 401 S1 111.5 REMARK 620 3 SF4 A 401 S3 117.0 104.6 REMARK 620 4 SF4 A 401 S4 112.0 105.1 105.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 401 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 290 SG REMARK 620 2 SF4 A 401 S1 113.3 REMARK 620 3 SF4 A 401 S2 107.7 105.6 REMARK 620 4 SF4 A 401 S4 119.0 105.2 104.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 401 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 293 SG REMARK 620 2 SF4 A 401 S2 112.0 REMARK 620 3 SF4 A 401 S3 114.8 104.8 REMARK 620 4 SF4 A 401 S4 113.6 104.9 105.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 401 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 299 SG REMARK 620 2 SF4 A 401 S1 101.3 REMARK 620 3 SF4 A 401 S2 120.9 105.7 REMARK 620 4 SF4 A 401 S3 117.6 104.7 104.8 REMARK 620 N 1 2 3 DBREF 7RDT A 64 109 UNP P78549-3 NTH-3_HUMAN 49 94 DBREF 7RDT A 118 305 UNP P78549-3 NTH-3_HUMAN 110 297 SEQADV 7RDT MET A 63 UNP P78549-3 INITIATING METHIONINE SEQADV 7RDT THR A 110 UNP P78549-3 LINKER SEQADV 7RDT THR A 111 UNP P78549-3 LINKER SEQADV 7RDT GLU A 112 UNP P78549-3 LINKER SEQADV 7RDT LEU A 113 UNP P78549-3 LINKER SEQADV 7RDT ASN A 114 UNP P78549-3 LINKER SEQADV 7RDT PHE A 115 UNP P78549-3 LINKER SEQADV 7RDT SER A 116 UNP P78549-3 LINKER SEQADV 7RDT SER A 117 UNP P78549-3 LINKER SEQADV 7RDT GLU A 306 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 307 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 308 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 309 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 310 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 311 UNP P78549-3 EXPRESSION TAG SEQADV 7RDT HIS A 312 UNP P78549-3 EXPRESSION TAG SEQRES 1 A 250 MET LEU ARG VAL ALA TYR GLU GLY SER ASP SER GLU LYS SEQRES 2 A 250 GLY GLU GLY ALA GLU PRO LEU LYS VAL PRO VAL TRP GLU SEQRES 3 A 250 PRO GLN ASP TRP GLN GLN GLN LEU VAL ASN ILE ARG ALA SEQRES 4 A 250 MET ARG ASN LYS LYS ASP ALA PRO THR THR GLU LEU ASN SEQRES 5 A 250 PHE SER SER PRO LYS VAL ARG ARG TYR GLN VAL LEU LEU SEQRES 6 A 250 SER LEU MET LEU SER SER GLN THR LYS ASP GLN VAL THR SEQRES 7 A 250 ALA GLY ALA MET GLN ARG LEU ARG ALA ARG GLY LEU THR SEQRES 8 A 250 VAL ASP SER ILE LEU GLN THR ASP ASP ALA THR LEU GLY SEQRES 9 A 250 LYS LEU ILE TYR PRO VAL GLY PHE TRP ARG SER LYS VAL SEQRES 10 A 250 LYS TYR ILE LYS GLN THR SER ALA ILE LEU GLN GLN HIS SEQRES 11 A 250 TYR GLY GLY ASP ILE PRO ALA SER VAL ALA GLU LEU VAL SEQRES 12 A 250 ALA LEU PRO GLY VAL GLY PRO LYS MET ALA HIS LEU ALA SEQRES 13 A 250 MET ALA VAL ALA TRP GLY THR VAL SER GLY ILE ALA VAL SEQRES 14 A 250 ASP THR HIS VAL HIS ARG ILE ALA ASN ARG LEU ARG TRP SEQRES 15 A 250 THR LYS LYS ALA THR LYS SER PRO GLU GLU THR ARG ALA SEQRES 16 A 250 ALA LEU GLU GLU TRP LEU PRO ARG GLU LEU TRP HIS GLU SEQRES 17 A 250 ILE ASN GLY LEU LEU VAL GLY PHE GLY GLN GLN THR CYS SEQRES 18 A 250 LEU PRO VAL HIS PRO ARG CYS HIS ALA CYS LEU ASN GLN SEQRES 19 A 250 ALA LEU CYS PRO ALA ALA GLN GLY LEU GLU HIS HIS HIS SEQRES 20 A 250 HIS HIS HIS HET SF4 A 401 8 HETNAM SF4 IRON/SULFUR CLUSTER FORMUL 2 SF4 FE4 S4 FORMUL 3 HOH *199(H2 O) HELIX 1 AA1 ASP A 91 ARG A 103 1 13 HELIX 2 AA2 SER A 117 SER A 132 1 16 HELIX 3 AA3 LYS A 136 GLY A 151 1 16 HELIX 4 AA4 THR A 153 GLN A 159 1 7 HELIX 5 AA5 ASP A 161 TYR A 170 1 10 HELIX 6 AA6 PHE A 174 TYR A 193 1 20 HELIX 7 AA7 SER A 200 VAL A 205 1 6 HELIX 8 AA8 GLY A 211 GLY A 224 1 14 HELIX 9 AA9 ASP A 232 LEU A 242 1 11 HELIX 10 AB1 SER A 251 GLU A 261 1 11 HELIX 11 AB2 PRO A 264 TRP A 268 5 5 HELIX 12 AB3 HIS A 269 THR A 282 1 14 HELIX 13 AB4 ARG A 289 CYS A 293 5 5 HELIX 14 AB5 ASN A 295 LEU A 298 5 4 HELIX 15 AB6 CYS A 299 GLY A 304 1 6 LINK SG CYS A 283 FE2 SF4 A 401 1555 1555 2.48 LINK SG CYS A 290 FE3 SF4 A 401 1555 1555 2.33 LINK SG CYS A 293 FE1 SF4 A 401 1555 1555 2.28 LINK SG CYS A 299 FE4 SF4 A 401 1555 1555 2.29 CISPEP 1 TYR A 170 PRO A 171 0 4.47 CRYST1 42.370 71.680 86.520 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 0.023602 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013951 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011558 0.00000