HEADER OXIDOREDUCTASE 06-AUG-25 9PXT TITLE CRYO-EM STRUCTURE OF NAPA, THE PERIPLASMIC NITRATE REDUCTASE FROM TITLE 2 CAMPYLOBACTER JEJUNI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PERIPLASMIC NITRATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.9.6.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CAMPYLOBACTER JEJUNI; SOURCE 3 ORGANISM_TAXID: 197; SOURCE 4 GENE: NAPA, CJ0780; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PERIPLASMIC NITRATE REDUCTASE, MOLYBDENUM ENZYMES, CRYO-EM, MEMBRANE KEYWDS 2 PROTEIN, METAL BINDING PROTEIN, OXIDOREDUCTASE EXPDTA ELECTRON MICROSCOPY AUTHOR T.THACH,R.SUBRAMANIAN REVDAT 1 17-JUN-26 9PXT 0 JRNL AUTH N.C.GIRI,T.THACH,K.DHANABALAN,M.CESIUNAITE,M.RADHAKRISHNAN, JRNL AUTH 2 L.WEDASINGHA,N.MANICKE,M.WELLS,M.SZALENIEC,R.SUBRAMANIAN, JRNL AUTH 3 P.BASU JRNL TITL STRUCTURE AND SUBSTRATE PROMISCUITY OF CAMPYLOBACTER JEJUNI JRNL TITL 2 PERIPLASMIC NITRATE REDUCTASE (NAP) AND PHYLOGENETIC JRNL TITL 3 ANALYSIS OF NAP HOMOLOGS. JRNL REF J.BIOL.CHEM. V. 301 10928 2025 JRNL REFN ESSN 1083-351X JRNL PMID 41248713 JRNL DOI 10.1016/J.JBC.2025.110928 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : AB INITIO MODEL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : REAL REFINEMENT WAS DONE USING PHENIX REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.000 REMARK 3 NUMBER OF PARTICLES : 131448 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9PXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-AUG-25. REMARK 100 THE DEPOSITION ID IS D_1000298540. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : STRUCTURE OF NAPA:MOCO[4FE4S] REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : VITRIFICATION REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 60 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOCONTINUUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 700.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 0.10 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5680.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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 1 REMARK 465 ASN A 2 REMARK 465 ARG A 3 REMARK 465 ARG A 4 REMARK 465 ASP A 5 REMARK 465 PHE A 6 REMARK 465 ILE A 7 REMARK 465 LYS A 8 REMARK 465 ASN A 9 REMARK 465 THR A 10 REMARK 465 ALA A 11 REMARK 465 ILE A 12 REMARK 465 ALA A 13 REMARK 465 SER A 14 REMARK 465 ALA A 15 REMARK 465 ALA A 16 REMARK 465 SER A 17 REMARK 465 VAL A 18 REMARK 465 ALA A 19 REMARK 465 GLY A 20 REMARK 465 LEU A 21 REMARK 465 SER A 22 REMARK 465 VAL A 23 REMARK 465 PRO A 24 REMARK 465 SER A 25 REMARK 465 SER A 26 REMARK 465 MET A 27 REMARK 465 LEU A 28 REMARK 465 GLY A 29 REMARK 465 ALA A 30 REMARK 465 GLN A 31 REMARK 465 GLU A 32 REMARK 465 GLU A 33 REMARK 465 ASP A 34 REMARK 465 TRP A 35 REMARK 465 LYS A 56 REMARK 465 ASP A 57 REMARK 465 GLU A 90 REMARK 465 ASP A 91 REMARK 465 ASP A 233 REMARK 465 LYS A 234 REMARK 465 MET A 283 REMARK 465 LYS A 284 REMARK 465 GLN A 622 REMARK 465 LYS A 623 REMARK 465 ALA A 637 REMARK 465 LYS A 638 REMARK 465 ALA A 639 REMARK 465 ASN A 735 REMARK 465 GLY A 736 REMARK 465 LYS A 737 REMARK 465 ASN A 757 REMARK 465 SER A 758 REMARK 465 LYS A 779 REMARK 465 ASP A 780 REMARK 465 GLU A 781 REMARK 465 LYS A 782 REMARK 465 GLU A 783 REMARK 465 LYS A 847 REMARK 465 ASP A 848 REMARK 465 GLY A 849 REMARK 465 GLU A 850 REMARK 465 LYS A 851 REMARK 465 LEU A 852 REMARK 465 GLY A 853 REMARK 465 LEU A 854 REMARK 465 ASN A 855 REMARK 465 GLN A 856 REMARK 465 GLY A 857 REMARK 465 ASP A 858 REMARK 465 LEU A 859 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CB CYS A 45 FE3 SF4 A 1001 1.93 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 PHE A 44 -68.28 -98.22 REMARK 500 ASN A 168 49.59 -81.93 REMARK 500 MET A 177 44.14 -140.79 REMARK 500 THR A 187 -65.14 -93.68 REMARK 500 TRP A 209 49.81 -93.99 REMARK 500 ALA A 211 126.98 -171.49 REMARK 500 HIS A 351 52.81 -90.34 REMARK 500 LYS A 496 45.51 39.37 REMARK 500 PRO A 505 175.66 -59.54 REMARK 500 ASN A 527 77.87 -152.11 REMARK 500 MET A 571 -169.17 -79.69 REMARK 500 TYR A 573 45.13 -89.81 REMARK 500 GLU A 574 24.92 -143.78 REMARK 500 ARG A 584 43.53 71.23 REMARK 500 ALA A 654 29.75 -142.16 REMARK 500 ARG A 727 43.61 -107.83 REMARK 500 ARG A 730 -167.38 -76.97 REMARK 500 PRO A 732 86.79 10.09 REMARK 500 PHE A 743 -5.66 71.21 REMARK 500 HIS A 822 -137.29 62.72 REMARK 500 LYS A 923 -169.64 -77.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TRP A 731 PRO A 732 -149.63 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 A1001 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 42 SG REMARK 620 2 SF4 A1001 S1 90.4 REMARK 620 3 SF4 A1001 S2 125.9 104.3 REMARK 620 4 SF4 A1001 S3 122.4 104.3 104.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A1001 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 45 SG REMARK 620 2 SF4 A1001 S1 137.4 REMARK 620 3 SF4 A1001 S2 98.8 104.2 REMARK 620 4 SF4 A1001 S4 104.4 104.2 104.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A1001 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 49 SG REMARK 620 2 SF4 A1001 S1 110.3 REMARK 620 3 SF4 A1001 S3 105.0 104.5 REMARK 620 4 SF4 A1001 S4 127.0 103.7 104.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A1001 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 77 SG REMARK 620 2 SF4 A1001 S2 91.4 REMARK 620 3 SF4 A1001 S3 121.8 104.1 REMARK 620 4 SF4 A1001 S4 126.2 104.2 104.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MO A1002 MO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 176 SG REMARK 620 2 MGD A1003 S13 104.4 REMARK 620 3 MGD A1003 S12 118.9 81.6 REMARK 620 4 MGD A1004 S13 115.6 124.4 108.3 REMARK 620 N 1 2 3 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2NYA RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PERIPLASMIC NITRATE REDUCTASE FROM E. COLI REMARK 900 RELATED ID: EMD-71994 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF NAPA, THE PERIPLASMIC NITRATE REDUCTASE FROM REMARK 900 CAMPYLOBACTER JEJUNI DBREF 9PXT A 1 924 UNP Q9PPD9 NAPA_CAMJE 1 924 SEQRES 1 A 924 MET ASN ARG ARG ASP PHE ILE LYS ASN THR ALA ILE ALA SEQRES 2 A 924 SER ALA ALA SER VAL ALA GLY LEU SER VAL PRO SER SER SEQRES 3 A 924 MET LEU GLY ALA GLN GLU GLU ASP TRP LYS TRP ASP LYS SEQRES 4 A 924 ALA VAL CYS ARG PHE CYS GLY THR GLY CYS GLY ILE MET SEQRES 5 A 924 ILE ALA ARG LYS ASP GLY LYS ILE VAL ALA THR LYS GLY SEQRES 6 A 924 ASP PRO ALA ALA PRO VAL ASN ARG GLY LEU ASN CYS ILE SEQRES 7 A 924 LYS GLY TYR PHE ASN ALA LYS ILE MET TYR GLY GLU ASP SEQRES 8 A 924 ARG LEU VAL MET PRO LEU LEU ARG MET ASN GLU LYS GLY SEQRES 9 A 924 GLU PHE ASP LYS LYS GLY LYS PHE GLN GLN VAL SER TRP SEQRES 10 A 924 GLN ARG ALA PHE ASP GLU MET GLU LYS GLN PHE LYS LYS SEQRES 11 A 924 ALA TYR ASN GLU LEU GLY VAL THR GLY ILE GLY ILE PHE SEQRES 12 A 924 GLY SER GLY GLN TYR THR ILE GLN GLU GLY TYR ALA ALA SEQRES 13 A 924 LEU LYS LEU ALA LYS ALA GLY PHE ARG THR ASN ASN ILE SEQRES 14 A 924 ASP PRO ASN ALA ARG HIS CYS MET ALA SER ALA VAL VAL SEQRES 15 A 924 GLY PHE MET GLN THR PHE GLY VAL ASP GLU PRO SER GLY SEQRES 16 A 924 CYS TYR ASP ASP ILE GLU LEU THR ASP THR ILE ILE THR SEQRES 17 A 924 TRP GLY ALA ASN MET ALA GLU MET HIS PRO ILE LEU TRP SEQRES 18 A 924 SER ARG VAL SER ASP ARG LYS LEU SER ASN LEU ASP LYS SEQRES 19 A 924 VAL LYS VAL VAL ASN LEU SER THR PHE SER ASN ARG THR SEQRES 20 A 924 SER ASN ILE ALA ASP ILE GLU ILE ILE PHE LYS PRO ASN SEQRES 21 A 924 THR ASP LEU ALA ILE TRP ASN TYR ILE ALA ARG GLU ILE SEQRES 22 A 924 VAL TYR ASN HIS PRO GLU ALA MET ASP MET LYS PHE ILE SEQRES 23 A 924 LYS ASP HIS CYS VAL PHE ALA THR GLY TYR ALA ASP ILE SEQRES 24 A 924 GLY TYR GLY MET ARG ASN ASN PRO ASN HIS PRO LYS PHE SEQRES 25 A 924 LYS GLU SER GLU LYS ASP THR VAL GLU LYS GLU ASN VAL SEQRES 26 A 924 ILE THR LEU ASP ASP GLU GLU ALA THR SER LEU SER TYR SEQRES 27 A 924 LEU GLY VAL LYS ALA GLY ASP LYS PHE GLU MET LYS HIS SEQRES 28 A 924 GLN GLY VAL ALA ASP LYS ASN TRP GLU ILE SER PHE ASP SEQRES 29 A 924 GLU PHE LYS LYS GLY LEU ALA PRO TYR THR LEU GLU TYR SEQRES 30 A 924 THR ALA ARG VAL ALA LYS GLY ASP ASP ASN GLU SER LEU SEQRES 31 A 924 GLU ASP PHE LYS LYS LYS LEU GLN GLU LEU ALA ASN LEU SEQRES 32 A 924 TYR ILE GLU LYS ASN ARG LYS VAL VAL SER PHE TRP THR SEQRES 33 A 924 MET GLY PHE ASN GLN HIS THR ARG GLY SER TRP VAL ASN SEQRES 34 A 924 GLU GLN ALA TYR MET VAL HIS PHE LEU LEU GLY LYS GLN SEQRES 35 A 924 ALA LYS PRO GLY SER GLY ALA PHE SER LEU THR GLY GLN SEQRES 36 A 924 PRO SER ALA CYS GLY THR ALA ARG GLU VAL GLY THR PHE SEQRES 37 A 924 SER HIS ARG LEU PRO ALA ASP MET VAL VAL ALA ASN PRO SEQRES 38 A 924 LYS HIS ARG GLU ILE SER GLU LYS ILE TRP LYS VAL PRO SEQRES 39 A 924 ALA LYS THR ILE ASN PRO LYS PRO GLY SER PRO TYR LEU SEQRES 40 A 924 ASN ILE MET ARG ASP LEU GLU ASP GLY LYS ILE LYS PHE SEQRES 41 A 924 ALA TRP VAL GLN VAL ASN ASN PRO TRP GLN ASN THR ALA SEQRES 42 A 924 ASN ALA ASN HIS TRP ILE ALA ALA ALA ARG GLU MET ASP SEQRES 43 A 924 ASN PHE ILE VAL VAL SER ASP CYS TYR PRO GLY ILE SER SEQRES 44 A 924 ALA LYS VAL ALA ASP LEU ILE LEU PRO SER ALA MET ILE SEQRES 45 A 924 TYR GLU LYS TRP GLY ALA TYR GLY ASN ALA GLU ARG ARG SEQRES 46 A 924 THR GLN HIS TRP LYS GLN GLN VAL LEU PRO VAL GLY ALA SEQRES 47 A 924 ALA MET SER ASP THR TRP GLN ILE LEU GLU PHE ALA LYS SEQRES 48 A 924 ARG PHE LYS LEU LYS GLU VAL TRP LYS GLU GLN LYS VAL SEQRES 49 A 924 ASP ASN LYS LEU THR LEU PRO SER VAL LEU GLU GLU ALA SEQRES 50 A 924 LYS ALA MET GLY TYR SER GLU ASP ASP THR LEU PHE ASP SEQRES 51 A 924 VAL LEU PHE ALA ASN LYS GLU ALA LYS SER PHE ASN PRO SEQRES 52 A 924 ASN ASP ALA ILE ALA LYS GLY PHE ASP ASN THR ASP VAL SEQRES 53 A 924 LYS GLY ASP GLU ARG LYS ILE GLN GLY SER ASP GLY LYS SEQRES 54 A 924 GLU PHE THR GLY TYR GLY PHE PHE VAL GLN LYS TYR LEU SEQRES 55 A 924 TRP GLU GLU TYR ARG LYS PHE GLY LEU GLY HIS GLY HIS SEQRES 56 A 924 ASP LEU ALA ASP PHE ASP THR TYR HIS LYS VAL ARG GLY SEQRES 57 A 924 LEU ARG TRP PRO VAL VAL ASN GLY LYS GLU THR GLN TRP SEQRES 58 A 924 ARG PHE ASN THR LYS PHE ASP TYR TYR ALA LYS LYS ALA SEQRES 59 A 924 ALA PRO ASN SER ASP PHE ALA PHE TYR GLY ASP PHE ASN SEQRES 60 A 924 LYS MET LEU THR ASN GLY ASP LEU ILE ALA PRO LYS ASP SEQRES 61 A 924 GLU LYS GLU HIS SER ILE LYS ASN LYS ALA LYS ILE PHE SEQRES 62 A 924 PHE ARG PRO PHE MET LYS ALA PRO GLU ARG PRO SER LYS SEQRES 63 A 924 GLU TYR PRO PHE TRP LEU ALA THR GLY ARG VAL LEU GLU SEQRES 64 A 924 HIS TRP HIS SER GLY THR MET THR MET ARG VAL PRO GLU SEQRES 65 A 924 LEU TYR ARG ALA VAL PRO GLU ALA LEU CYS TYR MET SER SEQRES 66 A 924 GLU LYS ASP GLY GLU LYS LEU GLY LEU ASN GLN GLY ASP SEQRES 67 A 924 LEU VAL TRP VAL GLU SER ARG ARG GLY LYS VAL LYS ALA SEQRES 68 A 924 ARG VAL ASP MET ARG GLY ARG ASN LYS PRO PRO VAL GLY SEQRES 69 A 924 LEU VAL TYR VAL PRO TRP PHE ASP GLU ASN VAL TYR ILE SEQRES 70 A 924 ASN LYS VAL THR LEU ASP ALA THR CYS PRO LEU SER LYS SEQRES 71 A 924 GLN THR ASP PHE LYS LYS CYS ALA VAL LYS ILE TYR LYS SEQRES 72 A 924 ALA HET SF4 A1001 8 HET MO A1002 1 HET MGD A1003 47 HET MGD A1004 47 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM MO MOLYBDENUM ATOM HETNAM MGD 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8- HETNAM 2 MGD OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE HETNAM 3 MGD DINUCLEOTIDE HETSYN MGD MOLYBDOPTERIN GUANOSINE DINUCLEOTIDE FORMUL 2 SF4 FE4 S4 FORMUL 3 MO MO FORMUL 4 MGD 2(C20 H26 N10 O13 P2 S2) HELIX 1 AA1 CYS A 77 TYR A 81 5 5 HELIX 2 AA2 ALA A 84 TYR A 88 5 5 HELIX 3 AA3 SER A 116 GLY A 136 1 21 HELIX 4 AA4 THR A 149 ALA A 162 1 14 HELIX 5 AA5 PRO A 171 CYS A 176 5 6 HELIX 6 AA6 MET A 177 PHE A 188 1 12 HELIX 7 AA7 ASP A 199 THR A 203 5 5 HELIX 8 AA8 ASN A 212 HIS A 217 1 6 HELIX 9 AA9 HIS A 217 ASN A 231 1 15 HELIX 10 AB1 ASN A 245 ILE A 250 5 6 HELIX 11 AB2 THR A 261 TYR A 275 1 15 HELIX 12 AB3 ILE A 286 HIS A 289 1 4 HELIX 13 AB4 GLU A 316 GLU A 323 1 8 HELIX 14 AB5 ASP A 329 LEU A 336 1 8 HELIX 15 AB6 SER A 337 GLY A 340 5 4 HELIX 16 AB7 SER A 362 LEU A 370 1 9 HELIX 17 AB8 THR A 374 ALA A 382 1 9 HELIX 18 AB9 SER A 389 GLU A 406 1 18 HELIX 19 AC1 ARG A 424 GLY A 440 1 17 HELIX 20 AC2 ASN A 480 LYS A 492 1 13 HELIX 21 AC3 PRO A 505 ASP A 515 1 11 HELIX 22 AC4 ASN A 527 THR A 532 1 6 HELIX 23 AC5 ASN A 534 GLU A 544 1 11 HELIX 24 AC6 GLY A 557 ALA A 563 1 7 HELIX 25 AC7 MET A 571 LYS A 575 5 5 HELIX 26 AC8 SER A 601 LYS A 611 1 11 HELIX 27 AC9 LYS A 614 TRP A 619 1 6 HELIX 28 AD1 THR A 647 PHE A 653 1 7 HELIX 29 AD2 ASN A 655 PHE A 661 1 7 HELIX 30 AD3 ASN A 673 GLY A 678 1 6 HELIX 31 AD4 PHE A 697 LEU A 711 1 15 HELIX 32 AD5 ASP A 719 VAL A 726 1 8 HELIX 33 AD6 ASN A 744 ASP A 748 5 5 HELIX 34 AD7 TYR A 749 ALA A 755 1 7 HELIX 35 AD8 VAL A 830 VAL A 837 1 8 HELIX 36 AD9 TYR A 896 VAL A 900 5 5 SHEET 1 AA1 3 ASP A 38 VAL A 41 0 SHEET 2 AA1 3 GLY A 50 ALA A 54 -1 O ILE A 51 N ALA A 40 SHEET 3 AA1 3 ALA A 62 GLY A 65 -1 O LYS A 64 N MET A 52 SHEET 1 AA2 7 LYS A 111 GLN A 114 0 SHEET 2 AA2 7 LEU A 97 MET A 100 -1 N LEU A 98 O GLN A 113 SHEET 3 AA2 7 LEU A 565 ILE A 566 -1 O ILE A 566 N LEU A 97 SHEET 4 AA2 7 PHE A 548 SER A 552 1 N VAL A 551 O LEU A 565 SHEET 5 AA2 7 PHE A 520 GLN A 524 1 N VAL A 523 O SER A 552 SHEET 6 AA2 7 ILE A 140 PHE A 143 1 N PHE A 143 O TRP A 522 SHEET 7 AA2 7 ILE A 169 ASP A 170 1 O ASP A 170 N ILE A 142 SHEET 1 AA3 5 ASP A 252 ILE A 256 0 SHEET 2 AA3 5 LYS A 236 SER A 241 1 N SER A 241 O ILE A 255 SHEET 3 AA3 5 THR A 205 TRP A 209 1 N THR A 208 O LEU A 240 SHEET 4 AA3 5 VAL A 412 TRP A 415 1 O PHE A 414 N TRP A 209 SHEET 5 AA3 5 GLY A 448 SER A 451 1 O PHE A 450 N SER A 413 SHEET 1 AA4 3 ASN A 358 GLU A 360 0 SHEET 2 AA4 3 CYS A 290 GLY A 295 -1 N THR A 294 O TRP A 359 SHEET 3 AA4 3 ALA A 790 PHE A 794 1 O ILE A 792 N ALA A 293 SHEET 1 AA5 2 VAL A 325 LEU A 328 0 SHEET 2 AA5 2 ASP A 345 GLU A 348 -1 O ASP A 345 N LEU A 328 SHEET 1 AA6 2 ARG A 471 LEU A 472 0 SHEET 2 AA6 2 MET A 476 VAL A 477 -1 O MET A 476 N LEU A 472 SHEET 1 AA7 2 GLY A 577 GLY A 580 0 SHEET 2 AA7 2 THR A 586 TRP A 589 -1 O TRP A 589 N GLY A 577 SHEET 1 AA8 5 LYS A 868 LYS A 870 0 SHEET 2 AA8 5 TRP A 861 GLU A 863 -1 N VAL A 862 O VAL A 869 SHEET 3 AA8 5 CYS A 917 TYR A 922 -1 O LYS A 920 N GLU A 863 SHEET 4 AA8 5 PHE A 810 ALA A 813 -1 N PHE A 810 O VAL A 919 SHEET 5 AA8 5 LEU A 885 TYR A 887 1 O VAL A 886 N ALA A 813 SHEET 1 AA9 2 LEU A 841 TYR A 843 0 SHEET 2 AA9 2 ARG A 872 ASP A 874 1 O ARG A 872 N CYS A 842 LINK SG CYS A 42 FE4 SF4 A1001 1555 1555 2.25 LINK SG CYS A 45 FE3 SF4 A1001 1555 1555 2.25 LINK SG CYS A 49 FE2 SF4 A1001 1555 1555 2.26 LINK SG CYS A 77 FE1 SF4 A1001 1555 1555 2.26 LINK SG CYS A 176 MO MO A1002 1555 1555 2.34 LINK MO MO A1002 S13 MGD A1003 1555 1555 2.49 LINK MO MO A1002 S12 MGD A1003 1555 1555 2.46 LINK MO MO A1002 S13 MGD A1004 1555 1555 2.30 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 CONECT 58 6861 CONECT 86 6860 CONECT 107 6859 CONECT 288 6858 CONECT 1069 6866 CONECT 6858 288 6863 6864 6865 CONECT 6859 107 6862 6864 6865 CONECT 6860 86 6862 6863 6865 CONECT 6861 58 6862 6863 6864 CONECT 6862 6859 6860 6861 CONECT 6863 6858 6860 6861 CONECT 6864 6858 6859 6861 CONECT 6865 6858 6859 6860 CONECT 6866 1069 6899 6901 6948 CONECT 6867 6868 6869 6870 6875 CONECT 6868 6867 CONECT 6869 6867 CONECT 6870 6867 6872 CONECT 6871 6872 6895 CONECT 6872 6870 6871 6873 6874 CONECT 6873 6872 CONECT 6874 6872 CONECT 6875 6867 6876 CONECT 6876 6875 6877 CONECT 6877 6876 6878 6879 CONECT 6878 6877 6883 CONECT 6879 6877 6880 6881 CONECT 6880 6879 CONECT 6881 6879 6882 6883 CONECT 6882 6881 CONECT 6883 6878 6881 6884 CONECT 6884 6883 6885 6894 CONECT 6885 6884 6886 CONECT 6886 6885 6887 CONECT 6887 6886 6888 6894 CONECT 6888 6887 6889 6890 CONECT 6889 6888 CONECT 6890 6888 6891 CONECT 6891 6890 6892 6893 CONECT 6892 6891 CONECT 6893 6891 6894 CONECT 6894 6884 6887 6893 CONECT 6895 6871 6896 CONECT 6896 6895 6897 6898 CONECT 6897 6896 6913 CONECT 6898 6896 6899 6900 CONECT 6899 6866 6898 CONECT 6900 6898 6901 6902 CONECT 6901 6866 6900 CONECT 6902 6900 6903 6913 CONECT 6903 6902 6904 CONECT 6904 6903 6905 6911 CONECT 6905 6904 6906 6907 CONECT 6906 6905 CONECT 6907 6905 6908 CONECT 6908 6907 6909 6910 CONECT 6909 6908 CONECT 6910 6908 6911 CONECT 6911 6904 6910 6912 CONECT 6912 6911 6913 CONECT 6913 6897 6902 6912 CONECT 6914 6915 6916 6917 6922 CONECT 6915 6914 CONECT 6916 6914 CONECT 6917 6914 6919 CONECT 6918 6919 6942 CONECT 6919 6917 6918 6920 6921 CONECT 6920 6919 CONECT 6921 6919 CONECT 6922 6914 6923 CONECT 6923 6922 6924 CONECT 6924 6923 6925 6926 CONECT 6925 6924 6930 CONECT 6926 6924 6927 6928 CONECT 6927 6926 CONECT 6928 6926 6929 6930 CONECT 6929 6928 CONECT 6930 6925 6928 6931 CONECT 6931 6930 6932 6941 CONECT 6932 6931 6933 CONECT 6933 6932 6934 CONECT 6934 6933 6935 6941 CONECT 6935 6934 6936 6937 CONECT 6936 6935 CONECT 6937 6935 6938 CONECT 6938 6937 6939 6940 CONECT 6939 6938 CONECT 6940 6938 6941 CONECT 6941 6931 6934 6940 CONECT 6942 6918 6943 CONECT 6943 6942 6944 6945 CONECT 6944 6943 6960 CONECT 6945 6943 6946 6947 CONECT 6946 6945 CONECT 6947 6945 6948 6949 CONECT 6948 6866 6947 CONECT 6949 6947 6950 6960 CONECT 6950 6949 6951 CONECT 6951 6950 6952 6958 CONECT 6952 6951 6953 6954 CONECT 6953 6952 CONECT 6954 6952 6955 CONECT 6955 6954 6956 6957 CONECT 6956 6955 CONECT 6957 6955 6958 CONECT 6958 6951 6957 6959 CONECT 6959 6958 6960 CONECT 6960 6944 6949 6959 MASTER 290 0 4 36 31 0 0 6 6959 1 108 72 END