ID   NIFN_KLEPN              Reviewed;         461 AA.
AC   P08738;
DT   01-AUG-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1988, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=Nitrogenase iron-molybdenum cofactor biosynthesis protein NifN;
GN   Name=nifN;
OS   Klebsiella pneumoniae.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=573;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3062178; DOI=10.1016/0022-2836(88)90205-7;
RA   Arnold W., Rump A., Klipp W., Priefer U.B., Puehler A.;
RT   "Nucleotide sequence of a 24,206-base-pair DNA fragment carrying the entire
RT   nitrogen fixation gene cluster of Klebsiella pneumoniae.";
RL   J. Mol. Biol. 203:715-738(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3290850; DOI=10.1093/nar/16.11.5215;
RA   Setterquist R.A., Brigle K.E., Beynon J., Cannon M., Ally A., Cannon F.,
RA   Dean D.R.;
RT   "Nucleotide sequence of the nifE and nifN genes from Klebsiella
RT   pneumoniae.";
RL   Nucleic Acids Res. 16:5215-5215(1988).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 455-461.
RX   PubMed=3054814; DOI=10.1093/nar/16.20.9860;
RA   Beynon J., Cannon M., Banan-Wollaston V., Ally A., Sutterquist R.,
RA   Cannon F.;
RT   "The nucleotide sequence of the nifT, nifY, nifX and nifW genes of K.
RT   pneumoniae.";
RL   Nucleic Acids Res. 16:9860-9860(1988).
CC   -!- FUNCTION: This protein may play a role in the biosynthesis of the
CC       prosthetic group of nitrogenase (FeMo cofactor).
CC   -!- PATHWAY: Cofactor biosynthesis; Fe-Mo cofactor biosynthesis.
CC   -!- SIMILARITY: Belongs to the NifD/NifK/NifE/NifN family. {ECO:0000305}.
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DR   EMBL; X07294; CAA30273.1; -; Genomic_DNA.
DR   EMBL; X13303; CAA31672.1; -; Genomic_DNA.
DR   EMBL; X12600; CAA31115.1; -; Genomic_DNA.
DR   PIR; S01840; S01840.
DR   AlphaFoldDB; P08738; -.
DR   SMR; P08738; -.
DR   UniPathway; UPA00782; -.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016163; F:nitrogenase activity; IEA:InterPro.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   GO; GO:0065003; P:protein-containing complex assembly; IEA:InterPro.
DR   CDD; cd01966; Nitrogenase_NifN_1; 1.
DR   InterPro; IPR000510; Nase/OxRdtase_comp1.
DR   InterPro; IPR000318; Nase_comp1_CS.
DR   InterPro; IPR005975; Nase_Mo-Fe_CF.
DR   Pfam; PF00148; Oxidored_nitro; 1.
DR   TIGRFAMs; TIGR01285; nifN; 1.
DR   PROSITE; PS00699; NITROGENASE_1_1; 1.
PE   3: Inferred from homology;
KW   Metal-binding; Nitrogen fixation.
FT   CHAIN           1..461
FT                   /note="Nitrogenase iron-molybdenum cofactor biosynthesis
FT                   protein NifN"
FT                   /id="PRO_0000153129"
FT   REGION          441..461
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         44
FT                   /ligand="[7Fe-Mo-9S-C-homocitryl] cluster"
FT                   /ligand_id="ChEBI:CHEBI:30409"
FT                   /ligand_note="cofactor"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   461 AA;  50568 MW;  919B4686EC052098 CRC64;
     MADIFRTDKP LAVSPIKTGQ PLGAILASLG IEHSIPLVHG AQGCSAFAKV FFIQHFHDPV
     PLQSTAMDPT STIMGADGNI FTALDTLCQR NNPQAIVLLS TGLSEAQGSD ISRVVRQFRE
     EYPRHKGVAI LTVNTPDFYG SMENGFSAVL ESVIEQWVPP APRPAQRNRR VNLLVSHLCS
     PGDIEWLRRC VEAFGLQPII LPDLAQSMDG HLAQGDFSPL TQGGTPLRQI EQMGQSLCSF
     AIGVSLHRAS SLLAPRCRGE VIALPHLMTL ERCDAFIHQL AKISGRAVPE WLERQRGQLQ
     DAMIDCHMWL QGQRMAIAAE GDLLAAWCDF ANSQGMQPGP LVAPTGHPSL RQLPVERVVP
     GDLEDLQTLL CAHPADLLVA NSHARDLAEQ FALPLVRAGF PLFDKLGEFR RVRQGYSGMR
     DTLFELANLI RERHHHLAHY RSPLRQNPES SLSTGGAYAA D