ID   NIFN_RHOCA              Reviewed;         461 AA.
AC   P19077;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Nitrogenase iron-molybdenum cofactor biosynthesis protein NifN;
GN   Name=nifN;
OS   Rhodobacter capsulatus (Rhodopseudomonas capsulata).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Rhodobacter.
OX   NCBI_TaxID=1061;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2747620; DOI=10.1007/bf00334376;
RA   Moreno-Vivian C., Schmehl M., Masepohl B., Arnold W., Klipp W.;
RT   "DNA sequence and genetic analysis of the Rhodobacter capsulatus nifENX
RT   gene region: homology between NifX and NifB suggests involvement of NifX in
RT   processing of the iron-molybdenum cofactor.";
RL   Mol. Gen. Genet. 216:353-363(1989).
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; X17433; CAA35473.1; -; Genomic_DNA.
DR   PIR; JE0030; JE0030.
DR   AlphaFoldDB; P19077; -.
DR   SMR; P19077; -.
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_0000153133"
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;  49451 MW;  13A1F3F3B7D52872 CRC64;
     MAVLTHSRRA LSTNPLKTSA PLGAAMAYLG IEGAVPLFHG AQGCTAFGVV HLVRHFKEAV
     PLQTTAMNEV STILGGGEQI EEAIDNIRKR ANPKFIGIAS TALTETRGED IAGELRAMQV
     RRKDWVGTAV VHVITPDFEG GQQDGWAKAV EAIVAALVPV TAERDPDLRQ VTLLVPSCFT
     TAEIDEAVRM IRAFGLSPIV LPDLSTSLDG HLSDDWSGHS LGGTRLDDIA RIPRSAVTLA
     IGEQMRAAAP MIEDRALVPY RVFQSLTGLK VVDAFVRVLM ELSGMQDPPP STKRDRARMM
     DAALDAHFFT GGLRVAIGAD PDLMFALSTA LVSMGAEIVT AVTTTQNSAL IEKMPCAEVI
     LGDLGDVERG AGQAEAQILI THSHGRHAAA ALHLPLVRAG FPIFDRIGAQ DTCRIGYRGT
     RAFFFEIANA MQAIHHRPRP EDFGAAPIPQ EFDHVPHPAP C