ID   NIFU_AZOCH              Reviewed;         309 AA.
AC   P23121;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Nitrogen fixation protein NifU;
GN   Name=nifU;
OS   Azotobacter chroococcum mcd 1.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Azotobacter.
OX   NCBI_TaxID=355;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1885524; DOI=10.1128/jb.173.17.5457-5469.1991;
RA   Evans D.J., Jones R., Woodley P.R., Wilborn J.R., Robson R.L.;
RT   "Nucleotide sequence and genetic analysis of the Azotobacter chroococcum
RT   nifUSVWZM gene cluster, including a new gene (nifP) which encodes a serine
RT   acetyltransferase.";
RL   J. Bacteriol. 173:5457-5469(1991).
CC   -!- FUNCTION: May be involved in the formation or repair of [Fe-S] clusters
CC       present in iron-sulfur proteins. {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the NifU family. {ECO:0000305}.
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DR   EMBL; M60090; AAA22159.1; -; Genomic_DNA.
DR   PIR; A43706; A43706.
DR   AlphaFoldDB; P23121; -.
DR   SMR; P23121; -.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0051536; F:iron-sulfur cluster binding; IEA:InterPro.
DR   GO; GO:0016226; P:iron-sulfur cluster assembly; IEA:InterPro.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   CDD; cd06664; IscU_like; 1.
DR   Gene3D; 1.10.10.1100; -; 1.
DR   Gene3D; 3.30.300.130; -; 1.
DR   InterPro; IPR007419; BFD-like_2Fe2S-bd_dom.
DR   InterPro; IPR041854; BFD-like_2Fe2S-bd_dom_sf.
DR   InterPro; IPR034904; FSCA_dom_sf.
DR   InterPro; IPR016217; N_fixation_NifU.
DR   InterPro; IPR010238; NIF_FeS_clus_asmbl_NifU.
DR   InterPro; IPR001075; NIF_FeS_clus_asmbl_NifU_C.
DR   InterPro; IPR002871; NIF_FeS_clus_asmbl_NifU_N.
DR   PANTHER; PTHR10093; PTHR10093; 1.
DR   Pfam; PF04324; Fer2_BFD; 1.
DR   Pfam; PF01106; NifU; 1.
DR   Pfam; PF01592; NifU_N; 1.
DR   PIRSF; PIRSF000375; NifU; 1.
DR   SUPFAM; SSF117916; SSF117916; 1.
DR   TIGRFAMs; TIGR02000; NifU_proper; 1.
PE   3: Inferred from homology;
KW   Nitrogen fixation.
FT   CHAIN           1..309
FT                   /note="Nitrogen fixation protein NifU"
FT                   /id="PRO_0000166167"
SQ   SEQUENCE   309 AA;  33933 MW;  49B058607445957B CRC64;
     MWDYSEKVKE HFYNPKNAGA VEGANAIGDV GSLSCGDRLR LTLKVDPETD VILDAGFQTF
     GCGSAIASSS ALTEMVKGAD LDDALKISNR DIAHFLGRLP REKMHCSVMG RERLQAAVAN
     YRGEELRTDH EKPQLICKSF AIDEVMVRDT IRANKLSTVE DVTKHTKRGG GCSACHEGIE
     RVLSEELAPV ARSSSCADQG QEEVKVLAPS RLRSWPRRLR ATPKLSNLQR IRRIETVLAA
     IRPTLQRDKG DVELIDVDGK NIYVKLTGAC TGCQMASMTL GGIQQRLIEE LGEFVKVIPV
     SAGPRQMEV