ID   NIFU_TRIAZ              Reviewed;         300 AA.
AC   Q43885;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Nitrogen fixation protein NifU;
GN   Name=nifU;
OS   Trichormus azollae (Anabaena azollae).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=1164;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=1a;
RX   PubMed=7496536; DOI=10.1099/13500872-141-9-2235;
RA   Jackman D.M., Mulligan M.E.;
RT   "Characterization of a nitrogen-fixation (nif) gene cluster from Anabaena
RT   azollae 1a shows that closely related cyanobacteria have highly variable
RT   but structured intergenic regions.";
RL   Microbiology 141:2235-2244(1995).
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; L34879; AAA87250.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q43885; -.
DR   SMR; Q43885; -.
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..300
FT                   /note="Nitrogen fixation protein NifU"
FT                   /id="PRO_0000166171"
FT   REGION          201..220
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   300 AA;  32120 MW;  3A15B6E36B59E872 CRC64;
     MWDYTDKVLE LFYDPKNQGV IEDNGEPGVK VATGEVGSIA CGDALRLHIK VEVESDKIVD
     SRFQTFGCTS AIASSSALTE MIKGLTLDEA LKVSNKDIAD YLGGLPEAKM HCSVMGQEAL
     EAAIYNYRGI PLATHDDEDE GALVCTCFGV SENKVRRIVI ENDLTSAEQV TNYIKAGGGC
     GSCLAKIDDI IKDVKENKAA TNLNNKGGSK PTNIPNSGQK RPLTNVQKIA LIQKVLDEEV
     RPVLIADGGD VELYDVDGDI VKVVLQGACG SCSSSTATLK IAIESRLRDR INPSLVVEAV