ID   NIFW2_TRIV2             Reviewed;         105 AA.
AC   P46054; Q3M582;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 2.
DT   25-MAY-2022, entry version 100.
DE   RecName: Full=Nitrogenase-stabilizing/protective protein NifW 2;
GN   Name=nifW2; OrderedLocusNames=Ava_4255;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], INDUCTION, AND DEVELOPMENTAL STAGE.
RX   PubMed=7568132; DOI=10.1073/pnas.92.20.9358;
RA   Thiel T., Lyons E.M., Erker J.C., Ernst A.;
RT   "A second nitrogenase in vegetative cells of a heterocyst-forming
RT   cyanobacterium.";
RL   Proc. Natl. Acad. Sci. U.S.A. 92:9358-9362(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 72-105.
RX   PubMed=8709854; DOI=10.1111/j.1365-2958.1995.mmi_18020357.x;
RA   Schrautemeier B., Neveling U., Schmitz S.;
RT   "Distinct and differently regulated Mo-dependent nitrogen-fixing systems
RT   evolved for heterocysts and vegetative cells of Anabaena variabilis ATCC
RT   29413: characterization of the fdxH1/2 gene regions as part of the nif1/2
RT   gene clusters.";
RL   Mol. Microbiol. 18:357-369(1995).
CC   -!- FUNCTION: May protect the nitrogenase Fe-Mo protein from oxidative
CC       damage. {ECO:0000250}.
CC   -!- DEVELOPMENTAL STAGE: Expressed in vegetative cells and heterocysts.
CC       {ECO:0000269|PubMed:7568132}.
CC   -!- INDUCTION: By anaerobic conditions. {ECO:0000269|PubMed:7568132}.
CC   -!- SIMILARITY: Belongs to the NifW family. {ECO:0000305}.
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DR   EMBL; U49859; AAA93028.1; -; Genomic_DNA.
DR   EMBL; Z46890; CAA86988.1; -; Genomic_DNA.
DR   EMBL; CP000117; ABA23854.1; -; Genomic_DNA.
DR   PIR; S70246; S70246.
DR   AlphaFoldDB; P46054; -.
DR   STRING; 240292.Ava_4255; -.
DR   DNASU; 3680903; -.
DR   EnsemblBacteria; ABA23854; ABA23854; Ava_4255.
DR   KEGG; ava:Ava_4255; -.
DR   eggNOG; ENOG50330W8; Bacteria.
DR   HOGENOM; CLU_145318_1_0_3; -.
DR   Proteomes; UP000002533; Chromosome.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00529; NifW; 1.
DR   InterPro; IPR004893; NifW.
DR   Pfam; PF03206; NifW; 1.
DR   PIRSF; PIRSF005790; NifW; 1.
PE   2: Evidence at transcript level;
KW   Nitrogen fixation.
FT   CHAIN           1..105
FT                   /note="Nitrogenase-stabilizing/protective protein NifW 2"
FT                   /id="PRO_0000219524"
SQ   SEQUENCE   105 AA;  12284 MW;  E4F5AA71C843C91D CRC64;
     MTWDIEQFNK LVSAEEYFEF FQLPYDPRVV QVSRLHILKQ FSQSIQEIDA NNSQASQAEK
     LDLYCTALKQ AYEVFLSSTP LEQKLFKVFK QKPKNIVMLT EIATS