ID   COWN_MAGMM              Reviewed;          99 AA.
AC   A0L6W5;
DT   05-APR-2011, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   25-MAY-2022, entry version 55.
DE   RecName: Full=N(2)-fixation sustaining protein CowN {ECO:0000255|HAMAP-Rule:MF_02117};
DE   AltName: Full=CO weal-nitrogenase {ECO:0000255|HAMAP-Rule:MF_02117};
GN   Name=cowN {ECO:0000255|HAMAP-Rule:MF_02117}; OrderedLocusNames=Mmc1_1197;
OS   Magnetococcus marinus (strain ATCC BAA-1437 / JCM 17883 / MC-1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Magnetococcales;
OC   Magnetococcaceae; Magnetococcus.
OX   NCBI_TaxID=156889;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1437 / JCM 17883 / MC-1;
RX   PubMed=19465526; DOI=10.1128/aem.02874-08;
RA   Schubbe S., Williams T.J., Xie G., Kiss H.E., Brettin T.S., Martinez D.,
RA   Ross C.A., Schuler D., Cox B.L., Nealson K.H., Bazylinski D.A.;
RT   "Complete genome sequence of the chemolithoautotrophic marine magnetotactic
RT   coccus strain MC-1.";
RL   Appl. Environ. Microbiol. 75:4835-4852(2009).
CC   -!- FUNCTION: Is required to sustain N(2)-dependent growth in the presence
CC       of low levels of carbon monoxide (CO). Probably acts by protecting the
CC       N(2) fixation ability of the nitrogenase complex, which is inactivated
CC       in the presence of CO. {ECO:0000255|HAMAP-Rule:MF_02117}.
CC   -!- SIMILARITY: Belongs to the CowN family. {ECO:0000255|HAMAP-
CC       Rule:MF_02117}.
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DR   EMBL; CP000471; ABK43708.1; -; Genomic_DNA.
DR   RefSeq; WP_011712863.1; NC_008576.1.
DR   AlphaFoldDB; A0L6W5; -.
DR   STRING; 156889.Mmc1_1197; -.
DR   PRIDE; A0L6W5; -.
DR   EnsemblBacteria; ABK43708; ABK43708; Mmc1_1197.
DR   KEGG; mgm:Mmc1_1197; -.
DR   HOGENOM; CLU_149349_0_0_5; -.
DR   OrthoDB; 1880419at2; -.
DR   Proteomes; UP000002586; Chromosome.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_02117; CowN; 1.
DR   InterPro; IPR024899; CowN.
PE   3: Inferred from homology;
KW   Nitrogen fixation; Reference proteome.
FT   CHAIN           1..99
FT                   /note="N(2)-fixation sustaining protein CowN"
FT                   /id="PRO_0000407259"
SQ   SEQUENCE   99 AA;  11227 MW;  675EA342400F6089 CRC64;
     MNTPAARPDR YQSFAHIPCD AMALKLLTHL EQLLQAEDTL EPFWQLFLQK AAIAKQPQPG
     QADALKLICS NSYYIFDLFA AQQDQAGEAM MDELEYQCC