ID   COWN_AZOS1              Reviewed;          98 AA.
AC   D3NXD9;
DT   05-APR-2011, integrated into UniProtKB/Swiss-Prot.
DT   20-APR-2010, sequence version 1.
DT   03-AUG-2022, entry version 49.
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=AZL_024300;
OS   Azospirillum sp. (strain B510).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Azospirillaceae; Azospirillum; unclassified Azospirillum.
OX   NCBI_TaxID=137722;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B510;
RX   PubMed=20047946; DOI=10.1093/dnares/dsp026;
RA   Kaneko T., Minamisawa K., Isawa T., Nakatsukasa H., Mitsui H.,
RA   Kawaharada Y., Nakamura Y., Watanabe A., Kawashima K., Ono A., Shimizu Y.,
RA   Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M., Nakazaki N.,
RA   Nakayama S., Yamada M., Tabata S., Sato S.;
RT   "Complete genomic structure of the cultivated rice endophyte Azospirillum
RT   sp. B510.";
RL   DNA Res. 17:37-50(2010).
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; AP010946; BAI73068.1; -; Genomic_DNA.
DR   RefSeq; WP_012974992.1; NC_013854.1.
DR   AlphaFoldDB; D3NXD9; -.
DR   STRING; 137722.AZL_024300; -.
DR   EnsemblBacteria; BAI73068; BAI73068; AZL_024300.
DR   KEGG; azl:AZL_024300; -.
DR   HOGENOM; CLU_149349_0_0_5; -.
DR   OrthoDB; 1880419at2; -.
DR   Proteomes; UP000002040; 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.
FT   CHAIN           1..98
FT                   /note="N(2)-fixation sustaining protein CowN"
FT                   /id="PRO_0000407251"
SQ   SEQUENCE   98 AA;  11371 MW;  F8728822BE77173D CRC64;
     MDSFDAPDRY VSFKGIDCEG NSRRIIDRLH MHIDDPAKTN AFWERFRAKL AIAEDPLKRQ
     ADGLCLLCAN IYYIADLFEE HDDEDGLAML RQLEDECC