ID   COWN_RHOVT              Reviewed;          88 AA.
AC   E3I7Z1;
DT   05-APR-2011, integrated into UniProtKB/Swiss-Prot.
DT   11-JAN-2011, sequence version 1.
DT   25-MAY-2022, entry version 44.
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=Rvan_1593;
OS   Rhodomicrobium vannielii (strain ATCC 17100 / ATH 3.1.1 / DSM 162 / LMG
OS   4299).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Hyphomicrobiaceae; Rhodomicrobium.
OX   NCBI_TaxID=648757;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17100 / ATH 3.1.1 / DSM 162 / LMG 4299;
RX   PubMed=21705585; DOI=10.1128/jb.05453-11;
RG   US DOE Joint Genome Institute;
RA   Brown P.J., Kysela D.T., Buechlein A., Hemmerich C., Brun Y.V.;
RT   "Genome sequences of eight morphologically diverse alphaproteobacteria.";
RL   J. Bacteriol. 193:4567-4568(2011).
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; CP002292; ADP70845.1; -; Genomic_DNA.
DR   RefSeq; WP_013419241.1; NC_014664.1.
DR   AlphaFoldDB; E3I7Z1; -.
DR   EnsemblBacteria; ADP70845; ADP70845; Rvan_1593.
DR   KEGG; rva:Rvan_1593; -.
DR   eggNOG; ENOG5032TZQ; Bacteria.
DR   HOGENOM; CLU_149349_0_0_5; -.
DR   OMA; KNADWEG; -.
DR   OrthoDB; 1880419at2; -.
DR   Proteomes; UP000001399; 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..88
FT                   /note="N(2)-fixation sustaining protein CowN"
FT                   /id="PRO_0000407266"
SQ   SEQUENCE   88 AA;  10403 MW;  67815982237AC6A4 CRC64;
     MSEQIDRYVS FKNIDCNARA GQMMDALQPY IQAAENPFWA YFQQKRAEFN AKGYDDLRVL
     HNYLPTLKEL IEDDELLAQL EDLEYTCM