ID   FIXA_AZOC5              Reviewed;         281 AA.
AC   P26482; A8IIT5;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=Protein FixA;
GN   Name=fixA; OrderedLocusNames=AZC_3447;
OS   Azorhizobium caulinodans (strain ATCC 43989 / DSM 5975 / JCM 20966 / LMG
OS   6465 / NBRC 14845 / NCIMB 13405 / ORS 571).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Xanthobacteraceae; Azorhizobium.
OX   NCBI_TaxID=438753;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1850088; DOI=10.1007/bf00261695;
RA   Arigoni F., Kaminski P.A., Hennecke H., Elmerich C.;
RT   "Nucleotide sequence of the fixABC region of Azorhizobium caulinodans
RT   ORS571: similarity of the fixB product with eukaryotic flavoproteins,
RT   characterization of fixX, and identification of nifW.";
RL   Mol. Gen. Genet. 225:514-520(1991).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43989 / DSM 5975 / JCM 20966 / LMG 6465 / NBRC 14845 / NCIMB
RC   13405 / ORS 571;
RA   Lee K.B., Backer P.D., Aono T., Liu C.T., Suzuki S., Suzuki T., Kaneko T.,
RA   Yamada M., Tabata S., Kupfer D.M., Najar F.Z., Wiley G.B., Roe B.,
RA   Binnewies T., Ussery D., Vereecke D., Gevers D., Holsters M., Oyaizu H.;
RT   "Complete genome sequence of the nitrogen-fixing bacterium Azorhizobium
RT   caulinodans ORS571.";
RL   Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-34.
RX   PubMed=3216855; DOI=10.1007/bf00330486;
RA   Kaminski P.A., Norel F., Desnoues N., Kush A., Salzano G., Elmerich C.;
RT   "Characterization of the fixABC region of Azorhizobium caulinodans ORS571
RT   and identification of a new nitrogen fixation gene.";
RL   Mol. Gen. Genet. 214:496-502(1988).
CC   -!- FUNCTION: May play a role in a redox process involved in nitrogen
CC       fixation.
CC   -!- SUBUNIT: FixA and FixB form a heterodimer. {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the ETF beta-subunit/FixA family. {ECO:0000305}.
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DR   EMBL; X55450; CAA39091.1; -; Genomic_DNA.
DR   EMBL; AP009384; BAF89445.1; -; Genomic_DNA.
DR   EMBL; M35122; AAA26189.1; -; Genomic_DNA.
DR   PIR; S14070; S14070.
DR   RefSeq; WP_012171970.1; NC_009937.1.
DR   AlphaFoldDB; P26482; -.
DR   SMR; P26482; -.
DR   STRING; 438753.AZC_3447; -.
DR   EnsemblBacteria; BAF89445; BAF89445; AZC_3447.
DR   KEGG; azc:AZC_3447; -.
DR   eggNOG; COG2086; Bacteria.
DR   HOGENOM; CLU_060196_2_1_5; -.
DR   OMA; ADLNEWD; -.
DR   OrthoDB; 1027643at2; -.
DR   Proteomes; UP000000270; Chromosome.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   CDD; cd01714; ETF_beta; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   InterPro; IPR000049; ET-Flavoprotein_bsu_CS.
DR   InterPro; IPR014730; ETF_a/b_N.
DR   InterPro; IPR012255; ETF_b.
DR   InterPro; IPR033948; ETF_beta_N.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   PANTHER; PTHR21294; PTHR21294; 1.
DR   Pfam; PF01012; ETF; 1.
DR   PIRSF; PIRSF000090; Beta-ETF; 1.
DR   SMART; SM00893; ETF; 1.
DR   PROSITE; PS01065; ETF_BETA; 1.
PE   3: Inferred from homology;
KW   Electron transport; Nitrogen fixation; Reference proteome; Transport.
FT   CHAIN           1..281
FT                   /note="Protein FixA"
FT                   /id="PRO_0000167885"
SQ   SEQUENCE   281 AA;  30111 MW;  25E951FDBFBA840B CRC64;
     MHIVVCIKQV PDSAQIRVHP VTNTIMRQGV PTIINPYDLF ALEAALALRD QHGGEVTVLT
     MGPPSAEDSL RKALTFGADR AVLLTDRFFA GSDTLATTYA LATAVRKIGE TFGAPDIVFT
     GKQTIDGDTA QVGPGIAKRL GLLQLTYVAK IANVDLAGRS IQVERRSEGG VQVLQTRLPC
     LITMLEATNE IRRGAMADAL RAARAEVVIW SAKDAGVEDI SKCGLRGSPT IVKRVFAPSA
     RAEKATMVDF SETAPADALI AEIFKRQPKL EDDLAALARG Y