ID   FIXA_SINFN              Reviewed;         285 AA.
AC   Q53210;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 114.
DE   RecName: Full=Protein FixA;
GN   Name=fixA; OrderedLocusNames=NGR_a01220; ORFNames=y4vB;
OS   Sinorhizobium fredii (strain NBRC 101917 / NGR234).
OG   Plasmid sym pNGR234a.
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=394;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8796346; DOI=10.1101/gr.6.7.590;
RA   Freiberg C., Perret X., Broughton W.J., Rosenthal A.;
RT   "Sequencing the 500-kb GC-rich symbiotic replicon of Rhizobium sp. NGR234
RT   using dye terminators and a thermostable 'sequenase': a beginning.";
RL   Genome Res. 6:590-600(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 101917 / NGR234;
RX   PubMed=9163424; DOI=10.1038/387394a0;
RA   Freiberg C.A., Fellay R., Bairoch A., Broughton W.J., Rosenthal A.,
RA   Perret X.;
RT   "Molecular basis of symbiosis between Rhizobium and legumes.";
RL   Nature 387:394-401(1997).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 101917 / NGR234;
RX   PubMed=19376903; DOI=10.1128/aem.00515-09;
RA   Schmeisser C., Liesegang H., Krysciak D., Bakkou N., Le Quere A.,
RA   Wollherr A., Heinemeyer I., Morgenstern B., Pommerening-Roeser A.,
RA   Flores M., Palacios R., Brenner S., Gottschalk G., Schmitz R.A.,
RA   Broughton W.J., Perret X., Strittmatter A.W., Streit W.R.;
RT   "Rhizobium sp. strain NGR234 possesses a remarkable number of secretion
RT   systems.";
RL   Appl. Environ. Microbiol. 75:4035-4045(2009).
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; Z68203; CAA92417.1; -; Genomic_DNA.
DR   EMBL; U00090; AAB91890.1; -; Genomic_DNA.
DR   RefSeq; NP_444103.1; NC_000914.2.
DR   RefSeq; WP_010875160.1; NC_000914.2.
DR   AlphaFoldDB; Q53210; -.
DR   SMR; Q53210; -.
DR   STRING; 394.NGR_a01220; -.
DR   EnsemblBacteria; AAB91890; AAB91890; NGR_a01220.
DR   KEGG; rhi:NGR_a01220; -.
DR   PATRIC; fig|394.7.peg.106; -.
DR   eggNOG; COG2086; Bacteria.
DR   HOGENOM; CLU_060196_2_1_5; -.
DR   OMA; ADLNEWD; -.
DR   OrthoDB; 1027643at2; -.
DR   Proteomes; UP000001054; Plasmid sym pNGR234a.
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; Plasmid; Reference proteome;
KW   Transport.
FT   CHAIN           1..285
FT                   /note="Protein FixA"
FT                   /id="PRO_0000167891"
SQ   SEQUENCE   285 AA;  30908 MW;  4255EEF500387E6A CRC64;
     MHIVVCIKQV PDSAQIRVHP VTNTIMRQGV PTIINPYDLF ALEQALQVRD HHGGEVTVLT
     MGPPMAEESL RKALTYGADR AILLTDRHFA GSDTLATSFA LSQAIAKIGN SFGSPDIVFT
     GKQTIDGDTA QVGPGIAKRL DLVQLTYVAK VTSIDLRTRA ITVERRAEGG THVLKSELPC
     LITMLEGSNA IRRGSLDDAL RAARSEIVKW NAVEAGIEDI TKCGLRGSPT VVKRVFAPTP
     REQKAVQIDT VEKAMQDVAN ELVTSIFAHQ PALEHELSST RSVSR