ID   FIXB_ECO5E              Reviewed;         313 AA.
AC   B5YYD6;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Protein FixB {ECO:0000255|HAMAP-Rule:MF_01056};
GN   Name=fixB {ECO:0000255|HAMAP-Rule:MF_01056};
GN   OrderedLocusNames=ECH74115_0046;
OS   Escherichia coli O157:H7 (strain EC4115 / EHEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=444450;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=EC4115 / EHEC;
RX   PubMed=22135463; DOI=10.1073/pnas.1107176108;
RA   Eppinger M., Mammel M.K., Leclerc J.E., Ravel J., Cebula T.A.;
RT   "Genomic anatomy of Escherichia coli O157:H7 outbreaks.";
RL   Proc. Natl. Acad. Sci. U.S.A. 108:20142-20147(2011).
CC   -!- FUNCTION: Required for anaerobic carnitine reduction. May bring
CC       reductant to CaiA. {ECO:0000255|HAMAP-Rule:MF_01056}.
CC   -!- PATHWAY: Amine and polyamine metabolism; carnitine metabolism.
CC       {ECO:0000255|HAMAP-Rule:MF_01056}.
CC   -!- SUBUNIT: Heterodimer of FixA and FixB. {ECO:0000255|HAMAP-
CC       Rule:MF_01056}.
CC   -!- SIMILARITY: Belongs to the ETF alpha-subunit/FixB family.
CC       {ECO:0000255|HAMAP-Rule:MF_01056}.
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DR   EMBL; CP001164; ACI39205.1; -; Genomic_DNA.
DR   RefSeq; WP_001091483.1; NC_011353.1.
DR   AlphaFoldDB; B5YYD6; -.
DR   SMR; B5YYD6; -.
DR   KEGG; ecf:ECH74115_0046; -.
DR   HOGENOM; CLU_034178_0_1_6; -.
DR   OMA; RYVFGNK; -.
DR   UniPathway; UPA00117; -.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR   GO; GO:0009437; P:carnitine metabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_01056; FixB; 1.
DR   InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR   InterPro; IPR014730; ETF_a/b_N.
DR   InterPro; IPR001308; ETF_a/FixB.
DR   InterPro; IPR014731; ETF_asu_C.
DR   InterPro; IPR018206; ETF_asu_C_CS.
DR   InterPro; IPR023461; FixB.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   PANTHER; PTHR43153; PTHR43153; 1.
DR   Pfam; PF01012; ETF; 1.
DR   Pfam; PF00766; ETF_alpha; 1.
DR   PIRSF; PIRSF000089; Electra_flavoP_a; 1.
DR   SMART; SM00893; ETF; 1.
DR   SUPFAM; SSF52467; SSF52467; 1.
DR   PROSITE; PS00696; ETF_ALPHA; 1.
PE   3: Inferred from homology;
KW   Electron transport; FAD; Flavoprotein; Transport.
FT   CHAIN           1..313
FT                   /note="Protein FixB"
FT                   /id="PRO_1000136328"
FT   BINDING         255..283
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01056"
SQ   SEQUENCE   313 AA;  33513 MW;  18ACFEC6F634F6BD CRC64;
     MNTFSQVWVF SDTPSRLPEL MNGAQALANQ INAFVLNDAD GAQAIQLGAN HVWKLNGKPD
     DRMIEDYASV MADTIRQHGA DGLVLLPNTR RGKLLAAKLG YRLKAAVSND ASTVSVQDGK
     ATVKHMVYGG LAIGEERIAT PYAVLTISSG TFDAAQPDAS RTGETHTVEW QAPAVAITRT
     ATQARQSNSV DLDKARLVVS VGRGIGSKEN IALAEQLCKA IGAELACSRP VAENEKWMEH
     ERYVGISNLM LKPELYLAVG ISGQIQHMVG ANASQTIFAI NKDKNAPIFQ YADYGIVGDA
     VKILPALTAA LAR