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Database: UniProt
Entry: FIXB_ECO81
LinkDB: FIXB_ECO81
Original site: FIXB_ECO81 
ID   FIXB_ECO81              Reviewed;         313 AA.
AC   B7MNP9;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   27-MAR-2024, entry version 73.
DE   RecName: Full=Protein FixB {ECO:0000255|HAMAP-Rule:MF_01056};
GN   Name=fixB {ECO:0000255|HAMAP-Rule:MF_01056}; OrderedLocusNames=ECED1_0041;
OS   Escherichia coli O81 (strain ED1a).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585397;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ED1a;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928162; CAR06264.1; -; Genomic_DNA.
DR   RefSeq; WP_001091515.1; NC_011745.1.
DR   AlphaFoldDB; B7MNP9; -.
DR   SMR; B7MNP9; -.
DR   KEGG; ecq:ECED1_0041; -.
DR   HOGENOM; CLU_034178_0_1_6; -.
DR   UniPathway; UPA00117; -.
DR   Proteomes; UP000000748; Chromosome.
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; HUPs; 1.
DR   Gene3D; 3.40.50.1220; TPP-binding domain; 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; ELECTRON TRANSFER FLAVOPROTEIN ALPHA; 1.
DR   PANTHER; PTHR43153:SF5; PROTEIN FIXB-RELATED; 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; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
DR   SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 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_1000149640"
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;  33484 MW;  674555420038E3B3 CRC64;
     MNTFSQVWVF SDTPSRLPEL MNGAQALANQ INTFVLNDAD GAQAIQLGAN HVWKLSGKPD
     ERMIEDYAGV MADTIRQHGA DGLVLLPNTR RGKLLAAKLG YRLNAAVSND ASAVSVQDGK
     ATVKHMVYGG LAIGEERIAT PYAVLTISSG TFDVAQPDAS RTGETHTVEW QAPAVAITRT
     ATQARQSNSV DLDKARLVVS VGRGIGSKEN IALAEQLCKA IGAELACSRP VAENEKWMEH
     ERYVGISNLM LKPELYLAVG ISGQIQHMVG ANASQTIFAI NKDKNAPIFQ YADYGIVGDA
     VKILPALTAA LAR
//
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