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Database: UniProt
Entry: A0A1I3E554_9MICO
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ID   A0A1I3E554_9MICO        Unreviewed;       333 AA.
AC   A0A1I3E554;
DT   22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT   22-NOV-2017, sequence version 1.
DT   24-JAN-2024, entry version 16.
DE   SubName: Full=Electron transfer flavoprotein subunit alpha/FixB family protein {ECO:0000313|EMBL:TFB82424.1};
GN   ORFNames=E3O11_15035 {ECO:0000313|EMBL:TFB82424.1};
OS   Cryobacterium levicorallinum.
OC   Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC   Cryobacterium.
OX   NCBI_TaxID=995038 {ECO:0000313|EMBL:TFB82424.1, ECO:0000313|Proteomes:UP000297963};
RN   [1] {ECO:0000313|EMBL:TFB82424.1, ECO:0000313|Proteomes:UP000297963}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Hh34 {ECO:0000313|EMBL:TFB82424.1,
RC   ECO:0000313|Proteomes:UP000297963};
RA   Liu Q., Xin Y.-H.;
RT   "Genomics of glacier-inhabiting Cryobacterium strains.";
RL   Submitted (MAR-2019) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: The electron transfer flavoprotein serves as a specific
CC       electron acceptor for other dehydrogenases. It transfers the electrons
CC       to the main respiratory chain via ETF-ubiquinone oxidoreductase (ETF
CC       dehydrogenase). {ECO:0000256|ARBA:ARBA00025649}.
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000256|PIRSR:PIRSR000089-1};
CC       Note=Binds 1 FAD per dimer. {ECO:0000256|PIRSR:PIRSR000089-1};
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta subunit.
CC       {ECO:0000256|ARBA:ARBA00011355}.
CC   -!- SIMILARITY: Belongs to the ETF alpha-subunit/FixB family.
CC       {ECO:0000256|ARBA:ARBA00005817}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:TFB82424.1}.
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DR   EMBL; SOFE01000025; TFB82424.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1I3E554; -.
DR   STRING; 995038.SAMN05216274_1236; -.
DR   Proteomes; UP000297963; Unassembled WGS sequence.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   Gene3D; 3.40.50.1220; TPP-binding domain; 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; IPR014729; Rossmann-like_a/b/a_fold.
DR   PANTHER; PTHR43153; ELECTRON TRANSFER FLAVOPROTEIN ALPHA; 1.
DR   PANTHER; PTHR43153:SF1; ELECTRON TRANSFER FLAVOPROTEIN SUBUNIT ALPHA, MITOCHONDRIAL; 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 {ECO:0000256|ARBA:ARBA00022982};
KW   FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000089-1};
KW   Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW   Transport {ECO:0000256|ARBA:ARBA00022448}.
FT   DOMAIN          5..195
FT                   /note="Electron transfer flavoprotein alpha/beta-subunit N-
FT                   terminal"
FT                   /evidence="ECO:0000259|SMART:SM00893"
FT   BINDING         219
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000089-1"
FT   BINDING         244..245
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000089-1"
FT   BINDING         258..262
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000089-1"
FT   BINDING         275..282
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000089-1"
FT   BINDING         296
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000089-1"
SQ   SEQUENCE   333 AA;  34046 MW;  937E168AA78AD59C CRC64;
     MSHIITLIDI TPAGEIANTA AQLLSAAARL GTPVAVAAVR AEITNNRQLV ARISEHLGTL
     GAEQVYLVAS EHVGVIMHWP QLEALATAAT TLAASGVLLC NSIEGREIAG RLAVRLGGTL
     LVDALDVRQD NDRIVATHSI FGGSYLVDAA VTGKPAIVTL RQSTADETPV VQHPVATINI
     LDTDVAGAHS AVIEAFHAVE AGSDRPDLRG ARAVVSGGRG MQSREQFALV EQLAAALGAA
     VGASRAAVDA GFAEQTTQVG QTGVTVSPEL YVALGISGAI QHRAGMQTAS TIVAINTDAN
     APIFDIADFG IVGDVFAVVP QLIAAIAARD SAA
//
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