ID S9UP55_9TRYP Unreviewed; 221 AA.
AC S9UP55;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=NADH-cytochrome b5 reductase {ECO:0000256|RuleBase:RU361226};
DE EC=1.6.2.2 {ECO:0000256|RuleBase:RU361226};
GN ORFNames=STCU_02791 {ECO:0000313|EMBL:EPY32647.1};
OS Strigomonas culicis.
OC Eukaryota; Discoba; Euglenozoa; Kinetoplastea; Metakinetoplastina;
OC Trypanosomatida; Trypanosomatidae; Strigomonadinae; Strigomonas.
OX NCBI_TaxID=28005 {ECO:0000313|EMBL:EPY32647.1, ECO:0000313|Proteomes:UP000015354};
RN [1] {ECO:0000313|EMBL:EPY32647.1, ECO:0000313|Proteomes:UP000015354}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=23560078;
RA Motta M.C., Martins A.C., de Souza S.S., Catta-Preta C.M., Silva R.,
RA Klein C.C., de Almeida L.G., de Lima Cunha O., Ciapina L.P., Brocchi M.,
RA Colabardini A.C., de Araujo Lima B., Machado C.R., de Almeida Soares C.M.,
RA Probst C.M., de Menezes C.B., Thompson C.E., Bartholomeu D.C., Gradia D.F.,
RA Pavoni D.P., Grisard E.C., Fantinatti-Garboggini F., Marchini F.K.,
RA Rodrigues-Luiz G.F., Wagner G., Goldman G.H., Fietto J.L., Elias M.C.,
RA Goldman M.H., Sagot M.F., Pereira M., Stoco P.H., de Mendonca-Neto R.P.,
RA Teixeira S.M., Maciel T.E., de Oliveira Mendes T.A., Urmenyi T.P.,
RA de Souza W., Schenkman S., de Vasconcelos A.T.;
RT "Predicting the Proteins of Angomonas deanei, Strigomonas culicis and Their
RT Respective Endosymbionts Reveals New Aspects of the Trypanosomatidae
RT Family.";
RL PLoS ONE 8:E60209-E60209(2013).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Fe(III)-[cytochrome b5] + NADH = 2 Fe(II)-[cytochrome b5] +
CC H(+) + NAD(+); Xref=Rhea:RHEA:46680, Rhea:RHEA-COMP:10438, Rhea:RHEA-
CC COMP:10439, ChEBI:CHEBI:15378, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.6.2.2;
CC Evidence={ECO:0000256|ARBA:ARBA00029341,
CC ECO:0000256|RuleBase:RU361226};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|PIRSR:PIRSR601834-1, ECO:0000256|RuleBase:RU361226};
CC -!- SIMILARITY: Belongs to the flavoprotein pyridine nucleotide cytochrome
CC reductase family. {ECO:0000256|RuleBase:RU361226}.
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:EPY32647.1}.
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DR EMBL; ATMH01002791; EPY32647.1; -; Genomic_DNA.
DR AlphaFoldDB; S9UP55; -.
DR EnsemblProtists; EPY32647; EPY32647; STCU_02791.
DR OrthoDB; 979728at2759; -.
DR Proteomes; UP000015354; Unassembled WGS sequence.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-KW.
DR GO; GO:0004128; F:cytochrome-b5 reductase activity, acting on NAD(P)H; IEA:UniProtKB-EC.
DR CDD; cd06183; cyt_b5_reduct_like; 1.
DR Gene3D; 3.40.50.80; Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module; 1.
DR Gene3D; 2.40.30.10; Translation factors; 1.
DR InterPro; IPR001834; CBR-like.
DR InterPro; IPR008333; Cbr1-like_FAD-bd_dom.
DR InterPro; IPR017927; FAD-bd_FR_type.
DR InterPro; IPR001709; Flavoprot_Pyr_Nucl_cyt_Rdtase.
DR InterPro; IPR039261; FNR_nucleotide-bd.
DR InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR PANTHER; PTHR19370; NADH-CYTOCHROME B5 REDUCTASE; 1.
DR PANTHER; PTHR19370:SF171; NADH-CYTOCHROME B5 REDUCTASE-LIKE; 1.
DR Pfam; PF00970; FAD_binding_6; 1.
DR Pfam; PF00175; NAD_binding_1; 1.
DR PRINTS; PR00406; CYTB5RDTASE.
DR PRINTS; PR00371; FPNCR.
DR SUPFAM; SSF52343; Ferredoxin reductase-like, C-terminal NADP-linked domain; 1.
DR SUPFAM; SSF63380; Riboflavin synthase domain-like; 1.
DR PROSITE; PS51384; FAD_FR; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR601834-1};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|PIRSR:PIRSR601834-
KW 1}; NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|RuleBase:RU361226};
KW Oxidoreductase {ECO:0000256|RuleBase:RU361226};
KW Reference proteome {ECO:0000313|Proteomes:UP000015354}.
FT DOMAIN 1..72
FT /note="FAD-binding FR-type"
FT /evidence="ECO:0000259|PROSITE:PS51384"
FT BINDING 21
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 22
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 23
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 38
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 46
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
FT BINDING 47
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR601834-1"
SQ SEQUENCE 221 AA; 25011 MW; 739F7E05C629216C CRC64;
MPVASCVVAK FTDGEGKDVL RPYTPITSQR TKGSFELLVR KYPKGKMGHH LFSMQVGDEL
LMKGPFEKFP YKANMWKHVG MIAGGTGIAP MYQVIQTILE NPKDKTNVSL IFANNQRRDI
LLANELTEMQ KVYNNFHMYL TLLEVPHRWL GGIGYVNKEM IQTFMPKPGE KQTKILICGP
PPMLQAISGD KLFQQGKPPM QGPLAGMLRE LGYTEDQVFK Y
//
