ID G3GUB1_CRIGR Unreviewed; 284 AA.
AC G3GUB1;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=Plasma membrane ascorbate-dependent reductase CYBRD1 {ECO:0000256|ARBA:ARBA00024244};
DE EC=7.2.1.3 {ECO:0000256|ARBA:ARBA00024225};
DE AltName: Full=Cytochrome b reductase 1 {ECO:0000256|ARBA:ARBA00031718};
GN ORFNames=I79_001265 {ECO:0000313|EMBL:EGV95668.1};
OS Cricetulus griseus (Chinese hamster) (Cricetulus barabensis griseus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC Cricetidae; Cricetinae; Cricetulus.
OX NCBI_TaxID=10029 {ECO:0000313|EMBL:EGV95668.1, ECO:0000313|Proteomes:UP000001075};
RN [1] {ECO:0000313|Proteomes:UP000001075}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CHO K1 cell line {ECO:0000313|Proteomes:UP000001075};
RX PubMed=21804562; DOI=10.1038/nbt.1932;
RA Xu X., Nagarajan H., Lewis N.E., Pan S., Cai Z., Liu X., Chen W., Xie M.,
RA Wang W., Hammond S., Andersen M.R., Neff N., Passarelli B., Koh W.,
RA Fan H.C., Wang J., Gui Y., Lee K.H., Betenbaugh M.J., Quake S.R.,
RA Famili I., Palsson B.O., Wang J.;
RT "The genomic sequence of the Chinese hamster ovary (CHO)-K1 cell line.";
RL Nat. Biotechnol. 29:735-741(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Cu(2+)(out) + L-ascorbate(in) = Cu(+)(out) + H(+) +
CC monodehydro-L-ascorbate radical(in); Xref=Rhea:RHEA:66656,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29036, ChEBI:CHEBI:38290,
CC ChEBI:CHEBI:49552, ChEBI:CHEBI:59513;
CC Evidence={ECO:0000256|ARBA:ARBA00024274};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66657;
CC Evidence={ECO:0000256|ARBA:ARBA00024274};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Fe(3+)(out) + L-ascorbate(in) = Fe(2+)(out) + H(+) +
CC monodehydro-L-ascorbate radical(in); Xref=Rhea:RHEA:30403,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034,
CC ChEBI:CHEBI:38290, ChEBI:CHEBI:59513; EC=7.2.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00024157};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:30404;
CC Evidence={ECO:0000256|ARBA:ARBA00024157};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-ascorbate(in) + monodehydro-L-ascorbate radical(out) = L-
CC ascorbate(out) + monodehydro-L-ascorbate radical(in);
CC Xref=Rhea:RHEA:66524, ChEBI:CHEBI:38290, ChEBI:CHEBI:59513;
CC Evidence={ECO:0000256|ARBA:ARBA00024163};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:66525;
CC Evidence={ECO:0000256|ARBA:ARBA00024163};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SUBCELLULAR LOCATION: Apical cell membrane
CC {ECO:0000256|ARBA:ARBA00004424}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004424}. Cell membrane
CC {ECO:0000256|ARBA:ARBA00004651}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004651}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
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DR EMBL; JH000027; EGV95668.1; -; Genomic_DNA.
DR RefSeq; XP_003496001.1; XM_003495953.3.
DR AlphaFoldDB; G3GUB1; -.
DR STRING; 10029.G3GUB1; -.
DR PaxDb; 10029-XP_007609890-1; -.
DR GeneID; 100767807; -.
DR eggNOG; KOG1619; Eukaryota.
DR InParanoid; G3GUB1; -.
DR OrthoDB; 2877457at2759; -.
DR Proteomes; UP000001075; Unassembled WGS sequence.
DR GO; GO:0016324; C:apical plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0140571; F:transmembrane ascorbate ferrireductase activity; IEA:UniProtKB-EC.
DR Gene3D; 1.20.120.1770; -; 1.
DR InterPro; IPR043205; CYB561/CYBRD1-like.
DR InterPro; IPR006593; Cyt_b561/ferric_Rdtase_TM.
DR PANTHER; PTHR10106; CYTOCHROME B561-RELATED; 1.
DR PANTHER; PTHR10106:SF12; PLASMA MEMBRANE ASCORBATE-DEPENDENT REDUCTASE CYBRD1; 1.
DR Pfam; PF03188; Cytochrom_B561; 1.
DR SMART; SM00665; B561; 1.
DR PROSITE; PS50939; CYTOCHROME_B561; 1.
PE 4: Predicted;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Electron transport {ECO:0000256|ARBA:ARBA00022982};
KW Heme {ECO:0000256|ARBA:ARBA00022617}; Iron {ECO:0000256|ARBA:ARBA00022617};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000001075};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|ARBA:ARBA00022448}.
FT TRANSMEM 7..30
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 50..71
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 83..103
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 123..144
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 156..177
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 197..217
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 13..218
FT /note="Cytochrome b561"
FT /evidence="ECO:0000259|PROSITE:PS50939"
FT REGION 242..284
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 284 AA; 31179 MW; D33682D187C60252 CRC64;
MEGYRGFLGL LVSALLVGFL SVIFVLVWVL HYREGLGWDG GALEFNWHPV LAVTGFVFIQ
GIAIIVYRLP WTWKCSKFLM KSIHAGLNAV AAVLAIISVV AVFDYHNVRS IPHMYSLHSW
VGLTAVILYV QQLVLGFLIF LLPWAPLSLR AVVMPIHVYS GLLLFGTVIA TVLMGVTEKL
FFVLKNPSYH SFPPEGVFTN TLGLLILVFG ALIFWIVTRP QWKRPREPGS ILLQPNGGAE
GMQGAMAISS SHSPDSAEAE LSTEGAARKR TLGSLDDAGQ RSTM
//
