ID A0A2K6CPV4_MACNE Unreviewed; 308 AA.
AC A0A2K6CPV4;
DT 28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT 28-MAR-2018, sequence version 1.
DT 27-MAR-2024, entry version 31.
DE RecName: Full=Transmembrane ascorbate-dependent reductase CYB561 {ECO:0000256|ARBA:ARBA00024231};
DE AltName: Full=Cytochrome b-561 {ECO:0000256|ARBA:ARBA00030896};
DE AltName: Full=Cytochrome b561 {ECO:0000256|ARBA:ARBA00032709};
GN Name=CYB561 {ECO:0000313|Ensembl:ENSMNEP00000025726.1};
OS Macaca nemestrina (Pig-tailed macaque).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini;
OC Cercopithecidae; Cercopithecinae; Macaca.
OX NCBI_TaxID=9545 {ECO:0000313|Ensembl:ENSMNEP00000025726.1, ECO:0000313|Proteomes:UP000233120};
RN [1] {ECO:0000313|Ensembl:ENSMNEP00000025726.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
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 -!- SUBCELLULAR LOCATION: Cytoplasmic vesicle, secretory vesicle,
CC chromaffin granule membrane {ECO:0000256|ARBA:ARBA00024185}; Multi-pass
CC membrane protein {ECO:0000256|ARBA:ARBA00024185}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
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DR AlphaFoldDB; A0A2K6CPV4; -.
DR STRING; 9545.ENSMNEP00000025726; -.
DR Ensembl; ENSMNET00000050002.1; ENSMNEP00000025726.1; ENSMNEG00000036313.1.
DR GeneTree; ENSGT00950000183197; -.
DR Proteomes; UP000233120; Unplaced.
DR Bgee; ENSMNEG00000036313; Expressed in heart and 5 other cell types or tissues.
DR GO; GO:0042584; C:chromaffin granule membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0140575; F:transmembrane monodehydroascorbate reductase activity; IEA:Ensembl.
DR GO; GO:0140576; P:ascorbate homeostasis; IEA:Ensembl.
DR GO; GO:0006879; P:intracellular iron ion homeostasis; IEA:Ensembl.
DR CDD; cd08763; Cyt_b561_CYB561; 1.
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:SF14; TRANSMEMBRANE ASCORBATE-DEPENDENT REDUCTASE CYB561; 1.
DR Pfam; PF03188; Cytochrom_B561; 1.
DR SMART; SM00665; B561; 1.
DR PROSITE; PS50939; CYTOCHROME_B561; 1.
PE 4: Predicted;
KW Cytoplasmic vesicle {ECO:0000256|ARBA:ARBA00023329};
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 Reference proteome {ECO:0000313|Proteomes:UP000233120};
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 72..94
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 114..132
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 144..163
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 183..205
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 217..236
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 256..276
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 76..277
FT /note="Cytochrome b561"
FT /evidence="ECO:0000259|PROSITE:PS50939"
SQ SEQUENCE 308 AA; 33703 MW; 1556CD3FD26C13CF CRC64;
MKQKRKPGTG PMRSLELGVS FLAPSPHMEL LVSCPRSRLS LWGDLGPLPV DDGVCLSMEG
GSAASTPAAL PYYVAFSQLL GLTLVAMTGA WLGLYRGGIA WESDLQFNAH PLCMVIGLVF
LQGDALLVYR VFRNEAKRTT KVLHGLLHVF ALVIALVGLV AVFDYHRKKG YADLYSLHSW
CGILVFGLYF VQWLVGFSFF LFPGAPFSLR SRYRPQHIFF GATIFLLSVG TALLGLKEAL
LFNLGDKYSA FEPEGVLANV LGLLLACFGG AVLYILTRAD WKRPSQAEEQ ALSMDFKTLT
EGDSPGSQ
//
