ID C5MER6_CANTT Unreviewed; 479 AA.
AC C5MER6;
DT 28-JUL-2009, integrated into UniProtKB/TrEMBL.
DT 28-JUL-2009, sequence version 1.
DT 27-MAR-2024, entry version 58.
DE RecName: Full=Ubiquinone biosynthesis monooxygenase COQ6, mitochondrial {ECO:0000256|HAMAP-Rule:MF_03193};
DE EC=1.14.13.- {ECO:0000256|HAMAP-Rule:MF_03193};
GN Name=COQ6 {ECO:0000256|HAMAP-Rule:MF_03193};
GN ORFNames=CTRG_04559 {ECO:0000313|EMBL:EER31776.1};
OS Candida tropicalis (strain ATCC MYA-3404 / T1) (Yeast).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Debaryomycetaceae; Candida/Lodderomyces clade; Candida.
OX NCBI_TaxID=294747 {ECO:0000313|EMBL:EER31776.1, ECO:0000313|Proteomes:UP000002037};
RN [1] {ECO:0000313|EMBL:EER31776.1, ECO:0000313|Proteomes:UP000002037}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC MYA-3404 / T1 {ECO:0000313|Proteomes:UP000002037};
RX PubMed=19465905; DOI=10.1038/nature08064;
RA Butler G., Rasmussen M.D., Lin M.F., Santos M.A., Sakthikumar S.,
RA Munro C.A., Rheinbay E., Grabherr M., Forche A., Reedy J.L., Agrafioti I.,
RA Arnaud M.B., Bates S., Brown A.J., Brunke S., Costanzo M.C.,
RA Fitzpatrick D.A., de Groot P.W., Harris D., Hoyer L.L., Hube B., Klis F.M.,
RA Kodira C., Lennard N., Logue M.E., Martin R., Neiman A.M., Nikolaou E.,
RA Quail M.A., Quinn J., Santos M.C., Schmitzberger F.F., Sherlock G.,
RA Shah P., Silverstein K.A., Skrzypek M.S., Soll D., Staggs R.,
RA Stansfield I., Stumpf M.P., Sudbery P.E., Srikantha T., Zeng Q., Berman J.,
RA Berriman M., Heitman J., Gow N.A., Lorenz M.C., Birren B.W., Kellis M.,
RA Cuomo C.A.;
RT "Evolution of pathogenicity and sexual reproduction in eight Candida
RT genomes.";
RL Nature 459:657-662(2009).
CC -!- FUNCTION: FAD-dependent monooxygenase required for the C5-ring
CC hydroxylation during ubiquinone biosynthesis. Catalyzes the
CC hydroxylation of 3-polyprenyl-4-hydroxybenzoic acid to 3-
CC polyprenyl-4,5-dihydroxybenzoic acid. The electrons required for the
CC hydroxylation reaction may be funneled indirectly from NADPH via a
CC ferredoxin/ferredoxin reductase system to COQ6. {ECO:0000256|HAMAP-
CC Rule:MF_03193}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-hydroxy-3-all-trans-hexaprenylbenzoate + 2 H(+) + O2 + 2
CC reduced [2Fe-2S]-[ferredoxin] = 3,4-dihydroxy-5-all-trans-
CC hexaprenylbenzoate + H2O + 2 oxidized [2Fe-2S]-[ferredoxin];
CC Xref=Rhea:RHEA:20361, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:58373,
CC ChEBI:CHEBI:84492; Evidence={ECO:0000256|HAMAP-Rule:MF_03193};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|HAMAP-Rule:MF_03193};
CC -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_03193}.
CC -!- SUBUNIT: Component of a multi-subunit COQ enzyme complex, composed of
CC at least COQ3, COQ4, COQ5, COQ6, COQ7 and COQ9. {ECO:0000256|HAMAP-
CC Rule:MF_03193}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane {ECO:0000256|HAMAP-
CC Rule:MF_03193}; Peripheral membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_03193}; Matrix side {ECO:0000256|HAMAP-Rule:MF_03193}.
CC -!- SIMILARITY: Belongs to the UbiH/COQ6 family.
CC {ECO:0000256|ARBA:ARBA00005349, ECO:0000256|HAMAP-Rule:MF_03193}.
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DR EMBL; GG692400; EER31776.1; -; Genomic_DNA.
DR RefSeq; XP_002550261.1; XM_002550215.1.
DR AlphaFoldDB; C5MER6; -.
DR STRING; 294747.C5MER6; -.
DR EnsemblFungi; CTRG_04559-t43_1; CTRG_04559-t43_1-p1; CTRG_04559.
DR GeneID; 8301090; -.
DR KEGG; ctp:CTRG_04559; -.
DR VEuPathDB; FungiDB:CTRG_04559; -.
DR eggNOG; KOG3855; Eukaryota.
DR HOGENOM; CLU_009665_8_0_1; -.
DR OrthoDB; 5473786at2759; -.
DR UniPathway; UPA00232; -.
DR Proteomes; UP000002037; Unassembled WGS sequence.
DR GO; GO:0031314; C:extrinsic component of mitochondrial inner membrane; IEA:UniProtKB-UniRule.
DR GO; GO:0008681; F:2-octaprenyl-6-methoxyphenol hydroxylase activity; IEA:InterPro.
DR GO; GO:0106364; F:4-hydroxy-3-all-trans-hexaprenylbenzoate oxygenase activity; IEA:EnsemblFungi.
DR GO; GO:0071949; F:FAD binding; IEA:InterPro.
DR GO; GO:0016709; F:oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen; IEA:InterPro.
DR GO; GO:0006744; P:ubiquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 2.
DR HAMAP; MF_03193; COQ6_monooxygenase; 1.
DR InterPro; IPR002938; FAD-bd.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR018168; Ubi_Hdrlase_CS.
DR InterPro; IPR010971; UbiH/COQ6.
DR InterPro; IPR000689; UbQ_mOase_COQ6.
DR NCBIfam; TIGR01988; Ubi-OHases; 1.
DR PANTHER; PTHR43876; UBIQUINONE BIOSYNTHESIS MONOOXYGENASE COQ6, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43876:SF7; UBIQUINONE BIOSYNTHESIS MONOOXYGENASE COQ6, MITOCHONDRIAL; 1.
DR Pfam; PF01494; FAD_binding_3; 1.
DR PRINTS; PR00420; RNGMNOXGNASE.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR PROSITE; PS01304; UBIH; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|HAMAP-Rule:MF_03193};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|HAMAP-
KW Rule:MF_03193}; Membrane {ECO:0000256|HAMAP-Rule:MF_03193};
KW Mitochondrion {ECO:0000256|HAMAP-Rule:MF_03193};
KW Mitochondrion inner membrane {ECO:0000256|ARBA:ARBA00022792,
KW ECO:0000256|HAMAP-Rule:MF_03193};
KW Monooxygenase {ECO:0000256|ARBA:ARBA00023033, ECO:0000256|HAMAP-
KW Rule:MF_03193};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_03193}; Reference proteome {ECO:0000313|Proteomes:UP000002037};
KW Ubiquinone biosynthesis {ECO:0000256|ARBA:ARBA00022688, ECO:0000256|HAMAP-
KW Rule:MF_03193}.
FT DOMAIN 339..404
FT /note="FAD-binding"
FT /evidence="ECO:0000259|Pfam:PF01494"
SQ SEQUENCE 479 AA; 53502 MW; 0CF07F4FCCC05776 CRC64;
MFPRFIRTLA TTTKQDVVII GGGPAGLTLL SALKTSPKTK HLKCTLVEGF SLDNVRKFQT
DPPETYTNRV VSVTPKSIEF MQNRIGSWDF IHENRVKEYD GIIAYDSQDA DSRIEFDVTS
IGKGVLAAMI EVINIQSSLL AKIESLDDET TTIKDNTKVV EIINPNEPDL DNHDLNEIDE
KVGDSELDWP IVKLSNGETI QTRLLVGADG YNSPVRKYAH IESRGWQYDR FGVVATVKMQ
YEDFRSVGWQ RFLTTGPLAI LPLTEDNATI VWSSTPELAN ILLKVNEKIF PHLVTAAMVL
EEVDLNYIYK VLDENPDDFS VLKDIEWRLS KFNTEELEEK YPLPVVEVLS GSRARFPLKM
SHADTYVAPR VALIGDAAHT IHPLAGQGLN MGQSDVAALV EALEKGMDRG MDIGSTLVLE
EYVANAWPAN HAMLGICDKL HKVFSTDFYP LVWARGFGMK SINSLGSLKD FMMKSISGR
//
