ID F0XE53_GROCL Unreviewed; 507 AA.
AC F0XE53;
DT 03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2011, sequence version 1.
DT 27-MAR-2024, entry version 44.
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=CMQ_408 {ECO:0000313|EMBL:EFX03480.1};
OS Grosmannia clavigera (strain kw1407 / UAMH 11150) (Blue stain fungus)
OS (Graphiocladiella clavigera).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Sordariomycetidae; Ophiostomatales; Ophiostomataceae; Leptographium.
OX NCBI_TaxID=655863 {ECO:0000313|Proteomes:UP000007796};
RN [1] {ECO:0000313|EMBL:EFX03480.1, ECO:0000313|Proteomes:UP000007796}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=kw1407 / UAMH 11150 {ECO:0000313|Proteomes:UP000007796};
RX PubMed=21262841; DOI=10.1073/pnas.1011289108;
RA DiGuistini S., Wang Y., Liao N.Y., Taylor G., Tanguay P., Feau N.,
RA Henrissat B., Chan S.K., Hesse-Orce U., Alamouti S.M., Tsui C.K.M.,
RA Docking R.T., Levasseur A., Haridas S., Robertson G., Birol I., Holt R.A.,
RA Marra M.A., Hamelin R.C., Hirst M., Jones S.J.M., Bohlmann J., Breuil C.;
RT "Genome and transcriptome analyses of the mountain pine beetle-fungal
RT symbiont Grosmannia clavigera, a lodgepole pine pathogen.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:2504-2509(2011).
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; GL629765; EFX03480.1; -; Genomic_DNA.
DR RefSeq; XP_014172962.1; XM_014317487.1.
DR AlphaFoldDB; F0XE53; -.
DR STRING; 655863.F0XE53; -.
DR GeneID; 25977251; -.
DR eggNOG; KOG3855; Eukaryota.
DR HOGENOM; CLU_009665_8_0_1; -.
DR InParanoid; F0XE53; -.
DR OrthoDB; 5473786at2759; -.
DR UniPathway; UPA00232; -.
DR Proteomes; UP000007796; 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:RHEA.
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; 2.
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:UP000007796};
KW Ubiquinone {ECO:0000313|EMBL:EFX03480.1};
KW Ubiquinone biosynthesis {ECO:0000256|ARBA:ARBA00022688, ECO:0000256|HAMAP-
KW Rule:MF_03193}.
FT DOMAIN 53..354
FT /note="FAD-binding"
FT /evidence="ECO:0000259|Pfam:PF01494"
FT DOMAIN 374..454
FT /note="FAD-binding"
FT /evidence="ECO:0000259|Pfam:PF01494"
SQ SEQUENCE 507 AA; 54453 MW; 3BD4BD4133B26A94 CRC64;
MMFGRTTTAR FVRRNCTRQF EINGQRQGQL WQYRRQFASA AGNAGTAKAD DIYDVVCVGG
GPAGLSLLTA LRANPVTAGL RLALVEAQDL DQLRAYSPAP EKFANRCSSL TPSSARYLDR
IGAWTHMRRE RVQAYEAMRV WDGVSGARIA FDQPVGATMP SDTGSTVAYM VENSNLTAGL
LSRLDELGGV AVFDGARVDS IEYGKADDGL DLSEWPAVRV SGGKTLLARL LVGADGANSP
VRTFADIEAC GWYYGRHGVV ATLELDEDSA ILGAGRKTAY QRFLPTGPVA MLPLPGRLAT
LVWSTTPERA ARLRSLAPDD FVALVNAAFR LRPVELTYLH GQPSGQVDEV AWRLQQEGGG
VPDVADMPPH VVGVQAGTVA SFPLRMRHAD AYVGERVALV GDAAHTVHPL AGQGLNQGQG
DVESLARAIA YAVAHGQDLG VRSSLEPYPA ERYAANHVLL GVCDKLHKLY VVENGPLVPL
RSWGLRAVDA LQPVKAFLMR QAAGGTR
//
