ID A0A0L0HSA9_SPIPD Unreviewed; 304 AA.
AC A0A0L0HSA9;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Ubiquinone biosynthesis O-methyltransferase, mitochondrial {ECO:0000256|HAMAP-Rule:MF_03190};
DE AltName: Full=3-demethylubiquinol 3-O-methyltransferase {ECO:0000256|HAMAP-Rule:MF_03190};
DE EC=2.1.1.64 {ECO:0000256|HAMAP-Rule:MF_03190};
DE AltName: Full=Polyprenyldihydroxybenzoate methyltransferase {ECO:0000256|HAMAP-Rule:MF_03190};
DE EC=2.1.1.114 {ECO:0000256|HAMAP-Rule:MF_03190};
GN Name=COQ3 {ECO:0000256|HAMAP-Rule:MF_03190};
GN ORFNames=SPPG_01246 {ECO:0000313|EMBL:KND03790.1};
OS Spizellomyces punctatus (strain DAOM BR117).
OC Eukaryota; Fungi; Fungi incertae sedis; Chytridiomycota;
OC Chytridiomycota incertae sedis; Chytridiomycetes; Spizellomycetales;
OC Spizellomycetaceae; Spizellomyces.
OX NCBI_TaxID=645134 {ECO:0000313|EMBL:KND03790.1, ECO:0000313|Proteomes:UP000053201};
RN [1] {ECO:0000313|EMBL:KND03790.1, ECO:0000313|Proteomes:UP000053201}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DAOM BR117 {ECO:0000313|EMBL:KND03790.1,
RC ECO:0000313|Proteomes:UP000053201};
RG The Broad Institute Genome Sequencing Platform;
RA Russ C., Cuomo C., Shea T., Young S.K., Zeng Q., Koehrsen M., Haas B.,
RA Borodovsky M., Guigo R., Alvarado L., Berlin A., Bochicchio J.,
RA Borenstein D., Chapman S., Chen Z., Engels R., Freedman E., Gellesch M.,
RA Goldberg J., Griggs A., Gujja S., Heiman D., Hepburn T., Howarth C.,
RA Jen D., Larson L., Lewis B., Mehta T., Park D., Pearson M., Roberts A.,
RA Saif S., Shenoy N., Sisk P., Stolte C., Sykes S., Thomson T., Walk T.,
RA White J., Yandava C., Burger G., Gray M.W., Holland P.W.H., King N.,
RA Lang F.B.F., Roger A.J., Ruiz-Trillo I., Lander E., Nusbaum C.;
RT "The Genome Sequence of Spizellomyces punctatus strain DAOM BR117.";
RL Submitted (AUG-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: O-methyltransferase that catalyzes the 2 O-methylation steps
CC in the ubiquinone biosynthetic pathway. {ECO:0000256|HAMAP-
CC Rule:MF_03190}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3,4-dihydroxy-5-all-trans-polyprenylbenzoate + S-adenosyl-L-
CC methionine = 3-methoxy,4-hydroxy-5-all-trans-polyprenylbenzoate +
CC H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:44452, Rhea:RHEA-
CC COMP:10930, Rhea:RHEA-COMP:10931, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:64694,
CC ChEBI:CHEBI:84443; EC=2.1.1.114; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03190};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 3-demethylubiquinol + S-adenosyl-L-methionine = a ubiquinol
CC + H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:44380, Rhea:RHEA-
CC COMP:9566, Rhea:RHEA-COMP:10914, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17976, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:84422; EC=2.1.1.64; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03190};
CC -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_03190}.
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_03190}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane {ECO:0000256|HAMAP-
CC Rule:MF_03190}; Peripheral membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_03190}; Matrix side {ECO:0000256|HAMAP-Rule:MF_03190}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. UbiG/COQ3 family. {ECO:0000256|HAMAP-Rule:MF_03190}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; KQ257451; KND03790.1; -; Genomic_DNA.
DR RefSeq; XP_016611829.1; XM_016749574.1.
DR AlphaFoldDB; A0A0L0HSA9; -.
DR STRING; 645134.A0A0L0HSA9; -.
DR GeneID; 27684925; -.
DR VEuPathDB; FungiDB:SPPG_01246; -.
DR eggNOG; KOG1270; Eukaryota.
DR InParanoid; A0A0L0HSA9; -.
DR OMA; LASRWWD; -.
DR OrthoDB; 1459at2759; -.
DR UniPathway; UPA00232; -.
DR Proteomes; UP000053201; Unassembled WGS sequence.
DR GO; GO:0031314; C:extrinsic component of mitochondrial inner membrane; IEA:UniProtKB-UniRule.
DR GO; GO:0008425; F:2-polyprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity; IEA:InterPro.
DR GO; GO:0061542; F:3-demethylubiquinol-n 3-O-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004395; F:hexaprenyldihydroxybenzoate methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006744; P:ubiquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_00472; UbiG; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR010233; UbiG_MeTrfase.
DR NCBIfam; TIGR01983; UbiG; 1.
DR PANTHER; PTHR43464; METHYLTRANSFERASE; 1.
DR PANTHER; PTHR43464:SF19; UBIQUINONE BIOSYNTHESIS O-METHYLTRANSFERASE, MITOCHONDRIAL; 1.
DR Pfam; PF13489; Methyltransf_23; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Membrane {ECO:0000256|HAMAP-Rule:MF_03190};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_03190}; Mitochondrion {ECO:0000256|HAMAP-Rule:MF_03190};
KW Mitochondrion inner membrane {ECO:0000256|HAMAP-Rule:MF_03190};
KW Reference proteome {ECO:0000313|Proteomes:UP000053201};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_03190};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_03190}; Ubiquinone {ECO:0000313|EMBL:KND03790.1};
KW Ubiquinone biosynthesis {ECO:0000256|ARBA:ARBA00022688, ECO:0000256|HAMAP-
KW Rule:MF_03190}.
FT BINDING 65
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03190"
FT BINDING 97
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03190"
FT BINDING 118
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03190"
FT BINDING 167
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03190"
SQ SEQUENCE 304 AA; 33683 MW; A6FAA3C161AF7D7A CRC64;
MHHQRTLTRL FGRRLTHRKP PQYGSIRSVT STVDQAEIAK FARAADDWWN PGGEFAMLHR
MNPVRVGYVR DMLEHVGKGD GTSAAKPFTG LRFLDIGCGG GLLSEALVRL GATVVGADAA
EENIHMARIH AAQDPTLQFG RGSFEYRHTT AEQLAEDGEK FDAVCALEII EHVVDPQEFI
RVCGQLVKPN GLIFCSTINR TPTSYLFTIL LAEHLLRWVP PGTHEHAKYV TPEEMQRFLT
GAGCEVLDIK GMSFNPASNQ WSLLSGRGLG DLQMNYIVSA RKMVAEEQVR PEPVDSSEGQ
EGSR
//
