COQ3_SCHPO
ID COQ3_SCHPO Reviewed; 274 AA.
AC O74421;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 11-JUL-2012, sequence version 2.
DT 03-AUG-2022, entry version 147.
DE RecName: Full=Ubiquinone biosynthesis O-methyltransferase, mitochondrial {ECO:0000255|HAMAP-Rule:MF_03190};
DE AltName: Full=3-demethylubiquinol 3-O-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03190};
DE EC=2.1.1.64 {ECO:0000255|HAMAP-Rule:MF_03190};
DE AltName: Full=Polyprenyldihydroxybenzoate methyltransferase {ECO:0000255|HAMAP-Rule:MF_03190};
DE EC=2.1.1.114 {ECO:0000255|HAMAP-Rule:MF_03190};
DE Flags: Precursor;
GN Name=coq3 {ECO:0000255|HAMAP-Rule:MF_03190}; ORFNames=SPCC162.05;
OS Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC Schizosaccharomycetes; Schizosaccharomycetales; Schizosaccharomycetaceae;
OC Schizosaccharomyces.
OX NCBI_TaxID=284812;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=972 / ATCC 24843;
RX PubMed=11859360; DOI=10.1038/nature724;
RA Wood V., Gwilliam R., Rajandream M.A., Lyne M.H., Lyne R., Stewart A.,
RA Sgouros J.G., Peat N., Hayles J., Baker S.G., Basham D., Bowman S.,
RA Brooks K., Brown D., Brown S., Chillingworth T., Churcher C.M., Collins M.,
RA Connor R., Cronin A., Davis P., Feltwell T., Fraser A., Gentles S.,
RA Goble A., Hamlin N., Harris D.E., Hidalgo J., Hodgson G., Holroyd S.,
RA Hornsby T., Howarth S., Huckle E.J., Hunt S., Jagels K., James K.D.,
RA Jones L., Jones M., Leather S., McDonald S., McLean J., Mooney P.,
RA Moule S., Mungall K.L., Murphy L.D., Niblett D., Odell C., Oliver K.,
RA O'Neil S., Pearson D., Quail M.A., Rabbinowitsch E., Rutherford K.M.,
RA Rutter S., Saunders D., Seeger K., Sharp S., Skelton J., Simmonds M.N.,
RA Squares R., Squares S., Stevens K., Taylor K., Taylor R.G., Tivey A.,
RA Walsh S.V., Warren T., Whitehead S., Woodward J.R., Volckaert G., Aert R.,
RA Robben J., Grymonprez B., Weltjens I., Vanstreels E., Rieger M.,
RA Schaefer M., Mueller-Auer S., Gabel C., Fuchs M., Duesterhoeft A.,
RA Fritzc C., Holzer E., Moestl D., Hilbert H., Borzym K., Langer I., Beck A.,
RA Lehrach H., Reinhardt R., Pohl T.M., Eger P., Zimmermann W., Wedler H.,
RA Wambutt R., Purnelle B., Goffeau A., Cadieu E., Dreano S., Gloux S.,
RA Lelaure V., Mottier S., Galibert F., Aves S.J., Xiang Z., Hunt C.,
RA Moore K., Hurst S.M., Lucas M., Rochet M., Gaillardin C., Tallada V.A.,
RA Garzon A., Thode G., Daga R.R., Cruzado L., Jimenez J., Sanchez M.,
RA del Rey F., Benito J., Dominguez A., Revuelta J.L., Moreno S.,
RA Armstrong J., Forsburg S.L., Cerutti L., Lowe T., McCombie W.R.,
RA Paulsen I., Potashkin J., Shpakovski G.V., Ussery D., Barrell B.G.,
RA Nurse P.;
RT "The genome sequence of Schizosaccharomyces pombe.";
RL Nature 415:871-880(2002).
RN [2]
RP REVISION OF GENE MODEL.
RX PubMed=21511999; DOI=10.1126/science.1203357;
RA Rhind N., Chen Z., Yassour M., Thompson D.A., Haas B.J., Habib N.,
RA Wapinski I., Roy S., Lin M.F., Heiman D.I., Young S.K., Furuya K., Guo Y.,
RA Pidoux A., Chen H.M., Robbertse B., Goldberg J.M., Aoki K., Bayne E.H.,
RA Berlin A.M., Desjardins C.A., Dobbs E., Dukaj L., Fan L., FitzGerald M.G.,
RA French C., Gujja S., Hansen K., Keifenheim D., Levin J.Z., Mosher R.A.,
RA Mueller C.A., Pfiffner J., Priest M., Russ C., Smialowska A., Swoboda P.,
RA Sykes S.M., Vaughn M., Vengrova S., Yoder R., Zeng Q., Allshire R.,
RA Baulcombe D., Birren B.W., Brown W., Ekwall K., Kellis M., Leatherwood J.,
RA Levin H., Margalit H., Martienssen R., Nieduszynski C.A., Spatafora J.W.,
RA Friedman N., Dalgaard J.Z., Baumann P., Niki H., Regev A., Nusbaum C.;
RT "Comparative functional genomics of the fission yeasts.";
RL Science 332:930-936(2011).
RN [3]
RP SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS].
RX PubMed=16823372; DOI=10.1038/nbt1222;
RA Matsuyama A., Arai R., Yashiroda Y., Shirai A., Kamata A., Sekido S.,
RA Kobayashi Y., Hashimoto A., Hamamoto M., Hiraoka Y., Horinouchi S.,
RA Yoshida M.;
RT "ORFeome cloning and global analysis of protein localization in the fission
RT yeast Schizosaccharomyces pombe.";
RL Nat. Biotechnol. 24:841-847(2006).
RN [4]
RP DISRUPTION PHENOTYPE.
RX PubMed=18808426; DOI=10.1111/j.1742-4658.2008.06661.x;
RA Miki R., Saiki R., Ozoe Y., Kawamukai M.;
RT "Comparison of a coq7 deletion mutant with other respiration-defective
RT mutants in fission yeast.";
RL FEBS J. 275:5309-5324(2008).
CC -!- FUNCTION: O-methyltransferase that catalyzes the 2 O-methylation steps
CC in the ubiquinone biosynthetic pathway. {ECO:0000255|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:0000255|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:0000255|HAMAP-
CC Rule:MF_03190};
CC -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC {ECO:0000255|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:0000255|HAMAP-
CC Rule:MF_03190}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_03190}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_03190}; Matrix side {ECO:0000255|HAMAP-Rule:MF_03190,
CC ECO:0000269|PubMed:16823372}.
CC -!- DISRUPTION PHENOTYPE: Leads to respiration deficiency.
CC {ECO:0000269|PubMed:18808426}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. UbiG/COQ3 family. {ECO:0000255|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; CU329672; CAA19585.2; -; Genomic_DNA.
DR PIR; T41026; T41026.
DR RefSeq; NP_588239.2; NM_001023229.2.
DR AlphaFoldDB; O74421; -.
DR SMR; O74421; -.
DR BioGRID; 275354; 1.
DR STRING; 4896.SPCC162.05.1; -.
DR SwissPalm; O74421; -.
DR MaxQB; O74421; -.
DR PaxDb; O74421; -.
DR EnsemblFungi; SPCC162.05.1; SPCC162.05.1:pep; SPCC162.05.
DR GeneID; 2538771; -.
DR KEGG; spo:SPCC162.05; -.
DR PomBase; SPCC162.05; coq3.
DR VEuPathDB; FungiDB:SPCC162.05; -.
DR eggNOG; KOG1270; Eukaryota.
DR HOGENOM; CLU_042432_3_1_1; -.
DR InParanoid; O74421; -.
DR OMA; RGTHDWE; -.
DR Reactome; R-SPO-2142789; Ubiquinol biosynthesis.
DR UniPathway; UPA00232; -.
DR PRO; PR:O74421; -.
DR Proteomes; UP000002485; Chromosome III.
DR GO; GO:0031314; C:extrinsic component of mitochondrial inner membrane; IEA:UniProtKB-UniRule.
DR GO; GO:0005739; C:mitochondrion; IDA:PomBase.
DR GO; GO:0008425; F:2-polyprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity; IEA:InterPro.
DR GO; GO:0044596; F:3-demethylubiquinol-10 3-O-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008689; F:3-demethylubiquinone-9 3-O-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0044595; F:decaprenyldihydroxybenzoate methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004395; F:hexaprenyldihydroxybenzoate methyltransferase activity; ISS:PomBase.
DR GO; GO:0008168; F:methyltransferase activity; IBA:GO_Central.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006744; P:ubiquinone biosynthetic process; IMP:PomBase.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_00472; UbiG; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR010233; UbiG_MeTrfase.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR01983; UbiG; 1.
PE 3: Inferred from homology;
KW Membrane; Methyltransferase; Mitochondrion; Mitochondrion inner membrane;
KW Reference proteome; S-adenosyl-L-methionine; Transferase; Transit peptide;
KW Ubiquinone biosynthesis.
FT TRANSIT 1..30
FT /note="Mitochondrion"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03190"
FT CHAIN 31..274
FT /note="Ubiquinone biosynthesis O-methyltransferase,
FT mitochondrial"
FT /id="PRO_0000035931"
FT BINDING 65
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03190"
FT BINDING 88
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03190"
FT BINDING 109
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03190"
FT BINDING 154
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03190"
SQ SEQUENCE 274 AA; 30827 MW; 152CEC61E9F02797 CRC64;
MNSMNILNKV KNVKSYTRLV RQGFLSQQRN HSVSVNEVDH FNELAKTWWD WDGGSRLLHL
MNSTRLDFMT EVFRERNCFS GKKILDIGCG GGILSESMAR LGASVTAVDA SPMAIEVAKK
HASLDPVLNG RLEYIHGSVE GSQLPTTFDV VTCMEVLEHV EQPRDFLFSL MEKVKPNGRL
VLSTISRTLL ARLLTITLAE HVLRIVPVGT HTFEKFIRAD ELSNFLKEQN WIINDIRGVC
YNPLKQQWTL DKPGSSGLGL SCNYFLSAQK PMSA
