UBIG_BURCH
ID UBIG_BURCH Reviewed; 232 AA.
AC A0K5L4;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 12-DEC-2006, sequence version 1.
DT 03-AUG-2022, entry version 84.
DE RecName: Full=Ubiquinone biosynthesis O-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00472};
DE AltName: Full=2-polyprenyl-6-hydroxyphenol methylase {ECO:0000255|HAMAP-Rule:MF_00472};
DE EC=2.1.1.222 {ECO:0000255|HAMAP-Rule:MF_00472};
DE AltName: Full=3-demethylubiquinone 3-O-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00472};
DE EC=2.1.1.64 {ECO:0000255|HAMAP-Rule:MF_00472};
GN Name=ubiG {ECO:0000255|HAMAP-Rule:MF_00472};
GN OrderedLocusNames=Bcen2424_1038;
OS Burkholderia cenocepacia (strain HI2424).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX NCBI_TaxID=331272;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HI2424;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Pitluck S., Chain P.,
RA Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., LiPuma J.J., Gonzalez C.F.,
RA Konstantinidis K., Tiedje J.M., Richardson P.;
RT "Complete sequence of chromosome 1 of Burkholderia cenocepacia HI2424.";
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: O-methyltransferase that catalyzes the 2 O-methylation steps
CC in the ubiquinone biosynthetic pathway. {ECO:0000255|HAMAP-
CC Rule:MF_00472}.
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_00472};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 3-(all-trans-polyprenyl)benzene-1,2-diol + S-adenosyl-L-
CC methionine = a 2-methoxy-6-(all-trans-polyprenyl)phenol + H(+) + S-
CC adenosyl-L-homocysteine; Xref=Rhea:RHEA:31411, Rhea:RHEA-COMP:9550,
CC Rhea:RHEA-COMP:9551, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856,
CC ChEBI:CHEBI:59789, ChEBI:CHEBI:62729, ChEBI:CHEBI:62731;
CC EC=2.1.1.222; Evidence={ECO:0000255|HAMAP-Rule:MF_00472};
CC -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_00472}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. UbiG/COQ3
CC family. {ECO:0000255|HAMAP-Rule:MF_00472}.
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; CP000458; ABK07791.1; -; Genomic_DNA.
DR RefSeq; WP_006476580.1; NC_008542.1.
DR AlphaFoldDB; A0K5L4; -.
DR SMR; A0K5L4; -.
DR KEGG; bch:Bcen2424_1038; -.
DR HOGENOM; CLU_042432_5_0_4; -.
DR OMA; RGTHDWE; -.
DR OrthoDB; 1515497at2; -.
DR UniPathway; UPA00232; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR GO; GO:0102208; F:2-polyprenyl-6-hydroxyphenol methylase activity; IEA:RHEA.
DR GO; GO:0008425; F:2-polyprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity; IEA:InterPro.
DR GO; GO:0008689; F:3-demethylubiquinone-9 3-O-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 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 Methyltransferase; S-adenosyl-L-methionine; Transferase;
KW Ubiquinone biosynthesis.
FT CHAIN 1..232
FT /note="Ubiquinone biosynthesis O-methyltransferase"
FT /id="PRO_1000013894"
FT BINDING 36
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00472"
FT BINDING 55
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00472"
FT BINDING 76
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00472"
FT BINDING 120
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00472"
SQ SEQUENCE 232 AA; 25211 MW; DA08760A324CDC27 CRC64;
MTNADPHELQ KFSDLAHRWW DPNAEFKPLH DLNPVRLGWI DAHAHLAGKR ALDIGCGGGI
LSESMAGLGA QVKGIDLSTE ALGVADLHSL ESGISVEYEA IAAEAIAARE PGTYDVVTCM
EMLEHVPSPG DIVAACATLV KPGGWVFFST LNRNLKSYLF AVIGAEYIAQ MLPKGTHDYA
RFIRPSELAS FVRATDLHIV EIKGITYHPI GKRFALSNDT DINYLVACRR GA
