UBIG_PSEU5
ID UBIG_PSEU5 Reviewed; 232 AA.
AC A4VLX7;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2007, sequence version 1.
DT 03-AUG-2022, entry version 91.
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}; OrderedLocusNames=PST_2323;
OS Pseudomonas stutzeri (strain A1501).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=379731;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A1501;
RX PubMed=18495935; DOI=10.1073/pnas.0801093105;
RA Yan Y., Yang J., Dou Y., Chen M., Ping S., Peng J., Lu W., Zhang W.,
RA Yao Z., Li H., Liu W., He S., Geng L., Zhang X., Yang F., Yu H., Zhan Y.,
RA Li D., Lin Z., Wang Y., Elmerich C., Lin M., Jin Q.;
RT "Nitrogen fixation island and rhizosphere competence traits in the genome
RT of root-associated Pseudomonas stutzeri A1501.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:7564-7569(2008).
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}.
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DR EMBL; CP000304; ABP79978.1; -; Genomic_DNA.
DR RefSeq; WP_011913443.1; NC_009434.1.
DR AlphaFoldDB; A4VLX7; -.
DR SMR; A4VLX7; -.
DR STRING; 379731.PST_2323; -.
DR EnsemblBacteria; ABP79978; ABP79978; PST_2323.
DR KEGG; psa:PST_2323; -.
DR eggNOG; COG2227; Bacteria.
DR HOGENOM; CLU_042432_5_0_6; -.
DR OMA; RGTHDWE; -.
DR UniPathway; UPA00232; -.
DR Proteomes; UP000000233; Chromosome.
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; Reference proteome; S-adenosyl-L-methionine;
KW Transferase; Ubiquinone biosynthesis.
FT CHAIN 1..232
FT /note="Ubiquinone biosynthesis O-methyltransferase"
FT /id="PRO_1000013910"
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; 25654 MW; 1A7E4C77D80F005C CRC64;
MSNVDHAEIA KFEALAHRWW DRESEFKPLH EINPLRVNWI DEHISLAGKK VIDIGCGGGI
LSEAMAQRGA QVTGIDMGEA PLSVARLHLL ESGLEIDYRQ ITAEAMAAEA PEQFDVVTCL
EMLEHVPDPA SVIRACATLV KPGGQVFFST INRNPKAYAF AIIGAEYVLQ LLPRGTHDFK
KFIRPSELGA WSRDAGLAVK DIIGLTYNPL TKHYKLSADV DVNYMVQTVK ES
