ID   UBIG_BARHE              Reviewed;         247 AA.
AC   Q6G5K3;
DT   04-JAN-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   16-JUN-2009, entry version 30.
DE   RecName: Full=3-demethylubiquinone-9 3-methyltransferase;
DE            EC=2.1.1.64;
DE   AltName: Full=3,4-dihydroxy-5-hexaprenylbenzoate methyltransferase;
DE            Short=DHHB methyltransferase;
GN   Name=ubiG; OrderedLocusNames=BH04020;
OS   Bartonella henselae (Rochalimaea henselae).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales;
OC   Bartonellaceae; Bartonella.
OX   NCBI_TaxID=38323;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49882 / Houston 1;
RX   PubMed=15210978; DOI=10.1073/pnas.0305659101;
RA   Alsmark U.C.M., Frank A.C., Karlberg E.O., Legault B.-A., Ardell D.H.,
RA   Canbaeck B., Eriksson A.-S., Naeslund A.K., Handley S.A., Huvet M.,
RA   La Scola B., Holmberg M., Andersson S.G.E.;
RT   "The louse-borne human pathogen Bartonella quintana is a genomic
RT   derivative of the zoonotic agent Bartonella henselae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9716-9721(2004).
CC   -!- CATALYTIC ACTIVITY: S-adenosyl-L-methionine + 3-
CC       demethylubiquinone-9 = S-adenosyl-L-homocysteine + ubiquinone-9.
CC   -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily.
CC       UbiG/COQ3 family.
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DR   EMBL; BX897699; CAF27211.1; -; Genomic_DNA.
DR   RefSeq; YP_033242.1; -.
DR   GeneID; 2864849; -.
DR   GenomeReviews; BX897699_GR; BH04020.
DR   KEGG; bhe:BH04020; -.
DR   NMPDR; fig|283166.1.peg.370; -.
DR   HOGENOM; Q6G5K3; -.
DR   OMA; Q6G5K3; IRDAACR.
DR   BioCyc; BHEN283166:BH04020-MON; -.
DR   BRENDA; 2.1.1.64; 277357.
DR   GO; GO:0008425; F:2-polyprenyl-6-methoxy-1,4-benzoquinone met...; IEA:InterPro.
DR   GO; GO:0008689; F:3-demethylubiquinone-9 3-O-methyltransferas...; IEA:HAMAP.
DR   GO; GO:0006744; P:ubiquinone biosynthetic process; IEA:HAMAP.
DR   HAMAP; MF_00472; -; 1.
DR   InterPro; IPR013216; Methyltransf_11.
DR   InterPro; IPR010233; UbiG_MeTrfase.
DR   Pfam; PF08241; Methyltransf_11; 1.
DR   TIGRFAMs; TIGR01983; UbiG; 1.
PE   3: Inferred from homology;
KW   Complete proteome; Methyltransferase; S-adenosyl-L-methionine;
KW   Transferase; Ubiquinone biosynthesis.
FT   CHAIN         1    247       3-demethylubiquinone-9 3-
FT                                methyltransferase.
FT                                /FTId=PRO_0000193366.
SQ   SEQUENCE   247 AA;  27985 MW;  E135826B535ACE3B CRC64;
     MINETRTTLD QSEVDHFSRI AAEWWNPHGK FRPLHQFNPT RLAYIREKIC LELHRDPVSL
     KPFENLKILD IGCGGGLLCE PMARLGAMVV GADASQTNIE VAKIHAAQNG LSIDYRTTTA
     EALATEGEQF DIILNMEVVE HVADVNLFIE ATAKMLKPQG LMFISTLNRT WKAWGLAIIG
     AEYILRWLPK GTHNYKKFLK PRELKNLLLQ NALTVVDEIG VTYNPLNDSW NRSKDMNVNY
     LLLAKKS
//