ID UBIE_RHOP2 Reviewed; 253 AA.
AC Q2J2H9;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 07-MAR-2006, sequence version 1.
DT 27-MAR-2024, entry version 104.
DE RecName: Full=Ubiquinone/menaquinone biosynthesis C-methyltransferase UbiE {ECO:0000255|HAMAP-Rule:MF_01813};
DE EC=2.1.1.163 {ECO:0000255|HAMAP-Rule:MF_01813};
DE EC=2.1.1.201 {ECO:0000255|HAMAP-Rule:MF_01813};
DE AltName: Full=2-methoxy-6-polyprenyl-1,4-benzoquinol methylase {ECO:0000255|HAMAP-Rule:MF_01813};
DE AltName: Full=Demethylmenaquinone methyltransferase {ECO:0000255|HAMAP-Rule:MF_01813};
GN Name=ubiE {ECO:0000255|HAMAP-Rule:MF_01813}; OrderedLocusNames=RPB_0620;
OS Rhodopseudomonas palustris (strain HaA2).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Rhodopseudomonas.
OX NCBI_TaxID=316058;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HaA2;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Pelletier D.A.,
RA Kyrpides N., Anderson I., Oda Y., Harwood C.S., Richardson P.;
RT "Complete sequence of Rhodopseudomonas palustris HaA2.";
RL Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Methyltransferase required for the conversion of
CC demethylmenaquinol (DMKH2) to menaquinol (MKH2) and the conversion of
CC 2-polyprenyl-6-methoxy-1,4-benzoquinol (DDMQH2) to 2-polyprenyl-3-
CC methyl-6-methoxy-1,4-benzoquinol (DMQH2). {ECO:0000255|HAMAP-
CC Rule:MF_01813}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2-demethylmenaquinol + S-adenosyl-L-methionine = a
CC menaquinol + H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:42640,
CC Rhea:RHEA-COMP:9539, Rhea:RHEA-COMP:9563, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:18151, ChEBI:CHEBI:55437, ChEBI:CHEBI:57856,
CC ChEBI:CHEBI:59789; EC=2.1.1.163; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01813};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2-methoxy-6-all-trans-polyprenyl-1,4-benzoquinol + S-
CC adenosyl-L-methionine = a 6-methoxy-3-methyl-2-all-trans-polyprenyl-
CC 1,4-benzoquinol + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:28286, Rhea:RHEA-COMP:10858, Rhea:RHEA-COMP:10859,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:84166, ChEBI:CHEBI:84167; EC=2.1.1.201;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01813};
CC -!- PATHWAY: Quinol/quinone metabolism; menaquinone biosynthesis;
CC menaquinol from 1,4-dihydroxy-2-naphthoate: step 2/2.
CC {ECO:0000255|HAMAP-Rule:MF_01813}.
CC -!- PATHWAY: Cofactor biosynthesis; ubiquinone biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_01813}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. MenG/UbiE family. {ECO:0000255|HAMAP-Rule:MF_01813}.
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DR EMBL; CP000250; ABD05331.1; -; Genomic_DNA.
DR RefSeq; WP_011439521.1; NC_007778.1.
DR AlphaFoldDB; Q2J2H9; -.
DR SMR; Q2J2H9; -.
DR STRING; 316058.RPB_0620; -.
DR KEGG; rpb:RPB_0620; -.
DR eggNOG; COG2226; Bacteria.
DR HOGENOM; CLU_037990_0_0_5; -.
DR OrthoDB; 9808140at2; -.
DR UniPathway; UPA00079; UER00169.
DR UniPathway; UPA00232; -.
DR Proteomes; UP000008809; Chromosome.
DR GO; GO:0043333; F:2-octaprenyl-6-methoxy-1,4-benzoquinone methylase activity; IEA:UniProtKB-EC.
DR GO; GO:0043770; F:demethylmenaquinone methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0102094; F:S-adenosylmethionine:2-demethylmenaquinol methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0102955; F:S-adenosylmethionine:2-demethylmenaquinol-7 methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0102027; F:S-adenosylmethionine:2-demethylquinol-8 methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0009060; P:aerobic respiration; IEA:UniProtKB-UniRule.
DR GO; GO:0009234; P:menaquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006744; P:ubiquinone biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_01813; MenG_UbiE_methyltr; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR004033; UbiE/COQ5_MeTrFase.
DR InterPro; IPR023576; UbiE/COQ5_MeTrFase_CS.
DR NCBIfam; TIGR01934; MenG_MenH_UbiE; 1.
DR PANTHER; PTHR43591:SF24; 2-METHOXY-6-POLYPRENYL-1,4-BENZOQUINOL METHYLASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43591; METHYLTRANSFERASE; 1.
DR Pfam; PF01209; Ubie_methyltran; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS51608; SAM_MT_UBIE; 1.
DR PROSITE; PS01183; UBIE_1; 1.
DR PROSITE; PS01184; UBIE_2; 1.
PE 3: Inferred from homology;
KW Menaquinone biosynthesis; Methyltransferase; S-adenosyl-L-methionine;
KW Transferase; Ubiquinone biosynthesis.
FT CHAIN 1..253
FT /note="Ubiquinone/menaquinone biosynthesis C-
FT methyltransferase UbiE"
FT /id="PRO_1000056283"
FT BINDING 76
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT BINDING 97
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT BINDING 125..126
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
SQ SEQUENCE 253 AA; 28246 MW; CBFE05EB77797B0D CRC64;
MTEPGQTTHF GYRDVPLQDK QTLVNDVFHS VASRYDLMND LMSGGMHRLW KDVMITTLNP
PRDDQPFRLL DVAGGTGDIS FRAAKASGAG FQATVCDINT DMLEVGRQRA VERHLDGQVE
FVEGNAEALQ FPDKSYDAYT IAFGIRNVPR IDLALKEAHR VLKPGSRFLC LEFSSVDVPG
LAKIYDLFSF KVIPQIGRVV TGDAESYQYL VESIRKFPKP ADFGEMMREA GFARVNWQVL
SGGIVALHSG WRL
//
