MENG_CHLTE
ID MENG_CHLTE Reviewed; 242 AA.
AC Q8KF69;
DT 10-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 105.
DE RecName: Full=Demethylmenaquinone methyltransferase {ECO:0000255|HAMAP-Rule:MF_01813};
DE EC=2.1.1.163 {ECO:0000255|HAMAP-Rule:MF_01813};
GN Name=menG {ECO:0000255|HAMAP-Rule:MF_01813}; OrderedLocusNames=CT0462;
OS Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS)
OS (Chlorobium tepidum).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chlorobaculum.
OX NCBI_TaxID=194439;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49652 / DSM 12025 / NBRC 103806 / TLS;
RX PubMed=12093901; DOI=10.1073/pnas.132181499;
RA Eisen J.A., Nelson K.E., Paulsen I.T., Heidelberg J.F., Wu M., Dodson R.J.,
RA DeBoy R.T., Gwinn M.L., Nelson W.C., Haft D.H., Hickey E.K., Peterson J.D.,
RA Durkin A.S., Kolonay J.F., Yang F., Holt I.E., Umayam L.A., Mason T.M.,
RA Brenner M., Shea T.P., Parksey D.S., Nierman W.C., Feldblyum T.V.,
RA Hansen C.L., Craven M.B., Radune D., Vamathevan J.J., Khouri H.M.,
RA White O., Gruber T.M., Ketchum K.A., Venter J.C., Tettelin H., Bryant D.A.,
RA Fraser C.M.;
RT "The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic,
RT anaerobic, green-sulfur bacterium.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:9509-9514(2002).
CC -!- FUNCTION: Methyltransferase required for the conversion of
CC demethylmenaquinol (DMKH2) to menaquinol (MKH2). {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 -!- 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 -!- 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; AE006470; AAM71705.1; -; Genomic_DNA.
DR RefSeq; NP_661363.1; NC_002932.3.
DR AlphaFoldDB; Q8KF69; -.
DR SMR; Q8KF69; -.
DR STRING; 194439.CT0462; -.
DR EnsemblBacteria; AAM71705; AAM71705; CT0462.
DR KEGG; cte:CT0462; -.
DR PATRIC; fig|194439.7.peg.447; -.
DR eggNOG; COG2226; Bacteria.
DR HOGENOM; CLU_037990_0_0_10; -.
DR OMA; VRNFENL; -.
DR OrthoDB; 1431378at2; -.
DR UniPathway; UPA00079; UER00169.
DR Proteomes; UP000001007; Chromosome.
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:0009234; P:menaquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR Gene3D; 3.40.50.150; -; 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 Pfam; PF01209; Ubie_methyltran; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR01934; MenG_MenH_UbiE; 1.
DR PROSITE; PS51608; SAM_MT_UBIE; 1.
DR PROSITE; PS01183; UBIE_1; 1.
PE 3: Inferred from homology;
KW Menaquinone biosynthesis; Methyltransferase; Reference proteome;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..242
FT /note="Demethylmenaquinone methyltransferase"
FT /id="PRO_0000193266"
FT BINDING 74
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT BINDING 93
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
SQ SEQUENCE 242 AA; 27307 MW; A516BC8D4DC4135A CRC64;
MMSSSKETAK SLIQTKSRSS IRNMFDEVAP TYDFLNHLLS LGIDNYWRVV AAKKARKQLE
GEREPKILDV ATGTGDLAAS MAKIPGAKVT GYDLSPEMLA IARKKYPNIE FLEGFAEKMP
FDDRSFHVVS AGFGVRNFED LAQGMKEFHR VLKPGGCAYI IEPMIPRNAV MKKLYLIYFK
NVLPKIAGMF SKSTFAYDYL PNSVEQFPQA EAFTKILKNA GFKKAEYFPM TFETSILYVA
MK