ID   MENG_BACFR              Reviewed;         245 AA.
AC   Q64XV8;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 96.
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=BF0917;
OS   Bacteroides fragilis (strain YCH46).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Bacteroides.
OX   NCBI_TaxID=295405;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=YCH46;
RX   PubMed=15466707; DOI=10.1073/pnas.0404172101;
RA   Kuwahara T., Yamashita A., Hirakawa H., Nakayama H., Toh H., Okada N.,
RA   Kuhara S., Hattori M., Hayashi T., Ohnishi Y.;
RT   "Genomic analysis of Bacteroides fragilis reveals extensive DNA inversions
RT   regulating cell surface adaptation.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:14919-14924(2004).
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; AP006841; BAD47668.1; -; Genomic_DNA.
DR   RefSeq; WP_005785152.1; NZ_UYXF01000001.1.
DR   RefSeq; YP_098202.1; NC_006347.1.
DR   AlphaFoldDB; Q64XV8; -.
DR   SMR; Q64XV8; -.
DR   STRING; 295405.BF0917; -.
DR   PRIDE; Q64XV8; -.
DR   EnsemblBacteria; BAD47668; BAD47668; BF0917.
DR   GeneID; 66330101; -.
DR   KEGG; bfr:BF0917; -.
DR   PATRIC; fig|295405.11.peg.920; -.
DR   HOGENOM; CLU_037990_0_0_10; -.
DR   OMA; VRNFENL; -.
DR   UniPathway; UPA00079; UER00169.
DR   Proteomes; UP000002197; 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; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..245
FT                   /note="Demethylmenaquinone methyltransferase"
FT                   /id="PRO_0000193241"
FT   BINDING         70
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT   BINDING         90
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT   BINDING         118..119
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
SQ   SEQUENCE   245 AA;  27868 MW;  502E9C8394CF8C01 CRC64;
     MNYPQEKIKP YSNDGKKSEQ VEQMFDNIAP AYDQLNHTLS LGIDRSWRRK AINWLKPFRP
     QQIMDVATGT GDFAILACHE LQPEQLIGTD ISEGMMNVGR EKVKKEGLSE KISFAREDCT
     SLSFADNRFD AITVAFGIRN FEDLDKGLSE MYRVLKTGGH LVILELTTPD RFPMKQMFTI
     YSKIVIPTLG KLLSKDNSAY SYLPQTIKAF PQGEVMKNVI SRVGFSQVQF RRLTFGICTL
     YTATK