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MENG_PORG3
ID   MENG_PORG3              Reviewed;         245 AA.
AC   B2RJE9;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 76.
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=PGN_0975;
OS   Porphyromonas gingivalis (strain ATCC 33277 / DSM 20709 / CIP 103683 / JCM
OS   12257 / NCTC 11834 / 2561).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae;
OC   Porphyromonas.
OX   NCBI_TaxID=431947;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33277 / DSM 20709 / CIP 103683 / JCM 12257 / NCTC 11834 / 2561;
RX   PubMed=18524787; DOI=10.1093/dnares/dsn013;
RA   Naito M., Hirakawa H., Yamashita A., Ohara N., Shoji M., Yukitake H.,
RA   Nakayama K., Toh H., Yoshimura F., Kuhara S., Hattori M., Hayashi T.,
RA   Nakayama K.;
RT   "Determination of the genome sequence of Porphyromonas gingivalis strain
RT   ATCC 33277 and genomic comparison with strain W83 revealed extensive genome
RT   rearrangements in P. gingivalis.";
RL   DNA Res. 15:215-225(2008).
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; AP009380; BAG33494.1; -; Genomic_DNA.
DR   RefSeq; WP_012457927.1; NZ_CP025930.1.
DR   AlphaFoldDB; B2RJE9; -.
DR   SMR; B2RJE9; -.
DR   STRING; 431947.PGN_0975; -.
DR   EnsemblBacteria; BAG33494; BAG33494; PGN_0975.
DR   GeneID; 29256189; -.
DR   KEGG; pgn:PGN_0975; -.
DR   eggNOG; COG2226; Bacteria.
DR   HOGENOM; CLU_037990_0_0_10; -.
DR   OMA; VRNFENL; -.
DR   BioCyc; PGIN431947:G1G2V-1100-MON; -.
DR   UniPathway; UPA00079; UER00169.
DR   Proteomes; UP000008842; 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   Pfam; PF01209; Ubie_methyltran; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR01934; MenG_MenH_UbiE; 1.
DR   PROSITE; PS51608; SAM_MT_UBIE; 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_1000187786"
FT   BINDING         69
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;  28057 MW;  C979D60602F5C838 CRC64;
     MQSPEKITPY DTECPKNEQV EAMFNHIAGH YDRLNHLFSW GMDRVWRQKA IRMIEPFAPH
     TVLDVATGTG DLAIEICRHI PSVKQVTGVD LSLEMMRIGE QKVRSENLDN RITFMQKDCL
     DLPFADHSFD AVTVAFGLRN FQNIKLGLEE MYRVLNEGAP LMILELSRPV SFPWKQGYNF
     YASHVIPVVG RFLSQDAEAY TYLPESIAAM PQREELADLM LSVGFREAYY RSLSLEVATV
     YMGLK
 
 
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