ID   MENG_STAAR              Reviewed;         241 AA.
AC   Q6GGU0;
DT   21-DEC-2004, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
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=SAR1480;
OS   Staphylococcus aureus (strain MRSA252).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282458;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MRSA252;
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA   Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA   Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA   Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA   Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA   Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT   for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(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; BX571856; CAG40478.1; -; Genomic_DNA.
DR   RefSeq; WP_000774679.1; NC_002952.2.
DR   AlphaFoldDB; Q6GGU0; -.
DR   SMR; Q6GGU0; -.
DR   KEGG; sar:SAR1480; -.
DR   HOGENOM; CLU_037990_0_0_9; -.
DR   OMA; VRNFENL; -.
DR   OrthoDB; 1431378at2; -.
DR   UniPathway; UPA00079; UER00169.
DR   Proteomes; UP000000596; 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.
DR   PROSITE; PS01184; UBIE_2; 1.
PE   3: Inferred from homology;
KW   Menaquinone biosynthesis; Methyltransferase; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..241
FT                   /note="Demethylmenaquinone methyltransferase"
FT                   /id="PRO_0000193330"
FT   BINDING         60
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT   BINDING         81
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
FT   BINDING         106..107
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01813"
SQ   SEQUENCE   241 AA;  27501 MW;  24E5F060659750BD CRC64;
     MADNKANKEQ VHRVFQNISK KYDRLNNIIS FEQHKVWRKR VMKDMGVRKG MKALDVCCGT
     GDWTIALSKA VGSTGEVTGI DFSENMLEVG KEKTASMENV KLVHGDAMEL PFEDNSFDYV
     TIGFGLRNVP DYLVALKEMN RVLKPGGMVV CLETSQPTLP VFKQMYALYF KFVMPIFGKL
     FAKSKEEYEW LQQSTFNFPG KEELKRMFEE ADFINVRVRS FTGGVAAMHL GYKEKDNTKG
     D