RLMM_ALKEH
ID RLMM_ALKEH Reviewed; 360 AA.
AC Q0A8J8;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 17-OCT-2006, sequence version 1.
DT 03-AUG-2022, entry version 76.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase M {ECO:0000255|HAMAP-Rule:MF_01551};
DE EC=2.1.1.186 {ECO:0000255|HAMAP-Rule:MF_01551};
DE AltName: Full=23S rRNA (cytidine2498-2'-O)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01551};
DE AltName: Full=23S rRNA 2'-O-ribose methyltransferase RlmM {ECO:0000255|HAMAP-Rule:MF_01551};
GN Name=rlmM {ECO:0000255|HAMAP-Rule:MF_01551}; OrderedLocusNames=Mlg_1490;
OS Alkalilimnicola ehrlichii (strain ATCC BAA-1101 / DSM 17681 / MLHE-1).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales;
OC Ectothiorhodospiraceae; Alkalilimnicola.
OX NCBI_TaxID=187272;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1101 / DSM 17681 / MLHE-1;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Sims D., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Oremland R.S.,
RA Hoeft S.E., Switzer-Blum J., Kulp T., King G., Tabita R., Witte B.,
RA Santini J.M., Basu P., Hollibaugh J.T., Xie G., Stolz J.F., Richardson P.;
RT "Complete sequence of Alkalilimnicola ehrilichei MLHE-1.";
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the 2'-O-methylation at nucleotide C2498 in 23S
CC rRNA. {ECO:0000255|HAMAP-Rule:MF_01551}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cytidine(2498) in 23S rRNA + S-adenosyl-L-methionine = 2'-O-
CC methylcytidine(2498) in 23S rRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42788, Rhea:RHEA-COMP:10244, Rhea:RHEA-COMP:10245,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74495, ChEBI:CHEBI:82748; EC=2.1.1.186;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01551};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01551}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01551}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. RNA methyltransferase RlmE family. RlmM subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_01551}.
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DR EMBL; CP000453; ABI56839.1; -; Genomic_DNA.
DR RefSeq; WP_011629234.1; NC_008340.1.
DR AlphaFoldDB; Q0A8J8; -.
DR SMR; Q0A8J8; -.
DR EnsemblBacteria; ABI56839; ABI56839; Mlg_1490.
DR KEGG; aeh:Mlg_1490; -.
DR eggNOG; COG2933; Bacteria.
DR HOGENOM; CLU_043780_0_0_6; -.
DR OMA; PVDWMVC; -.
DR OrthoDB; 902245at2; -.
DR Proteomes; UP000001962; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0008757; F:S-adenosylmethionine-dependent methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006364; P:rRNA processing; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_01551; 23SrRNA_methyltr_M; 1.
DR InterPro; IPR040739; RlmM_FDX.
DR InterPro; IPR002877; RNA_MeTrfase_FtsJ_dom.
DR InterPro; IPR011224; rRNA_MeTrfase_M.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR Pfam; PF01728; FtsJ; 1.
DR Pfam; PF18125; RlmM_FDX; 1.
DR PIRSF; PIRSF028774; UCP028774; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..360
FT /note="Ribosomal RNA large subunit methyltransferase M"
FT /id="PRO_0000314508"
FT ACT_SITE 309
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 192
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 225..228
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 244
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 264
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 280
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
SQ SEQUENCE 360 AA; 39961 MW; 81F9D6BEB04D0B30 CRC64;
MTERDPIPTR HATRWLLQCR PGFGADLAAE LAAWSSDAGV AGWPRVENDQ GRVDFHSADG
RPLPTPPALT FARQAWPVVA DCPQLPERDR VGALLEALAP HLPEALAGVW LEHPDTNDGK
ALGRFCRKFR PHLERALRER GVALERAGAP RLHLWFADSR QVVAGLAPAG SGRPWPMGIP
RLRLPRAAPS RSALKLEEAV GWLLTPVERE AALRPGMSAV DLGAAPGGWT WVLRQAGLHV
TAVDNGPLAE SLRADRAVRH LREDGFRYRP PHRVDWLVCD MVEQPHRVAR LVRHWLVSGW
CGRALFNLKL PMRRRWQCVA ECRALVTGGS GELGWRSAQL YHDREEITVL AWRPAAGSRG
