ID RLMM_HALHL Reviewed; 339 AA.
AC A1WXL3;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 27-MAR-2024, entry version 72.
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=Hhal_1661;
OS Halorhodospira halophila (strain DSM 244 / SL1) (Ectothiorhodospira
OS halophila (strain DSM 244 / SL1)).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales;
OC Ectothiorhodospiraceae; Halorhodospira.
OX NCBI_TaxID=349124;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 244 / SL1;
RG US DOE Joint Genome Institute;
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 Saunders E., Brettin T., Bruce D., Han C., Tapia R., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Hoff W.,
RA Richardson P.;
RT "Complete sequence of Halorhodospira halophila SL1.";
RL Submitted (DEC-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; CP000544; ABM62425.1; -; Genomic_DNA.
DR RefSeq; WP_041595126.1; NC_008789.1.
DR AlphaFoldDB; A1WXL3; -.
DR SMR; A1WXL3; -.
DR STRING; 349124.Hhal_1661; -.
DR KEGG; hha:Hhal_1661; -.
DR eggNOG; COG2933; Bacteria.
DR HOGENOM; CLU_043780_0_0_6; -.
DR OrthoDB; 154490at2; -.
DR Proteomes; UP000000647; 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; 3.30.2300.20; -; 1.
DR Gene3D; 3.30.70.2810; -; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_01551; 23SrRNA_methyltr_M; 1.
DR InterPro; IPR040739; RlmM_FDX.
DR InterPro; IPR048646; RlmM_THUMP-like.
DR InterPro; IPR002877; RNA_MeTrfase_FtsJ_dom.
DR InterPro; IPR011224; rRNA_MeTrfase_M.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR37524; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE M; 1.
DR PANTHER; PTHR37524:SF2; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE M; 1.
DR Pfam; PF01728; FtsJ; 1.
DR Pfam; PF18125; RlmM_FDX; 1.
DR Pfam; PF21239; RLMM_N; 1.
DR PIRSF; PIRSF028774; UCP028774; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..339
FT /note="Ribosomal RNA large subunit methyltransferase M"
FT /id="PRO_0000314520"
FT ACT_SITE 290
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 176
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 206..209
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 225
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 245
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 261
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
SQ SEQUENCE 339 AA; 37557 MW; 344B03D3F0DD96E7 CRC64;
MELQGWILHC RAGYEQTLAS EATMAAHERD VHGYCRARAQ SAYVVFHAPA GDAPLPPQLV
FARAGAGLIG ELQGLPEGGR AEAIAAALPP AVGSATPWVE HPDSDAGRPL ARFCRRFTGP
LRHALTQTGV TSGDPQRRLR LLFPDSRHCF AGIGPREGWP SGIPRLRMPR NAPSRSVLKL
EEALHRLVPE NERPYPGEHA VDLGAAPGGW TWLLRERGLT VTAIDNGPLA PALADDPGVE
HQRTDAFRFR PRTEVDWLVC DVVDRPQGIA RLMTQWLREE WARAAIFNLK LPMRRPLETV
RQALDAVRTT GARAHAAQLY HDREEITVYA RRMASRNRP
//
