RLMM_ALTMD
ID RLMM_ALTMD Reviewed; 365 AA.
AC B4RSU6; F2G7M9;
DT 24-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT 23-SEP-2008, 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};
GN OrderedLocusNames=MADE_1007695;
OS Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS ecotype).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX NCBI_TaxID=1774373;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17117 / CIP 110805 / LMG 28347 / Deep ecotype;
RX PubMed=18670397; DOI=10.1038/ismej.2008.74;
RA Ivars-Martinez E., Martin-Cuadrado A.-B., D'Auria G., Mira A., Ferriera S.,
RA Johnson J., Friedman R., Rodriguez-Valera F.;
RT "Comparative genomics of two ecotypes of the marine planktonic copiotroph
RT Alteromonas macleodii suggests alternative lifestyles associated with
RT different kinds of particulate organic matter.";
RL ISME J. 2:1194-1212(2008).
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; CP001103; AEA97679.1; -; Genomic_DNA.
DR RefSeq; WP_012518013.1; NC_011138.3.
DR AlphaFoldDB; B4RSU6; -.
DR SMR; B4RSU6; -.
DR EnsemblBacteria; AEA97679; AEA97679; MADE_1007695.
DR KEGG; amc:MADE_1007695; -.
DR HOGENOM; CLU_043780_0_0_6; -.
DR OMA; PVDWMVC; -.
DR Proteomes; UP000001870; 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; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..365
FT /note="Ribosomal RNA large subunit methyltransferase M"
FT /id="PRO_0000388979"
FT ACT_SITE 311
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 193
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 226..229
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 265
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT BINDING 282
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
SQ SEQUENCE 365 AA; 41052 MW; F323173C59E3DCF7 CRC64;
MSDTSILAYC RPGYENDTAN ELTSRYGEAG FYGYPVSKKN SGFAHYHLYD AAQLEQTVTQ
FAVHDSIFPR QLVAVFAAIN DVEKEDRVGQ VLDALKEVEK PFSIFGAVDV EYPDTEEGKT
LAKFCRKFTV PLRQALRKAG WLTAKENLGK PKLHIFFASF EICYIGFTLP SHASRDHLGI
CRLKFPSDSP SRSTLKLEDA LVNMLSNKQQ SKVLRSGGRA VDLGACPGGW TYQLVKRGMY
VEAIDNGLIA DSLMSTGLVE HHAADGFTYR PQFGRVDLLV CDMIEQPDRV AKLMGDWLVK
HWATHAIFNI KLPMKRRYET VVEAMTSLNS RLDALDDAFA VKVRHLYHDR DEVTVTIVRT
SKDEV
