ID   RLMM_METCA              Reviewed;         352 AA.
AC   Q60CL4;
DT   20-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 77.
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=MCA0092;
OS   Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales;
OC   Methylococcaceae; Methylococcus.
OX   NCBI_TaxID=243233;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA   Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA   Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA   Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA   Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA   Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA   Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA   Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT   "Genomic insights into methanotrophy: the complete genome sequence of
RT   Methylococcus capsulatus (Bath).";
RL   PLoS Biol. 2:1616-1628(2004).
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; AE017282; AAU90735.1; -; Genomic_DNA.
DR   RefSeq; WP_010959463.1; NC_002977.6.
DR   AlphaFoldDB; Q60CL4; -.
DR   SMR; Q60CL4; -.
DR   STRING; 243233.MCA0092; -.
DR   PRIDE; Q60CL4; -.
DR   EnsemblBacteria; AAU90735; AAU90735; MCA0092.
DR   KEGG; mca:MCA0092; -.
DR   eggNOG; COG2933; Bacteria.
DR   HOGENOM; CLU_043780_0_0_6; -.
DR   OMA; PVDWMVC; -.
DR   OrthoDB; 902245at2; -.
DR   Proteomes; UP000006821; 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..352
FT                   /note="Ribosomal RNA large subunit methyltransferase M"
FT                   /id="PRO_0000070410"
FT   ACT_SITE        302
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         187
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         218..221
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         237
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         257
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         273
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
SQ   SEQUENCE   352 AA;  39332 MW;  82FE73EACDAE80BA CRC64;
     MTSPSSILLY CRRGFEKECA AEILVQTQAA GISGHVRAKE NSAYVVFVAH EPEILANRAA
     RLRFDALIFA RQRIFASGPL ADLPVDDRIT PLLDTAAGLQ RRYSTLWLET ADTNEAKELA
     AFTRKFERPF AAAAAGLLGG GPQAPRLHVF FLTSTAAYLG YTLPDDSAPW PCGIPRLKLP
     RSAPSRSTLK LEEAFLVFVD RPETMLRPGM SAVDLGAAPG GWTWQLVRRH IRTTAVDNGN
     LDPALLDSGL VTHLRTDGFR FRPSRPVDWL VCDMVEQPSR IARLVADWAA DGAFRYAVFN
     LKLPMNRRYE EVERCRGLIE ERLAAQGVSH RLRFRQLYHD REEVTGFLEL VS