ID   RLMM_HAEIG              Reviewed;         363 AA.
AC   A5UIV9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 64.
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=CGSHiGG_09685;
OS   Haemophilus influenzae (strain PittGG).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=374931;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PittGG;
RX   PubMed=17550610; DOI=10.1186/gb-2007-8-6-r103;
RA   Hogg J.S., Hu F.Z., Janto B., Boissy R., Hayes J., Keefe R., Post J.C.,
RA   Ehrlich G.D.;
RT   "Characterization and modeling of the Haemophilus influenzae core and
RT   supragenomes based on the complete genomic sequences of Rd and 12 clinical
RT   nontypeable strains.";
RL   Genome Biol. 8:R103.1-R103.18(2007).
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; CP000672; ABR00715.1; -; Genomic_DNA.
DR   RefSeq; WP_012055449.1; NC_009567.1.
DR   AlphaFoldDB; A5UIV9; -.
DR   SMR; A5UIV9; -.
DR   EnsemblBacteria; ABR00715; ABR00715; CGSHiGG_09685.
DR   KEGG; hiq:CGSHiGG_09685; -.
DR   HOGENOM; CLU_043780_0_0_6; -.
DR   OMA; PVDWMVC; -.
DR   Proteomes; UP000001990; 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..363
FT                   /note="Ribosomal RNA large subunit methyltransferase M"
FT                   /id="PRO_0000314517"
FT   ACT_SITE        313
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         194
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         227..230
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         246
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         266
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
FT   BINDING         284
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01551"
SQ   SEQUENCE   363 AA;  41532 MW;  997FC949DCB99724 CRC64;
     MNKLALYCRP GFEKEVAAEI TDQASHLGVF GFARVQDNSG YVIFECYQPD EADRLARDIP
     FNRLIFARQM IVISDLLEDL DPADRISPIV AAFEELSQQV NFAQSSELFV ETADTNEAKE
     LSTFCRKFTV PLRQALKKQG WLSAKASQKC GQFLHCFFVK PNCCYVGYSY VDNHSSHFMG
     IPRLKFPADA PSRSTLKLEE AILTFIPRKE ENKRLNENMI GVDLGACPGG WTYQLVKRGL
     FVYAVDHGKM AANLHDTGRI EHCAEDGFKF QPPKRKKVDW LVCDMVEQPS RISSLIGKWL
     LNGWCRETIF NLKLPMKKRY QEVILCLENL AVMLAEQNLN FEIQAKHLYH DREEITVHIA
     LKP