ID RLMKL_SACD2 Reviewed; 752 AA.
AC Q21JW7;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 18-APR-2006, sequence version 1.
DT 27-MAR-2024, entry version 97.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase K/L {ECO:0000255|HAMAP-Rule:MF_01858};
DE Includes:
DE RecName: Full=23S rRNA m2G2445 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01858};
DE EC=2.1.1.173 {ECO:0000255|HAMAP-Rule:MF_01858};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RlmL {ECO:0000255|HAMAP-Rule:MF_01858};
DE Includes:
DE RecName: Full=23S rRNA m7G2069 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01858};
DE EC=2.1.1.264 {ECO:0000255|HAMAP-Rule:MF_01858};
DE AltName: Full=rRNA (guanine-N(7)-)-methyltransferase RlmK {ECO:0000255|HAMAP-Rule:MF_01858};
GN Name=rlmL {ECO:0000255|HAMAP-Rule:MF_01858}; OrderedLocusNames=Sde_1752;
OS Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC Cellvibrionaceae; Saccharophagus.
OX NCBI_TaxID=203122;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2-40 / ATCC 43961 / DSM 17024;
RX PubMed=18516288; DOI=10.1371/journal.pgen.1000087;
RA Weiner R.M., Taylor L.E. II, Henrissat B., Hauser L., Land M.,
RA Coutinho P.M., Rancurel C., Saunders E.H., Longmire A.G., Zhang H.,
RA Bayer E.A., Gilbert H.J., Larimer F., Zhulin I.B., Ekborg N.A., Lamed R.,
RA Richardson P.M., Borovok I., Hutcheson S.;
RT "Complete genome sequence of the complex carbohydrate-degrading marine
RT bacterium, Saccharophagus degradans strain 2-40 T.";
RL PLoS Genet. 4:E1000087-E1000087(2008).
CC -!- FUNCTION: Specifically methylates the guanine in position 2445
CC (m2G2445) and the guanine in position 2069 (m7G2069) of 23S rRNA.
CC {ECO:0000255|HAMAP-Rule:MF_01858}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(2445) in 23S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(2445) in 23S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42740, Rhea:RHEA-COMP:10215, Rhea:RHEA-COMP:10216,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.173;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01858};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(2069) in 23S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(2069) in 23S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:43772, Rhea:RHEA-COMP:10688, Rhea:RHEA-COMP:10689,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.264;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01858};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01858}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmKL family.
CC {ECO:0000255|HAMAP-Rule:MF_01858}.
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DR EMBL; CP000282; ABD81012.1; -; Genomic_DNA.
DR RefSeq; WP_011468232.1; NC_007912.1.
DR AlphaFoldDB; Q21JW7; -.
DR SMR; Q21JW7; -.
DR STRING; 203122.Sde_1752; -.
DR KEGG; sde:Sde_1752; -.
DR eggNOG; COG0116; Bacteria.
DR eggNOG; COG1092; Bacteria.
DR HOGENOM; CLU_014042_2_0_6; -.
DR OrthoDB; 9809404at2; -.
DR Proteomes; UP000001947; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052915; F:23S rRNA (guanine(2445)-N(2))-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR GO; GO:0070043; F:rRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR CDD; cd11715; THUMP_AdoMetMT; 1.
DR Gene3D; 3.30.2130.30; -; 1.
DR Gene3D; 3.30.750.80; RNA methyltransferase domain (HRMD) like; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 2.
DR HAMAP; MF_01858; 23SrRNA_methyltr_KL; 1.
DR InterPro; IPR017244; 23SrRNA_methyltr_KL.
DR InterPro; IPR000241; RlmKL-like_Mtase.
DR InterPro; IPR019614; SAM-dep_methyl-trfase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR004114; THUMP_dom.
DR PANTHER; PTHR47313; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE K/L; 1.
DR PANTHER; PTHR47313:SF1; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE K_L; 1.
DR Pfam; PF10672; Methyltrans_SAM; 1.
DR Pfam; PF02926; THUMP; 1.
DR Pfam; PF01170; UPF0020; 1.
DR PIRSF; PIRSF037618; RNA_Mtase_bacteria_prd; 1.
DR SMART; SM00981; THUMP; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 2.
DR PROSITE; PS51165; THUMP; 1.
DR PROSITE; PS01261; UPF0020; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; Reference proteome; RNA-binding;
KW rRNA processing; S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..752
FT /note="Ribosomal RNA large subunit methyltransferase K/L"
FT /id="PRO_0000366803"
FT DOMAIN 53..164
FT /note="THUMP"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01858"
SQ SEQUENCE 752 AA; 84565 MW; 3570FD028798BE4A CRC64;
MPTETNQNTT QYDLFVSCSQ GWEGLLQTEL EQLAVGDVKP GHAGVYVSAT LEQMYKICLW
TRLATKVLLP LDSGPIETGD DVHTVASKVD WPSLMKPGAS LKVDFIGTND AVRNTQFGAQ
RVKDAVVDSI RHAGGERPNV EKMQPDVRIH ARLHRDELHI SIDLSGDSLH RRGYRQKQGG
APLKENLAAA LLLRAGWPTI AEQGGALLDP MCGSGTLLIE GALIAYSIAP GLSRDKFGFE
CWTGHNADTW AQVVNDAKAI RDKNLQEKSF DIFGYDSDYY VTKAAEMNCE ALGLQNVIHI
ANKPVEELKQ PTHKVLVPGL VIVNPPYGER LGEVNELRTT YQILAHQVKQ QFEGWTFAVF
TSNPELAKET RLRANKKNKF KNGALPAELF VYSVLSADDA KLRKDKLTQA VQTDEDGQVE
NASGAWVRKN LCDKPLTEAA TMVANRIKKN LKRLKKSVKQ NDWHGYRVYD ADMPEYSAAI
DLYNDQVHIQ EYAAPKTIDA DKAEARFETL KHGAAVALQA PDNKLFVKTR KRNKGKAQYE
KQTDTQGFDA ERCIQVQEGN AKLWVNLQDY LDTGLFLDHR PLRMRIHKEA TGKRFLNLFC
YTATASVQAA LGGATESVSV DMSNTYLEWA DNNFRLNNVH LARHRLVRAD CFDWLNKCRE
GFDLIMLDPP TFSNSKKMSD VLDIQKDQVR LISRCMDILN PGGTLYFSTN FRQFKLDEQI
STRYVVENIS AATIDEDFKG NPKIHYCWKI QH
//
