ID   RLMKL_MAGMM             Reviewed;         722 AA.
AC   A0L8B5;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   03-AUG-2022, entry version 84.
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=Mmc1_1699;
OS   Magnetococcus marinus (strain ATCC BAA-1437 / JCM 17883 / MC-1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Magnetococcales;
OC   Magnetococcaceae; Magnetococcus.
OX   NCBI_TaxID=156889;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1437 / JCM 17883 / MC-1;
RX   PubMed=19465526; DOI=10.1128/aem.02874-08;
RA   Schubbe S., Williams T.J., Xie G., Kiss H.E., Brettin T.S., Martinez D.,
RA   Ross C.A., Schuler D., Cox B.L., Nealson K.H., Bazylinski D.A.;
RT   "Complete genome sequence of the chemolithoautotrophic marine magnetotactic
RT   coccus strain MC-1.";
RL   Appl. Environ. Microbiol. 75:4835-4852(2009).
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; CP000471; ABK44208.1; -; Genomic_DNA.
DR   RefSeq; WP_011713356.1; NC_008576.1.
DR   AlphaFoldDB; A0L8B5; -.
DR   SMR; A0L8B5; -.
DR   STRING; 156889.Mmc1_1699; -.
DR   EnsemblBacteria; ABK44208; ABK44208; Mmc1_1699.
DR   KEGG; mgm:Mmc1_1699; -.
DR   eggNOG; COG0116; Bacteria.
DR   eggNOG; COG1092; Bacteria.
DR   HOGENOM; CLU_014042_2_0_5; -.
DR   OMA; WIRGYEA; -.
DR   OrthoDB; 307177at2; -.
DR   Proteomes; UP000002586; 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   Gene3D; 3.40.50.150; -; 2.
DR   HAMAP; MF_01858; 23SrRNA_methyltr_KL; 1.
DR   InterPro; IPR017244; 23SrRNA_methyltr_KL.
DR   InterPro; IPR000241; RNA_methylase_dom.
DR   InterPro; IPR019614; SAM-dep_methyl-trfase.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR004114; THUMP_dom.
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; SSF53335; 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..722
FT                   /note="Ribosomal RNA large subunit methyltransferase K/L"
FT                   /id="PRO_0000366773"
FT   DOMAIN          43..154
FT                   /note="THUMP"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01858"
SQ   SEQUENCE   722 AA;  80800 MW;  4FFFCDE48CD8E3F8 CRC64;
     MYRYFATTAR GLEPALAAEL KRMGAKSVRP ASAGVGFEGD LEIGLRACLW SRVATRIILS
     LKKIDVSTPE ALYASVLEIP WEDHLDAEGT LSVDCIGTND TIRHTNFGGQ KLKDAVVDRI
     RDKKGSRPSV ARERPDLRIN LGIRGNEGRV GIDLSGEGLH RRGYRLRTGD APLKENLAAA
     LLYFAGWEEQ ARLGAPFVDP MCGSGTLPIE AAMMAGDIAP GSLRRYFGFR RWRGASGIAE
     LWQRLADESI ERQNQAKMPI IEAGDSDANM VHIAQANIEE AELEGHIRLH QRDVAAWQKG
     ADWPDRPGVL VTNPPYGERL GEVVELKGLF AKLGMLLNGP LLGWRSGVLM GDVLWQSAMG
     LPQQGQRMDL NNGPIPCAYI LHGTEPKPQA AKGAPAPKPG LQQGVVSPEN AQMFANRLKK
     NQKRLKKWVT RENVRCYRLY DADMPEYALA VDRYEEWVVV QEYQAPSSIP DADAHRRLQD
     ACSVLPEVLG VPPERVVVKQ RKRQKGYNQY DKMANRGQKV LVAEQGLNFE VNLTDYLDTG
     LFPDHAPMRR RIQQEAANRR FLNLFCYTGT ATVHAAAGGA LTTTSVDLSN TYLEWAQRNM
     ELNGFKGEHQ HRFIKANCMQ WIATTDQTFD LIFLDPPTFS NSKSMLESFD IQRDQVTLIG
     GVARLLNPDG VLYFSTNRKK FKLEQDLLSA QNLHMEEITQ QTLDPDFHRE PPIHRCWRIT
     CA