RLMKL_ECODH
ID RLMKL_ECODH Reviewed; 702 AA.
AC B1X8Q2;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 82.
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};
GN OrderedLocusNames=ECDH10B_1018;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(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; CP000948; ACB02148.1; -; Genomic_DNA.
DR RefSeq; WP_001086539.1; NC_010473.1.
DR AlphaFoldDB; B1X8Q2; -.
DR SMR; B1X8Q2; -.
DR DNASU; 6060358; -.
DR KEGG; ecd:ECDH10B_1018; -.
DR HOGENOM; CLU_014042_2_0_6; -.
DR OMA; WIRGYEA; -.
DR BioCyc; ECOL316385:ECDH10B_RS05220-MON; -.
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; IPR002052; DNA_methylase_N6_adenine_CS.
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; RNA-binding; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..702
FT /note="Ribosomal RNA large subunit methyltransferase K/L"
FT /id="PRO_0000366740"
FT DOMAIN 43..154
FT /note="THUMP"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01858"
SQ SEQUENCE 702 AA; 78854 MW; 9EF24AD7A32AC429 CRC64;
MNSLFASTAR GLEELLKTEL ENLGAVECQV VQGGVHFKGD TRLVYQSLMW SRLASRIMLP
LGECKVYSDL DLYLGVQAIN WTEMFNPGAT FAVHFSGLND TIRNSQYGAM KVKDAIVDAF
TRKNLPRPNV DRDAPDIRVN VWLHKETASI ALDLSGDGLH LRGYRDRAGI APIKETLAAA
IVMRSGWQPG TPLLDPMCGS GTLLIEAAML ATDRAPGLHR GRWGFSGWAQ HDEAIWQEVK
AEAQTRARKG LAEYSSHFYG SDSDARVIQR ARTNARLAGI GELITFEVKD VAQLTNPLPK
GPYGTVLSNP PYGERLDSEP ALIALHSLLG RIMKNQFGGW NLSLFSASPD LLSCLQLRAD
KQYKAKNGPL DCVQKNYHVA ESTPDSKPAM VAEDYTNRLR KNLKKFEKWA RQEGIECYRL
YDADLPEYNV AVDRYADWVV VQEYAPPKTI DAHKARQRLF DIIAATISVL GIAPNKLVLK
TRERQKGKNQ YQKLGEKGEF LEVTEYNAHL WVNLTDYLDT GLFLDHRIAR RMLGQMSKGK
DFLNLFSYTG SATVHAGLGG ARSTTTVDMS RTYLEWAERN LRLNGLTGRA HRLIQADCLA
WLREANEQFD LIFIDPPTFS NSKRMEDAFD VQRDHLALMK DLKRLLRAGG TIMFSNNKRG
FRMDLDGLAK LGLKAQEITQ KTLSQDFARN RQIHNCWLIT AA
