RLMKL_PSYCK
ID RLMKL_PSYCK Reviewed; 776 AA.
AC Q1QCP8;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-MAY-2006, sequence version 1.
DT 03-AUG-2022, entry version 94.
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=Pcryo_0772;
OS Psychrobacter cryohalolentis (strain ATCC BAA-1226 / DSM 17306 / VKM B-2378
OS / K5).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Psychrobacter.
OX NCBI_TaxID=335284;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1226 / DSM 17306 / VKM B-2378 / K5;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Brettin T., Bruce D.,
RA Han C., Tapia R., Sims D.R., Gilna P., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., Richardson P.;
RT "Complete sequence of chromosome of Psychrobacter cryohalolentis K5.";
RL Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000323; ABE74555.1; -; Genomic_DNA.
DR RefSeq; WP_011513119.1; NC_007969.1.
DR AlphaFoldDB; Q1QCP8; -.
DR SMR; Q1QCP8; -.
DR STRING; 335284.Pcryo_0772; -.
DR KEGG; pcr:Pcryo_0772; -.
DR eggNOG; COG0116; Bacteria.
DR eggNOG; COG1092; Bacteria.
DR HOGENOM; CLU_014042_2_0_6; -.
DR OMA; WIRGYEA; -.
DR Proteomes; UP000002425; 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; 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..776
FT /note="Ribosomal RNA large subunit methyltransferase K/L"
FT /id="PRO_0000366800"
FT DOMAIN 68..183
FT /note="THUMP"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01858"
SQ SEQUENCE 776 AA; 87393 MW; 3E4220E880B3D51D CRC64;
MTETTALASS TASSQPSSQA SSQVLSLDLI ITCADGLEAP LQTELTSFGI ASEIKSTGRL
AVTGTLRDLY KICLWSRVAS RVLMLIKRKN INAEYDVAEQ LYGLAKSVNW TEQFSLEQTF
AIRLSVDKRV AVSQQFAMLR IKDAIADTFN EVYESRPNVD SKNPDFSVFA TVNDKQAELY
LDLSGTSLHR RGYRVAMTEA PLKENLAAAL LYSAGWHKKN EAGDTPFYNA LIDPMCGSGT
FIIEALLMHC DYAVGIDKAA NQFGFYEWQH HDAALWQEMI DDAQTRFRAA LEIANEQPDT
LPLIFGFDAD NGAIIATEKN LIAAGLQDLL PLLDIETRAL DQLSTLLKPL VADGRLSNPL
IITNPPYGER LGDEEMIKPL YQSIGLILQD SFAGSGIDPM LGILASHVEQ VDILPIREPK
TLRCHNGAIT VYFRYGTLIA GQTGNLVSRF EKREIEVEDG QDFINRLQKN LTRLKKLAKK
DNVSNIRVYN ADLPDFKVAI DLYGDYAHVQ EYAPPKTIPP ETAKKRFNLA LMGIREVFGI
NREQIFIKTR ARQSGNDQYS KQGNTEKRGK FYIAREDGAY LYVNFTDYLD TGLFIDHRNM
RARIKDNSRN KSVLNLFAYT CTASVHAALA GAKKVTSVDL SQNYLDWGKQ NFALNGLNVS
SNKYQFVAAD IFEWIKDNTE QFDIIFIDPP TFSNSKKFQG TFDVQRDHAA LINRAMNRLT
ADGILYFSNN FTRFELDEQL TERYDIIDIT QKTIGFDFDI KKPIHQSFEI RHRQSL
