ID A0A1I2ZJR4_9GAMM Unreviewed; 724 AA.
AC A0A1I2ZJR4;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase K/L {ECO:0000256|HAMAP-Rule:MF_01858};
DE Includes:
DE RecName: Full=23S rRNA m2G2445 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01858};
DE EC=2.1.1.173 {ECO:0000256|HAMAP-Rule:MF_01858};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RlmL {ECO:0000256|HAMAP-Rule:MF_01858};
DE Includes:
DE RecName: Full=23S rRNA m7G2069 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01858};
DE EC=2.1.1.264 {ECO:0000256|HAMAP-Rule:MF_01858};
DE AltName: Full=rRNA (guanine-N(7)-)-methyltransferase RlmK {ECO:0000256|HAMAP-Rule:MF_01858};
GN Name=rlmL {ECO:0000256|HAMAP-Rule:MF_01858};
GN ORFNames=SAMN04487959_103151 {ECO:0000313|EMBL:SFH37729.1};
OS Halomonas xianhensis.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=442341 {ECO:0000313|EMBL:SFH37729.1, ECO:0000313|Proteomes:UP000199040};
RN [1] {ECO:0000313|EMBL:SFH37729.1, ECO:0000313|Proteomes:UP000199040}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.6848 {ECO:0000313|EMBL:SFH37729.1,
RC ECO:0000313|Proteomes:UP000199040};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_01858};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01858}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmKL family.
CC {ECO:0000256|HAMAP-Rule:MF_01858}.
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DR EMBL; FOPY01000003; SFH37729.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I2ZJR4; -.
DR STRING; 442341.SAMN04487959_103151; -.
DR Proteomes; UP000199040; Unassembled WGS sequence.
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-UniRule.
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 {ECO:0000256|HAMAP-Rule:MF_01858};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_01858}; Reference proteome {ECO:0000313|Proteomes:UP000199040};
KW RNA-binding {ECO:0000256|PROSITE-ProRule:PRU00529};
KW rRNA processing {ECO:0000256|HAMAP-Rule:MF_01858};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01858};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01858}.
FT DOMAIN 50..162
FT /note="THUMP"
FT /evidence="ECO:0000259|PROSITE:PS51165"
SQ SEQUENCE 724 AA; 80939 MW; 3AFAC2D7FFDB1827 CRC64;
MTNSHSATGS MFATCPKGLE TLLAEEITAL GGEVARTTVA GVHLQASLDV AYRICLWSRL
ANRLILVLAQ EEGVETPDAV HGVASNIDWS RHVMSDRSLA VDFHGQSSQI RHTRYGAQTV
KDGIVDALQA AGRERPTIDV RQPDLRIYAN LYRGRFTLGI DLSGNSLHQR GYRKELGHAP
LKENLAAALL IRAGWPERAR RGEPLVDPLC GSGTLVIEAG LIAADTAPGL RRERYGFHGW
AGHDESAWRE LKREAEARAS LGRRRIKSRL YGFDISPQAL AAAKANAMRA GIPALIEFHG
GALAELKRPV ESEQPGLIMT NPPYGERIGE LPELVPLYAA LGERARSEFP GWSMALFTAN
PDLGHRVGLR AEKQYAFKNG ALDCKLLLIS VPESSDQPSD SLQEAGSARS DGAQMFANRL
EKNRKRLRKW LKQSGECCYR VYDADMPEYA LAVDVYGERV HVQEYAPPRS VNPAQAQRRL
MDALQVLPGV LGVRPENVYF KQRERQAGKA QYQKRDSSGE RFQVREGQAL LWVNLRDYLD
TGLFLDHRPV RRLLNQMADG KRFLNLFCYT GTATVQAALG GASDSVSVDL SNTYLEWARD
NLALNRLDPS RHRVIRDDCL HWLETAGSEF DLIFLDPPTF SNSKRMEGTL DIQRDHARLV
NLAMARLAPG GTLVFSNNQR RFQLDDGLLQ RYEIKDITSR TFDPDFQRRP NLHHCFQIRH
RGAK
//
