ID M4ULW1_9GAMM Unreviewed; 384 AA.
AC M4ULW1;
DT 29-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2013, sequence version 1.
DT 24-JAN-2024, entry version 49.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase G {ECO:0000256|HAMAP-Rule:MF_01859};
DE EC=2.1.1.174 {ECO:0000256|HAMAP-Rule:MF_01859};
DE AltName: Full=23S rRNA m2G1835 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01859};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RlmG {ECO:0000256|HAMAP-Rule:MF_01859};
GN Name=rlmG {ECO:0000256|HAMAP-Rule:MF_01859};
GN ORFNames=PCNPT3_07435 {ECO:0000313|EMBL:AGH81425.1};
OS Psychromonas sp. CNPT3.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Psychromonadaceae; Psychromonas.
OX NCBI_TaxID=314282 {ECO:0000313|EMBL:AGH81425.1, ECO:0000313|Proteomes:UP000010320};
RN [1] {ECO:0000313|EMBL:AGH81425.1, ECO:0000313|Proteomes:UP000010320}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CNPT3 {ECO:0000313|EMBL:AGH81425.1,
RC ECO:0000313|Proteomes:UP000010320};
RA Lauro F.M., Chastain R.A., Stratton T.K., Ferriera S., Johnson J.,
RA Yayanos A.A., Bartlett D.H.;
RT "The complete genome sequence of the deep-sea bacterium Psychromonas
RT CNPT2.";
RL Submitted (MAR-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the guanine in position 1835
CC (m2G1835) of 23S rRNA. {ECO:0000256|HAMAP-Rule:MF_01859}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(1835) in 23S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(1835) in 23S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42744, Rhea:RHEA-COMP:10217, Rhea:RHEA-COMP:10218,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.174;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01859};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01859}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmG family.
CC {ECO:0000256|HAMAP-Rule:MF_01859}.
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DR EMBL; CP004404; AGH81425.1; -; Genomic_DNA.
DR RefSeq; WP_015465304.1; NC_020802.1.
DR AlphaFoldDB; M4ULW1; -.
DR STRING; 314282.PCNPT3_07435; -.
DR KEGG; psy:PCNPT3_07435; -.
DR eggNOG; COG2813; Bacteria.
DR HOGENOM; CLU_040288_4_0_6; -.
DR OrthoDB; 29650at2; -.
DR Proteomes; UP000010320; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052916; F:23S rRNA (guanine(1835)-N(2))-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 2.
DR HAMAP; MF_01859; 23SrRNA_methyltr_G; 1.
DR InterPro; IPR002052; DNA_methylase_N6_adenine_CS.
DR InterPro; IPR017237; rRNA_m2G-MeTrfase_RlmG.
DR InterPro; IPR046977; RsmC/RlmG.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR007848; Small_mtfrase_dom.
DR PANTHER; PTHR47816:SF5; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE G; 1.
DR PANTHER; PTHR47816; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE C; 1.
DR Pfam; PF05175; MTS; 1.
DR PIRSF; PIRSF037565; RRNA_m2G_Mtase_RsmD_prd; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS00092; N6_MTASE; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01859};
KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_01859,
KW ECO:0000313|EMBL:AGH81425.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000010320};
KW rRNA processing {ECO:0000256|HAMAP-Rule:MF_01859};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01859};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01859, ECO:0000313|EMBL:AGH81425.1}.
FT DOMAIN 208..380
FT /note="Methyltransferase small"
FT /evidence="ECO:0000259|Pfam:PF05175"
SQ SEQUENCE 384 AA; 43708 MW; 0ED5A0F2F864F6F3 CRC64;
MNELLSIANQ NLILHRHPRN KKETLQAWDS ADEYLINHFV DNNLAEKIKN EDELLILNDG
FGALTCFFNE IKRTAVTDSY LSLSSIKLNM QRNRCIEENL LLQDSLQSFP ENIKVVLIKI
PKTNAYLEFL LQKLRAVISA DTIVIAAGKV NMIHNSTLQL FEQYIGTTKT SLAKKKSRLI
FSDVEVAFDA ETEEKEIAIT WEVENHKWKI HNHANVFSRN HLDIGGRYLM DNLPDGDFSN
IVDLGCGNGI VGMAALEYYA DSKVTFIDES YMAVDSARIN TLKNFEEERS DNARFVVNNG
LVGFKAASHD LILCNPPFHQ QQVITDHIAW SMFNDAHFCL QEGGELIIVG NRHLDYQDKL
TRIFGDCELL AENKKFVILR AIKA
//