RSMG_ECOBW
ID RSMG_ECOBW Reviewed; 207 AA.
AC C4ZZ18;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 69.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase G {ECO:0000255|HAMAP-Rule:MF_00074};
DE EC=2.1.1.170 {ECO:0000255|HAMAP-Rule:MF_00074};
DE AltName: Full=16S rRNA 7-methylguanosine methyltransferase {ECO:0000255|HAMAP-Rule:MF_00074};
DE Short=16S rRNA m7G methyltransferase {ECO:0000255|HAMAP-Rule:MF_00074};
GN Name=rsmG {ECO:0000255|HAMAP-Rule:MF_00074}; OrderedLocusNames=BWG_3431;
OS Escherichia coli (strain K12 / MC4100 / BW2952).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=595496;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / MC4100 / BW2952;
RX PubMed=19376874; DOI=10.1128/jb.00118-09;
RA Ferenci T., Zhou Z., Betteridge T., Ren Y., Liu Y., Feng L., Reeves P.R.,
RA Wang L.;
RT "Genomic sequencing reveals regulatory mutations and recombinational events
RT in the widely used MC4100 lineage of Escherichia coli K-12.";
RL J. Bacteriol. 191:4025-4029(2009).
CC -!- FUNCTION: Specifically methylates the N7 position of guanine in
CC position 527 of 16S rRNA. {ECO:0000255|HAMAP-Rule:MF_00074}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(527) in 16S rRNA + S-adenosyl-L-methionine = N(7)-
CC methylguanosine(527) in 16S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42732, Rhea:RHEA-COMP:10209, Rhea:RHEA-COMP:10210,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:74269,
CC ChEBI:CHEBI:74480; EC=2.1.1.170; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00074};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00074}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RNA
CC methyltransferase RsmG family. {ECO:0000255|HAMAP-Rule:MF_00074}.
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DR EMBL; CP001396; ACR63771.1; -; Genomic_DNA.
DR RefSeq; WP_000932839.1; NC_012759.1.
DR AlphaFoldDB; C4ZZ18; -.
DR SMR; C4ZZ18; -.
DR GeneID; 66672356; -.
DR KEGG; ebw:BWG_3431; -.
DR HOGENOM; CLU_065341_2_2_6; -.
DR OMA; ICFPHLH; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0070043; F:rRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_00074; 16SrRNA_methyltr_G; 1.
DR InterPro; IPR003682; rRNA_ssu_MeTfrase_G.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR31760; PTHR31760; 1.
DR Pfam; PF02527; GidB; 1.
DR PIRSF; PIRSF003078; GidB; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR00138; rsmG_gidB; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..207
FT /note="Ribosomal RNA small subunit methyltransferase G"
FT /id="PRO_1000202498"
FT BINDING 73
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 78
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 124..125
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 139
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
SQ SEQUENCE 207 AA; 23431 MW; 40CF9BA134E9A234 CRC64;
MLNKLSLLLK DAGISLTDHQ KNQLIAYVNM LHKWNKAYNL TSVRDPNEML VRHILDSIVV
APYLQGERFI DVGTGPGLPG IPLSIVRPEA HFTLLDSLGK RVRFLRQVQH ELKLENIEPV
QSRVEEFPSE PPFDGVISRA FASLNDMVSW CHHLPGEQGR FYALKGQMPE DEIALLPEEY
QVESVVKLQV PALDGERHLV VIKANKI
