RSMG_MAGSA
ID RSMG_MAGSA Reviewed; 205 AA.
AC Q2WBG8;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 10-JAN-2006, sequence version 1.
DT 03-AUG-2022, entry version 86.
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=amb0003;
OS Magnetospirillum magneticum (strain AMB-1 / ATCC 700264).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Magnetospirillum.
OX NCBI_TaxID=342108;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AMB-1 / ATCC 700264;
RX PubMed=16303747; DOI=10.1093/dnares/dsi002;
RA Matsunaga T., Okamura Y., Fukuda Y., Wahyudi A.T., Murase Y., Takeyama H.;
RT "Complete genome sequence of the facultative anaerobic magnetotactic
RT bacterium Magnetospirillum sp. strain AMB-1.";
RL DNA Res. 12:157-166(2005).
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; AP007255; BAE48807.1; -; Genomic_DNA.
DR AlphaFoldDB; Q2WBG8; -.
DR SMR; Q2WBG8; -.
DR STRING; 342108.amb0003; -.
DR EnsemblBacteria; BAE48807; BAE48807; amb0003.
DR KEGG; mag:amb0003; -.
DR HOGENOM; CLU_065341_1_1_5; -.
DR OMA; ICFPHLH; -.
DR Proteomes; UP000007058; Chromosome.
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; Reference proteome; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..205
FT /note="Ribosomal RNA small subunit methyltransferase G"
FT /id="PRO_0000335368"
FT BINDING 71
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 76
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 120..121
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT BINDING 134
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
SQ SEQUENCE 205 AA; 22283 MW; F7E48E39BD7C6AE7 CRC64;
MGPEELLTKS GVSRETLERL RLYADLLVKW QARINLVGPD TVPDLWSRHM LDSVQLFPLI
KVGARRLVDL GSGAGFPGLV LAVMGAPDVH LVESDSRKCA FLREVARVTE TPVTVINKRI
EQVAPLGADV VTARALAPLD RLLGWAFPHL AEGGECLFLK GRGAEDELTA SAKEWNITAS
RVPSLTDPGG LVLHLREVSR GRAQP
