ID   RSMG_MYCTA              Reviewed;         224 AA.
AC   A5U9P7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase G {ECO:0000255|HAMAP-Rule:MF_00074};
DE            EC=2.1.1.- {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=MRA_3958;
OS   Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=419947;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25177 / H37Ra;
RX   PubMed=18584054; DOI=10.1371/journal.pone.0002375;
RA   Zheng H., Lu L., Wang B., Pu S., Zhang X., Zhu G., Shi W., Zhang L.,
RA   Wang H., Wang S., Zhao G., Zhang Y.;
RT   "Genetic basis of virulence attenuation revealed by comparative genomic
RT   analysis of Mycobacterium tuberculosis strain H37Ra versus H37Rv.";
RL   PLoS ONE 3:E2375-E2375(2008).
CC   -!- FUNCTION: Specifically methylates the N7 position of guanine in
CC       position 518 of 16S rRNA. {ECO:0000255|HAMAP-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; CP000611; ABQ75747.1; -; Genomic_DNA.
DR   RefSeq; WP_003899763.1; NZ_CP016972.1.
DR   AlphaFoldDB; A5U9P7; -.
DR   SMR; A5U9P7; -.
DR   STRING; 419947.MRA_3958; -.
DR   EnsemblBacteria; ABQ75747; ABQ75747; MRA_3958.
DR   GeneID; 45427919; -.
DR   KEGG; mra:MRA_3958; -.
DR   eggNOG; COG0357; Bacteria.
DR   HOGENOM; CLU_065341_5_0_11; -.
DR   OMA; WDRHVLN; -.
DR   OrthoDB; 1590629at2; -.
DR   Proteomes; UP000001988; 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; rRNA processing; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..224
FT                   /note="Ribosomal RNA small subunit methyltransferase G"
FT                   /id="PRO_0000335380"
FT   BINDING         69
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         74
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         119..120
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         137
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
SQ   SEQUENCE   224 AA;  24032 MW;  B56E90FBF91A1DCA CRC64;
     MSPIEPAASA IFGPRLGLAR RYAEALAGPG VERGLVGPRE VGRLWDRHLL NCAVIGELLE
     RGDRVVDIGS GAGLPGVPLA IARPDLQVVL LEPLLRRTEF LREMVTDLGV AVEIVRGRAE
     ESWVQDQLGG SDAAVSRAVA ALDKLTKWSM PLIRPNGRML AIKGERAHDE VREHRRVMIA
     SGAVDVRVVT CGANYLRPPA TVVFARRGKQ IARGSARMAS GGTA