ID   B5RFV5_SALG2            Unreviewed;       209 AA.
AC   B5RFV5;
DT   04-NOV-2008, integrated into UniProtKB/TrEMBL.
DT   04-NOV-2008, sequence version 1.
DT   27-MAR-2024, entry version 87.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase G {ECO:0000256|HAMAP-Rule:MF_00074};
DE            EC=2.1.1.170 {ECO:0000256|HAMAP-Rule:MF_00074};
DE   AltName: Full=16S rRNA 7-methylguanosine methyltransferase {ECO:0000256|HAMAP-Rule:MF_00074};
DE            Short=16S rRNA m7G methyltransferase {ECO:0000256|HAMAP-Rule:MF_00074};
GN   Name=gidB {ECO:0000313|EMBL:CAR39349.1};
GN   Synonyms=rsmG {ECO:0000256|HAMAP-Rule:MF_00074};
GN   OrderedLocusNames=SG3560 {ECO:0000313|EMBL:CAR39349.1};
OS   Salmonella gallinarum (strain 287/91 / NCTC 13346).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=550538 {ECO:0000313|EMBL:CAR39349.1, ECO:0000313|Proteomes:UP000008321};
RN   [1] {ECO:0000313|EMBL:CAR39349.1, ECO:0000313|Proteomes:UP000008321}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=287/91 / NCTC 13346 {ECO:0000313|Proteomes:UP000008321};
RX   PubMed=18583645; DOI=10.1101/gr.077404.108;
RA   Thomson N.R., Clayton D.J., Windhorst D., Vernikos G., Davidson S.,
RA   Churcher C., Quail M.A., Stevens M., Jones M.A., Watson M., Barron A.,
RA   Layton A., Pickard D., Kingsley R.A., Bignell A., Clark L., Harris B.,
RA   Ormond D., Abdellah Z., Brooks K., Cherevach I., Chillingworth T.,
RA   Woodward J., Norberczak H., Lord A., Arrowsmith C., Jagels K., Moule S.,
RA   Mungall K., Sanders M., Whitehead S., Chabalgoity J.A., Maskell D.,
RA   Humphrey T., Roberts M., Barrow P.A., Dougan G., Parkhill J.;
RT   "Comparative genome analysis of Salmonella enteritidis PT4 and Salmonella
RT   gallinarum 287/91 provides insights into evolutionary and host adaptation
RT   pathways.";
RL   Genome Res. 18:1624-1637(2008).
CC   -!- FUNCTION: Specifically methylates the N7 position of guanine in
CC       position 527 of 16S rRNA. {ECO:0000256|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:0000256|HAMAP-
CC         Rule:MF_00074};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00074}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. RNA
CC       methyltransferase RsmG family. {ECO:0000256|HAMAP-Rule:MF_00074}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00074}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AM933173; CAR39349.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5RFV5; -.
DR   KEGG; seg:SG3560; -.
DR   HOGENOM; CLU_065341_2_2_6; -.
DR   Proteomes; UP000008321; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0070043; F:rRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd02440; AdoMet_MTases; 1.
DR   Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR   HAMAP; MF_00074; 16SrRNA_methyltr_G; 1.
DR   InterPro; IPR003682; rRNA_ssu_MeTfrase_G.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   NCBIfam; TIGR00138; rsmG_gidB; 1.
DR   PANTHER; PTHR31760; S-ADENOSYL-L-METHIONINE-DEPENDENT METHYLTRANSFERASES SUPERFAMILY PROTEIN; 1.
DR   PANTHER; PTHR31760:SF0; S-ADENOSYL-L-METHIONINE-DEPENDENT METHYLTRANSFERASES SUPERFAMILY PROTEIN; 1.
DR   Pfam; PF02527; GidB; 1.
DR   PIRSF; PIRSF003078; GidB; 1.
DR   SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE   3: Inferred from homology;
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00074};
KW   Methyltransferase {ECO:0000256|HAMAP-Rule:MF_00074};
KW   rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW   Rule:MF_00074}; S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_00074};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_00074}.
FT   BINDING         75
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00074"
FT   BINDING         80
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00074"
FT   BINDING         126..127
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00074"
FT   BINDING         141
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00074"
SQ   SEQUENCE   209 AA;  23347 MW;  9A5FABEEDB9F32D5 CRC64;
     MTVLNKLSRL LADAGISLTD HQKTLLVAYV DMLHKWNKAY NLTSVRDPNE MLVRHILDSI
     VVAPYLQGQR FIDVGTGPGL PGIPLAIVLP DAHFTLLDSL GKRVRFLRQV QHELKLENIT
     PVQSRVEAYP SEPPFDGVIS RAFASLNDMV SWCHHLPGEK GRFYALKGQL PGDEIASLPD
     NFSVESVEKL RVPQLEGERH LAIIKSNKV
//