ID   RSMG_CITK8              Reviewed;         207 AA.
AC   A8ACP6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=CKO_00080;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000822; ABV11259.1; -; Genomic_DNA.
DR   RefSeq; WP_012131097.1; NC_009792.1.
DR   AlphaFoldDB; A8ACP6; -.
DR   SMR; A8ACP6; -.
DR   STRING; 290338.CKO_00080; -.
DR   EnsemblBacteria; ABV11259; ABV11259; CKO_00080.
DR   GeneID; 45134381; -.
DR   KEGG; cko:CKO_00080; -.
DR   HOGENOM; CLU_065341_2_2_6; -.
DR   OMA; ICFPHLH; -.
DR   OrthoDB; 1590629at2; -.
DR   Proteomes; UP000008148; 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..207
FT                   /note="Ribosomal RNA small subunit methyltransferase G"
FT                   /id="PRO_1000010133"
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;  23412 MW;  C35D19E4927E808A CRC64;
     MLNKLSRLLD EAGISLTDHQ KNQLIAYVDM LHKWNKAYNL TSVRDPNEML VRHILDSIVM
     APHLQGERFI DVGTGPGLPG IPLSIVRPES HFTLLDSLGK RVRFLRQVQH ELKLENITPV
     QSRVEEFPSE PPFDGVISRA FASLDDMLSW CRHLPGENGR FYALKGQLPE EEIASLPAAF
     SVESVVKLRV PQLEGERHLV VIKPNKI