ID   RSMG_COLP3              Reviewed;         209 AA.
AC   Q47U39;
DT   22-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=CPS_5046;
OS   Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS   psychroerythus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Colwelliaceae; Colwellia.
OX   NCBI_TaxID=167879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=34H / ATCC BAA-681;
RX   PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA   Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA   Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA   Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA   Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA   Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT   "The psychrophilic lifestyle as revealed by the genome sequence of
RT   Colwellia psychrerythraea 34H through genomic and proteomic analyses.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(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; CP000083; AAZ24651.1; -; Genomic_DNA.
DR   RefSeq; WP_011045764.1; NC_003910.7.
DR   AlphaFoldDB; Q47U39; -.
DR   SMR; Q47U39; -.
DR   STRING; 167879.CPS_5046; -.
DR   EnsemblBacteria; AAZ24651; AAZ24651; CPS_5046.
DR   KEGG; cps:CPS_5046; -.
DR   eggNOG; COG0357; Bacteria.
DR   HOGENOM; CLU_065341_2_2_6; -.
DR   OMA; ICFPHLH; -.
DR   OrthoDB; 1590629at2; -.
DR   Proteomes; UP000000547; 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..209
FT                   /note="Ribosomal RNA small subunit methyltransferase G"
FT                   /id="PRO_0000184239"
FT   BINDING         75
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         80
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         126..127
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
FT   BINDING         141
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00074"
SQ   SEQUENCE   209 AA;  23656 MW;  F4D2B1D19563D4FA CRC64;
     MTLSQQLSTL ISKTQLVVSQ EQIDLLIQYV ELLNKWNKAY NLTSVRDPSE MLVKHIMDSL
     MVGEVLIGKN FIDVGTGPGL PGIPLAILYP ERNFVLLDSL GKRITFLRQV VFQLKLSNVT
     PVKARVEEYQ GEEPFDGVLS RAFSSLNDMV SWCKHLITTE QGRFFALKGQ YPQDEISQLP
     ENITLVDSHE IIVPDLVGER HVIVLKKLH