ID RSMG_LARHH Reviewed; 207 AA.
AC C1D5H2;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 27-MAR-2024, entry version 74.
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=LHK_03011;
OS Laribacter hongkongensis (strain HLHK9).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Neisseriales;
OC Aquaspirillaceae; Laribacter.
OX NCBI_TaxID=557598;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HLHK9;
RX PubMed=19283063; DOI=10.1371/journal.pgen.1000416;
RA Woo P.C.Y., Lau S.K.P., Tse H., Teng J.L.L., Curreem S.O., Tsang A.K.L.,
RA Fan R.Y.Y., Wong G.K.M., Huang Y., Loman N.J., Snyder L.A.S., Cai J.J.,
RA Huang J.-D., Mak W., Pallen M.J., Lok S., Yuen K.-Y.;
RT "The complete genome and proteome of Laribacter hongkongensis reveal
RT potential mechanisms for adaptations to different temperatures and
RT habitats.";
RL PLoS Genet. 5:E1000416-E1000416(2009).
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; CP001154; ACO75989.1; -; Genomic_DNA.
DR RefSeq; WP_012698452.1; NC_012559.1.
DR AlphaFoldDB; C1D5H2; -.
DR SMR; C1D5H2; -.
DR STRING; 557598.LHK_03011; -.
DR GeneID; 75108231; -.
DR KEGG; lhk:LHK_03011; -.
DR eggNOG; COG0357; Bacteria.
DR HOGENOM; CLU_065341_2_0_4; -.
DR Proteomes; UP000002010; 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; 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_1000118190"
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 207 AA; 22950 MW; CE9EF949AC721320 CRC64;
MNLKEELKAG LAELGLALSA PQELLLVHYV ELLDKWNRVY NLTAVRETGR MLSYHVLDSL
AALPLVAGQR ILDVGSGGGM PGIPFAISQP DWSLTLLDAN HKKTTFLKQA VIELGLTNTE
VVCERVEAFQ PERKFDVITS RAFSDLAEFV RLTRHLLAEG GEWAALKGVY PDEEIAQLPE
DVCVREVIEL KVPGLDAERH LVKLGLR
//
