RSMI_BUCAP
ID RSMI_BUCAP Reviewed; 285 AA.
AC Q8KA29;
DT 08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 25-MAY-2022, entry version 99.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase I {ECO:0000255|HAMAP-Rule:MF_01877};
DE EC=2.1.1.198 {ECO:0000255|HAMAP-Rule:MF_01877};
DE AltName: Full=16S rRNA 2'-O-ribose C1402 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01877};
DE AltName: Full=rRNA (cytidine-2'-O-)-methyltransferase RsmI {ECO:0000255|HAMAP-Rule:MF_01877};
GN Name=rsmI {ECO:0000255|HAMAP-Rule:MF_01877}; OrderedLocusNames=BUsg_083;
OS Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=198804;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sg;
RX PubMed=12089438; DOI=10.1126/science.1071278;
RA Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT "50 million years of genomic stasis in endosymbiotic bacteria.";
RL Science 296:2376-2379(2002).
CC -!- FUNCTION: Catalyzes the 2'-O-methylation of the ribose of cytidine 1402
CC (C1402) in 16S rRNA. {ECO:0000255|HAMAP-Rule:MF_01877}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cytidine(1402) in 16S rRNA + S-adenosyl-L-methionine = 2'-O-
CC methylcytidine(1402) in 16S rRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42924, Rhea:RHEA-COMP:10285, Rhea:RHEA-COMP:10286,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74495, ChEBI:CHEBI:82748; EC=2.1.1.198;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01877};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01877}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmI family.
CC {ECO:0000255|HAMAP-Rule:MF_01877}.
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DR EMBL; AE013218; AAM67653.1; -; Genomic_DNA.
DR AlphaFoldDB; Q8KA29; -.
DR SMR; Q8KA29; -.
DR STRING; 198804.BUsg_083; -.
DR EnsemblBacteria; AAM67653; AAM67653; BUsg_083.
DR KEGG; bas:BUsg_083; -.
DR eggNOG; COG0313; Bacteria.
DR HOGENOM; CLU_044779_1_0_6; -.
DR OMA; FIAFHSH; -.
DR Proteomes; UP000000416; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0070677; F:rRNA (cytosine-2'-O-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000453; P:enzyme-directed rRNA 2'-O-methylation; IEA:UniProtKB-UniRule.
DR CDD; cd11648; RsmI; 1.
DR Gene3D; 3.30.950.10; -; 1.
DR Gene3D; 3.40.1010.10; -; 1.
DR HAMAP; MF_01877; 16SrRNA_methyltr_I; 1.
DR InterPro; IPR000878; 4pyrrol_Mease.
DR InterPro; IPR035996; 4pyrrol_Methylase_sf.
DR InterPro; IPR014777; 4pyrrole_Mease_sub1.
DR InterPro; IPR014776; 4pyrrole_Mease_sub2.
DR InterPro; IPR008189; rRNA_ssu_MeTfrase_I.
DR InterPro; IPR018063; SAM_MeTrfase_RsmI_CS.
DR PANTHER; PTHR46111; PTHR46111; 1.
DR Pfam; PF00590; TP_methylase; 1.
DR PIRSF; PIRSF005917; MTase_YraL; 1.
DR SUPFAM; SSF53790; SSF53790; 1.
DR TIGRFAMs; TIGR00096; TIGR00096; 1.
DR PROSITE; PS01296; RSMI; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..285
FT /note="Ribosomal RNA small subunit methyltransferase I"
FT /id="PRO_0000211936"
SQ SEQUENCE 285 AA; 32629 MW; BD460987E0C8EDCB CRC64;
MNSLNKTGLL YIVPTPIGNL SDITYRAVET LKNVNLIAAE NIHHTNILLQ HYNVKNILIS
LNKNNEKKQS DYVINELKKG KKIALVSDAG TPVINDPGYF LVKKCCFLNI KIIPLPGPCA
AITALSASGI STNRFCYEGF LPSKKKIRRD LLKSLKKEIR TIIFYESKHR ILESIKDIIE
TIDENRYLVI AREITKKWEY IYGAKANIIL SWLKEDQSRY KKGEIVIIID GFKELKNKDI
SAKAINTLTI LRNFLSLKQS VFITSKIHKI KKNDLYQHAI KEKDK
