ID A0A0S2I1K2_9BACT Unreviewed; 222 AA.
AC A0A0S2I1K2;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 24-JAN-2024, entry version 26.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase I {ECO:0000256|HAMAP-Rule:MF_01877};
DE EC=2.1.1.198 {ECO:0000256|HAMAP-Rule:MF_01877};
DE AltName: Full=16S rRNA 2'-O-ribose C1402 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01877};
DE AltName: Full=rRNA (cytidine-2'-O-)-methyltransferase RsmI {ECO:0000256|HAMAP-Rule:MF_01877};
GN Name=rsmI_2 {ECO:0000313|EMBL:ALO16259.1};
GN Synonyms=rsmI {ECO:0000256|HAMAP-Rule:MF_01877};
GN ORFNames=L21SP5_02636 {ECO:0000313|EMBL:ALO16259.1};
OS Salinivirga cyanobacteriivorans.
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Salinivirgaceae;
OC Salinivirga.
OX NCBI_TaxID=1307839 {ECO:0000313|EMBL:ALO16259.1, ECO:0000313|Proteomes:UP000064893};
RN [1] {ECO:0000313|EMBL:ALO16259.1, ECO:0000313|Proteomes:UP000064893}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=L21-Spi-D4 {ECO:0000313|EMBL:ALO16259.1,
RC ECO:0000313|Proteomes:UP000064893};
RA Spring S., Bunk B., Sproer C., Klenk H.-P.;
RT "Description and complete genome sequence of a novel strain predominating
RT in hypersaline microbial mats and representing a new family of the
RT Bacteriodetes phylum.";
RL Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the 2'-O-methylation of the ribose of cytidine 1402
CC (C1402) in 16S rRNA. {ECO:0000256|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:0000256|HAMAP-Rule:MF_01877};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01877}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmI family.
CC {ECO:0000256|HAMAP-Rule:MF_01877}.
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DR EMBL; CP013118; ALO16259.1; -; Genomic_DNA.
DR RefSeq; WP_057953647.1; NZ_CP013118.1.
DR AlphaFoldDB; A0A0S2I1K2; -.
DR STRING; 1307839.L21SP5_02636; -.
DR KEGG; blq:L21SP5_02636; -.
DR PATRIC; fig|1307839.3.peg.2767; -.
DR OrthoDB; 9809084at2; -.
DR Proteomes; UP000064893; 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 CDD; cd11648; RsmI; 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 NCBIfam; TIGR00096; 16S rRNA (cytidine(1402)-2'-O)-methyltransferase; 1.
DR PANTHER; PTHR46111; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE I; 1.
DR PANTHER; PTHR46111:SF1; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE I; 1.
DR Pfam; PF00590; TP_methylase; 1.
DR PIRSF; PIRSF005917; MTase_YraL; 1.
DR SUPFAM; SSF53790; Tetrapyrrole methylase; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01877};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_01877}; Reference proteome {ECO:0000313|Proteomes:UP000064893};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW Rule:MF_01877};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01877};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01877}.
FT DOMAIN 1..200
FT /note="Tetrapyrrole methylase"
FT /evidence="ECO:0000259|Pfam:PF00590"
SQ SEQUENCE 222 AA; 25178 MW; 5504D9FEFD97E645 CRC64;
MLNIVPTPIG NLEDMTFRAI NVLKAAEVIL AEDTRKTKNL LEHYEITYDE LIAYHKFNEH
KQLQKFVELA QAKNVALVTD AGTPGISDPG FLLIRECLKE GIQVLTLPGA TAFVPALVNS
GLPCDKFYFE GFLPHKKGRQ KRLNYLKELD QTIVLYESPY RIVKTLEQLS EFFGQGRKAS
VSREISKIYE ETIRGNLIEL IEHFKNKPPK GEFVIIIEGA NT
//
