ID I3TRB7_TISMK Unreviewed; 383 AA.
AC I3TRB7;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 47.
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 {ECO:0000256|HAMAP-Rule:MF_01877};
GN OrderedLocusNames=TMO_3467 {ECO:0000313|EMBL:AFK55305.1};
OS Tistrella mobilis (strain KA081020-065).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Geminicoccales;
OC Geminicoccaceae; Tistrella.
OX NCBI_TaxID=1110502 {ECO:0000313|EMBL:AFK55305.1, ECO:0000313|Proteomes:UP000005258};
RN [1] {ECO:0000313|EMBL:AFK55305.1, ECO:0000313|Proteomes:UP000005258}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KA081020-065 {ECO:0000313|EMBL:AFK55305.1,
RC ECO:0000313|Proteomes:UP000005258};
RX PubMed=22458477; DOI=10.1021/ja301735a;
RA Xu Y., Kersten R.D., Nam S.J., Lu L., Al-Suwailem A.M., Zheng H.,
RA Fenical W., Dorrestein P.C., Moore B.S., Qian P.Y.;
RT "Bacterial biosynthesis and maturation of the didemnin anti-cancer
RT agents.";
RL J. Am. Chem. Soc. 134:8625-8632(2012).
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; CP003236; AFK55305.1; -; Genomic_DNA.
DR AlphaFoldDB; I3TRB7; -.
DR STRING; 1110502.TMO_3467; -.
DR KEGG; tmo:TMO_3467; -.
DR PATRIC; fig|1110502.3.peg.3554; -.
DR eggNOG; COG0313; Bacteria.
DR HOGENOM; CLU_044779_2_1_5; -.
DR Proteomes; UP000005258; 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 InterPro; IPR018063; SAM_MeTrfase_RsmI_CS.
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 SUPFAM; SSF53790; Tetrapyrrole methylase; 1.
DR PROSITE; PS01296; RSMI; 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:UP000005258};
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 92..291
FT /note="Tetrapyrrole methylase"
FT /evidence="ECO:0000259|Pfam:PF00590"
FT REGION 1..89
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 383 AA; 39664 MW; 1DB6D0B932FB0996 CRC64;
MTTRASDEAG GGAGRVQPDG HGTGQFSRDR ISSDVVAAEA GPAGHESGHG PDCGDQGGDQ
SNGSPGPRQH TDDPEGEAGP PPRAGRRIDP GLYAVATPIG NLGDMTPRAL DVLGQADLVL
CEDTRTTGRL LGHWGVRAKL APYHEHNAAR MRPEVLRRLE AGERIALVSD AGTPLVSDPG
YKLVREAAGA GHQVRAVPGA SALTAALSIA GLPTDRVLFL GFPPAKPGER RSSFAGLAHE
PATLVFYESP NRIARTLAEL AELLGPRQAA VARELTKLYE EVVRGPLPEL AARFEAAPPR
GEIVLLIEGH RTPAREAAGE GDALPAGGAL DAAAVEKLLP PLVKALGANR AARLLAELTG
APRKAFYARA VALTGDDDAE GEG
//
