ID A0A0S3QUZ1_THET7 Unreviewed; 267 AA.
AC A0A0S3QUZ1;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 32.
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 ECO:0000313|EMBL:BAT72124.1};
GN ORFNames=TST_1337 {ECO:0000313|EMBL:BAT72124.1};
OS Thermosulfidibacter takaii (strain DSM 17441 / JCM 13301 / NBRC 103674 /
OS ABI70S6).
OC Bacteria; Aquificota; Aquificae; Aquificales.
OX NCBI_TaxID=1298851 {ECO:0000313|EMBL:BAT72124.1, ECO:0000313|Proteomes:UP000063234};
RN [1] {ECO:0000313|Proteomes:UP000063234}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17441 / JCM 13301 / NBRC 103674 / ABI70S6
RC {ECO:0000313|Proteomes:UP000063234};
RX PubMed=29420286; DOI=10.1126/science.aao3407;
RA Nunoura T., Chikaraishi Y., Izaki R., Suwa T., Sato T., Harada T., Mori K.,
RA Kato Y., Miyazaki M., Shimamura S., Yanagawa K., Shuto A., Ohkouchi N.,
RA Fujita N., Takaki Y., Atomi H., Takai K.;
RT "A primordial and reversible TCA cycle in a facultatively
RT chemolithoautotrophic thermophile.";
RL Science 359:559-563(2018).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AP013035; BAT72124.1; -; Genomic_DNA.
DR RefSeq; WP_068550796.1; NZ_AP013035.1.
DR AlphaFoldDB; A0A0S3QUZ1; -.
DR STRING; 1298851.TST_1337; -.
DR KEGG; ttk:TST_1337; -.
DR PATRIC; fig|1298851.3.peg.1412; -.
DR OrthoDB; 9809084at2; -.
DR Proteomes; UP000063234; 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 PIRSF; PIRSF005917; MTase_YraL; 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:UP000063234};
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 4..202
FT /note="Tetrapyrrole methylase"
FT /evidence="ECO:0000259|Pfam:PF00590"
SQ SEQUENCE 267 AA; 30259 MW; B5360DE8B4387084 CRC64;
MAGTLYIVST PIGNLQDITF RALDTLKAVD LIVAEDTRRT QKLLSHFGIK KKMFSLYKPV
EYKRVPAVIE QLRKGLDVAL VSDAGTPLLS DPGYTLVREA INNGIKVVPI PGPSAILAAL
VGSGINPHPF AFYGFLPKKS QRQKFLKELK NKRETLIFFE SPHRLVESLN DMLTILGDRN
CCVAREITKM HEEFVRGSIS QILEEIAKRE VIGEVCIVVE GAKEEIYEWQ IYAERLKEEG
YTNKEIAKIL HLLFGVPRKE IYTYLQR
//
