ID D5BUC0_PUNMI Unreviewed; 281 AA.
AC D5BUC0;
DT 15-JUN-2010, integrated into UniProtKB/TrEMBL.
DT 15-JUN-2010, sequence version 1.
DT 27-MAR-2024, entry version 62.
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=SAR116_1624 {ECO:0000313|EMBL:ADE39867.1};
OS Puniceispirillum marinum (strain IMCC1322).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; SAR116 cluster;
OC Puniceispirillum.
OX NCBI_TaxID=488538 {ECO:0000313|EMBL:ADE39867.1, ECO:0000313|Proteomes:UP000007460};
RN [1] {ECO:0000313|EMBL:ADE39867.1, ECO:0000313|Proteomes:UP000007460}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IMCC1322 {ECO:0000313|EMBL:ADE39867.1,
RC ECO:0000313|Proteomes:UP000007460};
RX PubMed=20382761; DOI=10.1128/JB.00347-10;
RA Oh H.M., Kwon K.K., Kang I., Kang S.G., Lee J.H., Kim S.J., Cho J.C.;
RT "Complete genome sequence of "Candidatus Puniceispirillum marinum"
RT IMCC1322, a representative of the SAR116 clade in the
RT Alphaproteobacteria.";
RL J. Bacteriol. 192:3240-3241(2010).
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; CP001751; ADE39867.1; -; Genomic_DNA.
DR RefSeq; WP_013046494.1; NC_014010.1.
DR AlphaFoldDB; D5BUC0; -.
DR STRING; 488538.SAR116_1624; -.
DR KEGG; apb:SAR116_1624; -.
DR eggNOG; COG0313; Bacteria.
DR HOGENOM; CLU_044779_2_1_5; -.
DR Proteomes; UP000007460; 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:UP000007460};
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 8..208
FT /note="Tetrapyrrole methylase"
FT /evidence="ECO:0000259|Pfam:PF00590"
SQ SEQUENCE 281 AA; 30616 MW; 3BFB4D5B563A821C CRC64;
MRDDYGLLSV VATPIGNLGD FSPRAAACLE TADIIACEDT RMTRKLLTLT GISSVARLYA
YHDHNGHTMR PKLIKQLLAG KNIALVSDAG TPLISDPGFK LVAACHDHNI TVTSIPGPSA
PITALAAAGL PTDKFMFAGF IPATPKAARD ALTEVASLTF TTIWFATPKR LSATLHMMRD
IFGDRLAVVA RELTKMHEHI HRGTLTELCN HYDTTDTPKG ELVILVEGRK KDESLFDDVT
IEQMLRAELE GASVRDAVQA ITDITGQPRK KIYKLAIDIQ E
//
