ID RSMC_ECOSM Reviewed; 343 AA.
AC B1LEH4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 72.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase C {ECO:0000255|HAMAP-Rule:MF_01862};
DE EC=2.1.1.172 {ECO:0000255|HAMAP-Rule:MF_01862};
DE AltName: Full=16S rRNA m2G1207 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01862};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RsmC {ECO:0000255|HAMAP-Rule:MF_01862};
GN Name=rsmC {ECO:0000255|HAMAP-Rule:MF_01862};
GN OrderedLocusNames=EcSMS35_4918;
OS Escherichia coli (strain SMS-3-5 / SECEC).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=439855;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SMS-3-5 / SECEC;
RX PubMed=18708504; DOI=10.1128/jb.00661-08;
RA Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA Ravel J., Stepanauskas R.;
RT "Insights into the environmental resistance gene pool from the genome
RT sequence of the multidrug-resistant environmental isolate Escherichia coli
RT SMS-3-5.";
RL J. Bacteriol. 190:6779-6794(2008).
CC -!- FUNCTION: Specifically methylates the guanine in position 1207 of 16S
CC rRNA in the 30S particle. {ECO:0000255|HAMAP-Rule:MF_01862}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(1207) in 16S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(1207) in 16S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42736, Rhea:RHEA-COMP:10213, Rhea:RHEA-COMP:10214,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.172;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01862};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01862}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01862}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmC family.
CC {ECO:0000255|HAMAP-Rule:MF_01862}.
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DR EMBL; CP000970; ACB17604.1; -; Genomic_DNA.
DR RefSeq; WP_001272340.1; NC_010498.1.
DR AlphaFoldDB; B1LEH4; -.
DR SMR; B1LEH4; -.
DR KEGG; ecm:EcSMS35_4918; -.
DR HOGENOM; CLU_049581_0_1_6; -.
DR Proteomes; UP000007011; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052914; F:16S rRNA (guanine(1207)-N(2))-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 2.
DR HAMAP; MF_01862; 16SrRNA_methyltr_C; 1.
DR InterPro; IPR002052; DNA_methylase_N6_adenine_CS.
DR InterPro; IPR013675; Mtase_sm_N.
DR InterPro; IPR023543; rRNA_ssu_MeTfrase_C.
DR InterPro; IPR046977; RsmC/RlmG.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR007848; Small_mtfrase_dom.
DR PANTHER; PTHR47816; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE C; 1.
DR PANTHER; PTHR47816:SF4; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE C; 1.
DR Pfam; PF05175; MTS; 1.
DR Pfam; PF08468; MTS_N; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..343
FT /note="Ribosomal RNA small subunit methyltransferase C"
FT /id="PRO_0000369702"
SQ SEQUENCE 343 AA; 37650 MW; 874F6C2E9A140CF5 CRC64;
MSAFTPASEV LLRHSDDFEQ SRILFAGDLQ DDLPARLDTA ASRAHTQQFH HWQVLSRQMG
DNARFSLVAT ANDVADCDTL IYYWPKNKPE AQFQLMNLLS LLPVGTDIFV VGENRSGVRS
AEQMLADYAP LNKVDSARRC GLYFGRLEKQ PVFDANKFWG EYNVDGLTVK TLPGVFSRDG
LDVGSQLLLS TLTPHTKGKV LDVGCGAGVL SVAFARHSPK IRLTLCDVSA PAVEASRATL
AANGIEGEVF ASNVFSEVKG RFDMIISNPP FHDGMQTSLD AAQTLIRGAV RHLNSGGELR
IVANAFLPYP DVLDETFGFH EVIAQTGRFK VYRAIMTRQA KKG
//
