ID   RSMC_ECOLC              Reviewed;         343 AA.
AC   B1IS49;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   02-SEP-2026, entry version 81.
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=EcolC_3686;
OS   Escherichia coli (strain ATCC 8739 / DSM 1576 / NBRC 3972 / NCIMB 8545 /
OS   WDCM 00012 / Crooks).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=481805;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8739 / DSM 1576 / NBRC 3972 / NCIMB 8545 / WDCM 00012 /
RC   Crooks;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Kiss H., Brettin T., Detter J.C., Han C.,
RA   Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Ingram L., Richardson P.;
RT   "Complete sequence of Escherichia coli C str. ATCC 8739.";
RL   Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
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 = N(2)-
CC         methylguanosine(1207) in 16S rRNA + S-adenosyl-L-homocysteine + H(+);
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; CP000946; ACA79297.1; -; Genomic_DNA.
DR   RefSeq; WP_001272323.1; NC_010468.1.
DR   AlphaFoldDB; B1IS49; -.
DR   SMR; B1IS49; -.
DR   KEGG; ecl:EcolC_3686; -.
DR   HOGENOM; CLU_049581_0_1_6; -.
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   GO; GO:0031167; P:rRNA methylation; IEA:UniProtKB-UniRule.
DR   CDD; cd02440; AdoMet_MTases; 1.
DR   FunFam; 3.40.50.150:FF:000058; Ribosomal RNA small subunit methyltransferase C; 1.
DR   FunFam; 3.40.50.150:FF:000063; Ribosomal RNA small subunit methyltransferase C; 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   NCBIfam; NF007023; PRK09489.1; 1.
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_0000369699"
SQ   SEQUENCE   343 AA;  37611 MW;  7551917B37E40B72 CRC64;
     MSAFTPASEV LLRHSDDFEQ SRILFAGDLQ DDLPARLDTA ASRAHTQQFH HWQVLSRQMG
     DNARFSLVAT ADDVADCDTL IYYWPKNKPE AQFQLMNLLS LLPVGTDIFV VGENRSGVRS
     AEQMLADYAP LNKVDSARRC GLYFGRLEKQ PVFDADKFWG EYSVDGLTVK TLPGVFSRDG
     LDVGSQLLLS TLTPHTKGKV LDVGCGAGVL SVAFARHSPK IRLTLCDVSA PAVEASRATL
     AANGVEGEVF ASNVFSEVKG RFDMIISNPP FHDGMQTSLD AAQTLIRGAV RHLNSGGELR
     IVANAFLPYP DVLDETFGFH EVIAQTGRFK VYRAIMTRQA KKG
//