ID RSMH_KOSOT Reviewed; 298 AA.
AC C5CGS3;
DT 03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase H {ECO:0000255|HAMAP-Rule:MF_01007};
DE EC=2.1.1.199 {ECO:0000255|HAMAP-Rule:MF_01007};
DE AltName: Full=16S rRNA m(4)C1402 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01007};
DE AltName: Full=rRNA (cytosine-N(4)-)-methyltransferase RsmH {ECO:0000255|HAMAP-Rule:MF_01007};
GN Name=rsmH {ECO:0000255|HAMAP-Rule:MF_01007}; Synonyms=mraW;
GN OrderedLocusNames=Kole_1911;
OS Kosmotoga olearia (strain ATCC BAA-1733 / DSM 21960 / TBF 19.5.1).
OC Bacteria; Thermotogota; Thermotogae; Kosmotogales; Kosmotogaceae;
OC Kosmotoga.
OX NCBI_TaxID=521045;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1733 / DSM 21960 / TBF 19.5.1;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., Han C.,
RA Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G.,
RA Noll K.;
RT "Complete sequence of Thermotogales bacterium TBF 19.5.1.";
RL Submitted (JUN-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the N4 position of cytidine in
CC position 1402 (C1402) of 16S rRNA. {ECO:0000255|HAMAP-Rule:MF_01007}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=cytidine(1402) in 16S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(4)-methylcytidine(1402) in 16S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42928, Rhea:RHEA-COMP:10286, Rhea:RHEA-COMP:10287,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74506, ChEBI:CHEBI:82748; EC=2.1.1.199;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01007};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01007}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmH family.
CC {ECO:0000255|HAMAP-Rule:MF_01007}.
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DR EMBL; CP001634; ACR80592.1; -; Genomic_DNA.
DR AlphaFoldDB; C5CGS3; -.
DR SMR; C5CGS3; -.
DR STRING; 521045.Kole_1911; -.
DR KEGG; kol:Kole_1911; -.
DR eggNOG; COG0275; Bacteria.
DR HOGENOM; CLU_038422_3_0_0; -.
DR OrthoDB; 9806637at2; -.
DR Proteomes; UP000002382; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0071424; F:rRNA (cytosine-N4-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0070475; P:rRNA base methylation; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 1.10.150.170; Putative methyltransferase TM0872, insert domain; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_01007; 16SrRNA_methyltr_H; 1.
DR InterPro; IPR002903; RsmH.
DR InterPro; IPR023397; SAM-dep_MeTrfase_MraW_recog.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR NCBIfam; TIGR00006; 16S rRNA (cytosine(1402)-N(4))-methyltransferase RsmH; 1.
DR PANTHER; PTHR11265:SF0; 12S RRNA N4-METHYLCYTIDINE METHYLTRANSFERASE; 1.
DR PANTHER; PTHR11265; S-ADENOSYL-METHYLTRANSFERASE MRAW; 1.
DR Pfam; PF01795; Methyltransf_5; 1.
DR PIRSF; PIRSF004486; MraW; 1.
DR SUPFAM; SSF81799; Putative methyltransferase TM0872, insert domain; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..298
FT /note="Ribosomal RNA small subunit methyltransferase H"
FT /id="PRO_0000386938"
FT BINDING 37..39
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 57
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 91
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 105
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
FT BINDING 112
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01007"
SQ SEQUENCE 298 AA; 34045 MW; 904BBC8D6D313883 CRC64;
MQRQYNESHR SVMVQETLHY LRPTYNGVYV DGTLGEGGHT KAIIEATSGK CKVIGLDIDE
EVLAIAEQNL KEFKENVELF NVSYVDFDLV LESLAVDKVD GFLLDIGVST YQLKAKGRGF
SYEIDEPLDM RMSLSGSVTA ADVVNSYPEK ELARIIFEYG EEKRYARRIA RKIVERRPIQ
TTIQLVEAIK AALPPQERFR RKRHYATRTF QAIRIEVNGE LKGLRTALEK FPNYLKPGGR
IVIISFHSLE DRTVKHFFRE QDGVTLKILT RKPVVPSVEE VSENPRARSA KLRAAERI
//
