ID D1YWH6_METPS Unreviewed; 276 AA.
AC D1YWH6;
DT 09-FEB-2010, integrated into UniProtKB/TrEMBL.
DT 09-FEB-2010, sequence version 1.
DT 24-JAN-2024, entry version 65.
DE RecName: Full=Probable ribosomal RNA small subunit methyltransferase A {ECO:0000256|HAMAP-Rule:MF_00607};
DE EC=2.1.1.- {ECO:0000256|HAMAP-Rule:MF_00607};
DE AltName: Full=16S rRNA dimethyladenosine transferase {ECO:0000256|HAMAP-Rule:MF_00607};
DE AltName: Full=16S rRNA dimethylase {ECO:0000256|HAMAP-Rule:MF_00607};
DE AltName: Full=S-adenosylmethionine-6-N',N'-adenosyl(rRNA) dimethyltransferase {ECO:0000256|HAMAP-Rule:MF_00607};
GN Name=rsmA {ECO:0000256|HAMAP-Rule:MF_00607};
GN Synonyms=ksgA {ECO:0000256|HAMAP-Rule:MF_00607,
GN ECO:0000313|EMBL:BAI60798.1};
GN OrderedLocusNames=MCP_0726 {ECO:0000313|EMBL:BAI60798.1};
OS Methanocella paludicola (strain DSM 17711 / JCM 13418 / NBRC 101707 /
OS SANAE).
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanocellales; Methanocellaceae; Methanocella.
OX NCBI_TaxID=304371 {ECO:0000313|EMBL:BAI60798.1, ECO:0000313|Proteomes:UP000001882};
RN [1] {ECO:0000313|Proteomes:UP000001882}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17711 / JCM 13418 / NBRC 101707 / SANAE
RC {ECO:0000313|Proteomes:UP000001882};
RX PubMed=21829548; DOI=10.1371/journal.pone.0022898;
RA Sakai S., Takaki Y., Shimamura S., Sekine M., Tajima T., Kosugi H.,
RA Ichikawa N., Tasumi E., Hiraki A.T., Shimizu A., Kato Y., Nishiko R.,
RA Mori K., Fujita N., Imachi H., Takai K.;
RT "Genome sequence of a mesophilic hydrogenotrophic methanogen Methanocella
RT paludicola, the first cultivated representative of the order
RT Methanocellales.";
RL PLoS ONE 6:E22898-E22898(2011).
CC -!- FUNCTION: Specifically dimethylates two adjacent adenosines in the loop
CC of a conserved hairpin near the 3'-end of 16S rRNA in the 30S particle.
CC May play a critical role in biogenesis of 30S subunits.
CC {ECO:0000256|HAMAP-Rule:MF_00607}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00607}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. rRNA adenine N(6)-methyltransferase family. RsmA
CC subfamily. {ECO:0000256|HAMAP-Rule:MF_00607}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00607,
CC ECO:0000256|PROSITE-ProRule:PRU01026}.
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DR EMBL; AP011532; BAI60798.1; -; Genomic_DNA.
DR AlphaFoldDB; D1YWH6; -.
DR STRING; 304371.MCP_0726; -.
DR KEGG; mpd:MCP_0726; -.
DR PATRIC; fig|304371.9.peg.751; -.
DR eggNOG; arCOG04131; Archaea.
DR InParanoid; D1YWH6; -.
DR OMA; KEEEPYF; -.
DR Proteomes; UP000001882; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000179; F:rRNA (adenine-N6,N6-)-dimethyltransferase activity; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 1.10.8.100; Ribosomal RNA adenine dimethylase-like, domain 2; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_00607; 16SrRNA_methyltr_A; 1.
DR InterPro; IPR001737; KsgA/Erm.
DR InterPro; IPR023165; rRNA_Ade_diMease-like_C.
DR InterPro; IPR020596; rRNA_Ade_Mease_Trfase_CS.
DR InterPro; IPR020598; rRNA_Ade_methylase_Trfase_N.
DR InterPro; IPR011530; rRNA_adenine_dimethylase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR NCBIfam; TIGR00755; ksgA; 1.
DR PANTHER; PTHR11727; DIMETHYLADENOSINE TRANSFERASE; 1.
DR PANTHER; PTHR11727:SF7; DIMETHYLADENOSINE TRANSFERASE-RELATED; 1.
DR Pfam; PF00398; RrnaAD; 1.
DR SMART; SM00650; rADc; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS01131; RRNA_A_DIMETH; 1.
DR PROSITE; PS51689; SAM_RNA_A_N6_MT; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00607};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_00607};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00607};
KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW Rule:MF_00607};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_00607};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00607}.
FT DOMAIN 27..190
FT /note="Ribosomal RNA adenine methylase transferase N-
FT terminal"
FT /evidence="ECO:0000259|SMART:SM00650"
FT BINDING 20
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00607,
FT ECO:0000256|PROSITE-ProRule:PRU01026"
FT BINDING 22
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00607,
FT ECO:0000256|PROSITE-ProRule:PRU01026"
FT BINDING 47
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00607,
FT ECO:0000256|PROSITE-ProRule:PRU01026"
FT BINDING 68
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00607,
FT ECO:0000256|PROSITE-ProRule:PRU01026"
FT BINDING 107
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00607,
FT ECO:0000256|PROSITE-ProRule:PRU01026"
SQ SEQUENCE 276 AA; 30890 MW; 43462D1F68B4BE01 CRC64;
MPAFTALTAF IAPDKRKDQH FLIDLNILKK IVAIADIHKD EDVLEIGTGP GNLTELLAQK
ARHVYTIEMD PALVALLEEK FKGSNVTIIK GNALKVEFPR FDKVVANLPY SISSDVTFKL
LKNNFKLGIL MYQREFAQRM IARVGEPDYS RLSVDVQHFA DVEILMKVPP QAFSPPPEVE
SAVVRVTPRP AAYSVKDRAL FMALVTAAFT QRRKRLRNAL VNGAHIMGIH GMKALVSRLP
PDLMDKRAEE VSPEEYAALA DRLYELTAHE RSGLSK
//