RSMA_MESHJ
ID RSMA_MESHJ Reviewed; 259 AA.
AC Q4A936;
DT 31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2007, sequence version 2.
DT 03-AUG-2022, entry version 92.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase A {ECO:0000255|HAMAP-Rule:MF_00607};
DE EC=2.1.1.182 {ECO:0000255|HAMAP-Rule:MF_00607};
DE AltName: Full=16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))-dimethyltransferase {ECO:0000255|HAMAP-Rule:MF_00607};
DE AltName: Full=16S rRNA dimethyladenosine transferase {ECO:0000255|HAMAP-Rule:MF_00607};
DE AltName: Full=16S rRNA dimethylase {ECO:0000255|HAMAP-Rule:MF_00607};
DE AltName: Full=S-adenosylmethionine-6-N', N'-adenosyl(rRNA) dimethyltransferase {ECO:0000255|HAMAP-Rule:MF_00607};
GN Name=rsmA {ECO:0000255|HAMAP-Rule:MF_00607};
GN Synonyms=ksgA {ECO:0000255|HAMAP-Rule:MF_00607};
GN OrderedLocusNames=MHJ_0652;
OS Mesomycoplasma hyopneumoniae (strain J / ATCC 25934 / NCTC 10110)
OS (Mycoplasma hyopneumoniae).
OC Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mesomycoplasma.
OX NCBI_TaxID=262719;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J / ATCC 25934 / NCTC 10110;
RX PubMed=16077101; DOI=10.1128/jb.187.16.5568-5577.2005;
RA Vasconcelos A.T.R., Ferreira H.B., Bizarro C.V., Bonatto S.L.,
RA Carvalho M.O., Pinto P.M., Almeida D.F., Almeida L.G.P., Almeida R.,
RA Alves-Junior L., Assuncao E.N., Azevedo V.A.C., Bogo M.R., Brigido M.M.,
RA Brocchi M., Burity H.A., Camargo A.A., Camargo S.S., Carepo M.S.,
RA Carraro D.M., de Mattos Cascardo J.C., Castro L.A., Cavalcanti G.,
RA Chemale G., Collevatti R.G., Cunha C.W., Dallagiovanna B., Dambros B.P.,
RA Dellagostin O.A., Falcao C., Fantinatti-Garboggini F., Felipe M.S.S.,
RA Fiorentin L., Franco G.R., Freitas N.S.A., Frias D., Grangeiro T.B.,
RA Grisard E.C., Guimaraes C.T., Hungria M., Jardim S.N., Krieger M.A.,
RA Laurino J.P., Lima L.F.A., Lopes M.I., Loreto E.L.S., Madeira H.M.F.,
RA Manfio G.P., Maranhao A.Q., Martinkovics C.T., Medeiros S.R.B.,
RA Moreira M.A.M., Neiva M., Ramalho-Neto C.E., Nicolas M.F., Oliveira S.C.,
RA Paixao R.F.C., Pedrosa F.O., Pena S.D.J., Pereira M., Pereira-Ferrari L.,
RA Piffer I., Pinto L.S., Potrich D.P., Salim A.C.M., Santos F.R., Schmitt R.,
RA Schneider M.P.C., Schrank A., Schrank I.S., Schuck A.F., Seuanez H.N.,
RA Silva D.W., Silva R., Silva S.C., Soares C.M.A., Souza K.R.L., Souza R.C.,
RA Staats C.C., Steffens M.B.R., Teixeira S.M.R., Urmenyi T.P.,
RA Vainstein M.H., Zuccherato L.W., Simpson A.J.G., Zaha A.;
RT "Swine and poultry pathogens: the complete genome sequences of two strains
RT of Mycoplasma hyopneumoniae and a strain of Mycoplasma synoviae.";
RL J. Bacteriol. 187:5568-5577(2005).
CC -!- FUNCTION: Specifically dimethylates two adjacent adenosines (A1518 and
CC A1519) in the loop of a conserved hairpin near the 3'-end of 16S rRNA
CC in the 30S particle. May play a critical role in biogenesis of 30S
CC subunits. {ECO:0000255|HAMAP-Rule:MF_00607}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosine(1518)/adenosine(1519) in 16S rRNA + 4 S-adenosyl-L-
CC methionine = 4 H(+) + N(6)-dimethyladenosine(1518)/N(6)-
CC dimethyladenosine(1519) in 16S rRNA + 4 S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:19609, Rhea:RHEA-COMP:10232, Rhea:RHEA-COMP:10233,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74411, ChEBI:CHEBI:74493; EC=2.1.1.182;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00607};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|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:0000255|HAMAP-Rule:MF_00607}.
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DR EMBL; AE017243; AAZ44735.2; -; Genomic_DNA.
DR RefSeq; WP_044284731.1; NC_007295.1.
DR AlphaFoldDB; Q4A936; -.
DR SMR; Q4A936; -.
DR STRING; 262719.MHJ_0652; -.
DR PRIDE; Q4A936; -.
DR EnsemblBacteria; AAZ44735; AAZ44735; MHJ_0652.
DR KEGG; mhj:MHJ_0652; -.
DR eggNOG; COG0030; Bacteria.
DR HOGENOM; CLU_041220_0_1_14; -.
DR OMA; KEEEPYF; -.
DR Proteomes; UP000000548; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052908; F:16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))-dimethyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR Gene3D; 1.10.8.100; -; 1.
DR Gene3D; 3.40.50.150; -; 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 PANTHER; PTHR11727; PTHR11727; 1.
DR Pfam; PF00398; RrnaAD; 1.
DR SMART; SM00650; rADc; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR00755; ksgA; 1.
DR PROSITE; PS01131; RRNA_A_DIMETH; 1.
DR PROSITE; PS51689; SAM_RNA_A_N6_MT; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; RNA-binding; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..259
FT /note="Ribosomal RNA small subunit methyltransferase A"
FT /id="PRO_0000257306"
FT BINDING 13
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 15
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 39
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 60
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 84
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 101
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
SQ SEQUENCE 259 AA; 30776 MW; 38D13CB76A297218 CRC64;
MQKPVPKKHL GQNFLKDRKI AEKIVENIDL KNKEIIEIGC GTGFLTNFLL EKAKFVTCYE
IDRNLIPILE KKFKNKNLRI INEDFLLAEL EFKEKKTIIA NLPYYITSKI LFKIFANFEK
FDKIILMVQN EVADRIVAKP KTPTYSKLSL ASQYIAHVKK LFVVGPDSFF PKPKINSAVV
FFDLRTNLDA KKTEQFFWFT KKCFQFKRKT LYNNLIFFLN KQQIEKIYNF FQFAQNIRPQ
QLDLVTYIRL ADFYFNNIF
