RSMA_BACAN
ID RSMA_BACAN Reviewed; 292 AA.
AC Q81W00; Q6I503; Q6KYP7;
DT 04-AUG-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 125.
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=BA_0039, GBAA_0039, BAS0040;
OS Bacillus anthracis.
OC Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC Bacillus cereus group.
OX NCBI_TaxID=1392;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ames / isolate Porton;
RX PubMed=12721629; DOI=10.1038/nature01586;
RA Read T.D., Peterson S.N., Tourasse N.J., Baillie L.W., Paulsen I.T.,
RA Nelson K.E., Tettelin H., Fouts D.E., Eisen J.A., Gill S.R.,
RA Holtzapple E.K., Okstad O.A., Helgason E., Rilstone J., Wu M.,
RA Kolonay J.F., Beanan M.J., Dodson R.J., Brinkac L.M., Gwinn M.L.,
RA DeBoy R.T., Madpu R., Daugherty S.C., Durkin A.S., Haft D.H., Nelson W.C.,
RA Peterson J.D., Pop M., Khouri H.M., Radune D., Benton J.L., Mahamoud Y.,
RA Jiang L., Hance I.R., Weidman J.F., Berry K.J., Plaut R.D., Wolf A.M.,
RA Watkins K.L., Nierman W.C., Hazen A., Cline R.T., Redmond C., Thwaite J.E.,
RA White O., Salzberg S.L., Thomason B., Friedlander A.M., Koehler T.M.,
RA Hanna P.C., Kolstoe A.-B., Fraser C.M.;
RT "The genome sequence of Bacillus anthracis Ames and comparison to closely
RT related bacteria.";
RL Nature 423:81-86(2003).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ames ancestor;
RX PubMed=18952800; DOI=10.1128/jb.01347-08;
RA Ravel J., Jiang L., Stanley S.T., Wilson M.R., Decker R.S., Read T.D.,
RA Worsham P., Keim P.S., Salzberg S.L., Fraser-Liggett C.M., Rasko D.A.;
RT "The complete genome sequence of Bacillus anthracis Ames 'Ancestor'.";
RL J. Bacteriol. 191:445-446(2009).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sterne;
RA Brettin T.S., Bruce D., Challacombe J.F., Gilna P., Han C., Hill K.,
RA Hitchcock P., Jackson P., Keim P., Longmire J., Lucas S., Okinaka R.,
RA Richardson P., Rubin E., Tice H.;
RT "Complete genome sequence of Bacillus anthracis Sterne.";
RL Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases.
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; AE016879; AAP24094.1; -; Genomic_DNA.
DR EMBL; AE017334; AAT29118.1; -; Genomic_DNA.
DR EMBL; AE017225; AAT52378.1; -; Genomic_DNA.
DR RefSeq; NP_842608.1; NC_003997.3.
DR RefSeq; WP_000651552.1; NZ_WXXJ01000001.1.
DR RefSeq; YP_026327.1; NC_005945.1.
DR AlphaFoldDB; Q81W00; -.
DR SMR; Q81W00; -.
DR STRING; 261594.GBAA_0039; -.
DR EnsemblBacteria; AAP24094; AAP24094; BA_0039.
DR EnsemblBacteria; AAT29118; AAT29118; GBAA_0039.
DR GeneID; 59159655; -.
DR GeneID; 64204235; -.
DR KEGG; ban:BA_0039; -.
DR KEGG; bar:GBAA_0039; -.
DR KEGG; bat:BAS0040; -.
DR PATRIC; fig|198094.11.peg.37; -.
DR eggNOG; COG0030; Bacteria.
DR HOGENOM; CLU_041220_0_0_9; -.
DR OMA; KEEEPYF; -.
DR Proteomes; UP000000427; Chromosome.
DR Proteomes; UP000000594; 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; Reference proteome; RNA-binding;
KW rRNA processing; S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..292
FT /note="Ribosomal RNA small subunit methyltransferase A"
FT /id="PRO_0000101476"
FT BINDING 28
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 30
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 55
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
FT BINDING 76
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"
FT BINDING 126
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00607"
SQ SEQUENCE 292 AA; 32768 MW; E2F674E63509513D CRC64;
MKDIATPNRT KDIVEKYGFS FKKSLGQNFL IDTNVLNRIV DHAEIGSESG AIEIGPGIGA
LTEQLAKRAK KVVAFEIDQR LLPILDETLA PYGNVTVINK DVLKADVHEV FSEQFEEGQD
VMVVANLPYY ITTPILFKLL EEKLPVRGFV VMMQKEVGDR LAAKPGTKEY GSLSIAIQYY
TEVETVMTVP RTVFVPQPNV DSAIIRLLKR PKPVVEVTDE TFFFEVVRAS FAQRRKTLMN
NLSNNLNGFP KDKELLDRIL TEVGIDPKRR GETLSIEEFA TLSNALVLHK LS
