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Database: UniProt
Entry: C5C9C7_MICLC
LinkDB: C5C9C7_MICLC
Original site: C5C9C7_MICLC 
ID   C5C9C7_MICLC            Unreviewed;       307 AA.
AC   C5C9C7;
DT   28-JUL-2009, integrated into UniProtKB/TrEMBL.
DT   28-JUL-2009, sequence version 1.
DT   24-JAN-2024, entry version 91.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase A {ECO:0000256|HAMAP-Rule:MF_00607};
DE            EC=2.1.1.182 {ECO:0000256|HAMAP-Rule:MF_00607};
DE   AltName: Full=16S rRNA (adenine(1518)-N(6)/adenine(1519)-N(6))-dimethyltransferase {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   ECO:0000313|EMBL:SQG49029.1};
GN   Synonyms=ksgA {ECO:0000256|HAMAP-Rule:MF_00607};
GN   OrderedLocusNames=Mlut_05390 {ECO:0000313|EMBL:ACS30079.1};
GN   ORFNames=NCTC2665_01559 {ECO:0000313|EMBL:SQG49029.1};
OS   Micrococcus luteus (strain ATCC 4698 / DSM 20030 / JCM 1464 / NBRC 3333 /
OS   NCIMB 9278 / NCTC 2665 / VKM Ac-2230) (Micrococcus lysodeikticus).
OC   Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Micrococcaceae;
OC   Micrococcus.
OX   NCBI_TaxID=465515 {ECO:0000313|EMBL:ACS30079.1, ECO:0000313|Proteomes:UP000000738};
RN   [1] {ECO:0000313|EMBL:ACS30079.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=NCTC 2665 {ECO:0000313|EMBL:ACS30079.1};
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Lowry S., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Lykidis A., Young M., Greenblatt C.;
RT   "Complete sequence of Micrococcus luteus NCTC 2665.";
RL   Submitted (MAY-2009) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|Proteomes:UP000000738}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 4698 / DSM 20030 / JCM 1464 / NBRC 3333 / NCIMB 9278 /
RC   NCTC 2665 / VKM Ac-2230 {ECO:0000313|Proteomes:UP000000738};
RX   PubMed=19948807; DOI=10.1128/JB.01254-09;
RA   Young M., Artsatbanov V., Beller H.R., Chandra G., Chater K.F., Dover L.G.,
RA   Goh E.B., Kahan T., Kaprelyants A.S., Kyrpides N., Lapidus A., Lowry S.R.,
RA   Lykidis A., Mahillon J., Markowitz V., Mavromatis K., Mukamolova G.V.,
RA   Oren A., Rokem J.S., Smith M.C., Young D.I., Greenblatt C.L.;
RT   "Genome sequence of the Fleming strain of Micrococcus luteus, a simple
RT   free-living actinobacterium.";
RL   J. Bacteriol. 192:841-860(2010).
RN   [3] {ECO:0000313|EMBL:SQG49029.1, ECO:0000313|Proteomes:UP000248985}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCTC2665 {ECO:0000313|EMBL:SQG49029.1,
RC   ECO:0000313|Proteomes:UP000248985};
RG   Pathogen Informatics;
RA   Doyle S.;
RL   Submitted (JUN-2018) 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:0000256|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: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}.
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DR   EMBL; CP001628; ACS30079.1; -; Genomic_DNA.
DR   EMBL; LS483396; SQG49029.1; -; Genomic_DNA.
DR   RefSeq; WP_010079292.1; NZ_WBMF01000013.1.
DR   AlphaFoldDB; C5C9C7; -.
DR   STRING; 465515.Mlut_05390; -.
DR   EnsemblBacteria; ACS30079; ACS30079; Mlut_05390.
DR   KEGG; mlu:Mlut_05390; -.
DR   PATRIC; fig|465515.4.peg.508; -.
DR   eggNOG; COG0030; Bacteria.
DR   HOGENOM; CLU_041220_1_1_11; -.
DR   OMA; KEEEPYF; -.
DR   Proteomes; UP000000738; Chromosome.
DR   Proteomes; UP000248985; Chromosome 1.
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-UniRule.
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}; Reference proteome {ECO:0000313|Proteomes:UP000000738};
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          44..227
FT                   /note="Ribosomal RNA adenine methylase transferase N-
FT                   terminal"
FT                   /evidence="ECO:0000259|SMART:SM00650"
FT   BINDING         37
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         39
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         64
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         85
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         115
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         142
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   307 AA;  31932 MW;  444BF8841A98B67B CRC64;
     MVQPSPHPVP APLLSAADVR RIAAELDLRP TKQWGQNFVI DPNTIRRIVQ AADVSADEHV
     LEIGPGLGSL TLGLLDAAAA VTAVEIDPVT AARLPRTAAE FRPGAEDALA VLHADAMTLS
     EQALAEVRPA AAAGSPTALV ANLPYNVAVP VLLHALAVLP GLRHGLVMVQ EEVADRLAAG
     PGSKVYGVPS AKAAWYADVR KAGTIGTQVF WPAPRIHSGL VAFTRREPPA GSASRREVFA
     VVDAAFAQRR KTLRAALASW AGSPPAAEDA LVAAGVDPRA RGEALDIAAF ARIAEHGPRR
     AAEEVSA
//
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