ID   RSMJ_ALTMD              Reviewed;         258 AA.
AC   B4S2X7; F2G2U7;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 73.
DE   RecName: Full=Ribosomal RNA small subunit methyltransferase J {ECO:0000255|HAMAP-Rule:MF_01523};
DE            EC=2.1.1.242 {ECO:0000255|HAMAP-Rule:MF_01523};
DE   AltName: Full=16S rRNA m2G1516 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01523};
DE   AltName: Full=rRNA (guanine-N(2)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01523};
GN   Name=rsmJ {ECO:0000255|HAMAP-Rule:MF_01523};
GN   OrderedLocusNames=MADE_1000790;
OS   Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS   ecotype).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX   NCBI_TaxID=1774373;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17117 / CIP 110805 / LMG 28347 / Deep ecotype;
RX   PubMed=18670397; DOI=10.1038/ismej.2008.74;
RA   Ivars-Martinez E., Martin-Cuadrado A.-B., D'Auria G., Mira A., Ferriera S.,
RA   Johnson J., Friedman R., Rodriguez-Valera F.;
RT   "Comparative genomics of two ecotypes of the marine planktonic copiotroph
RT   Alteromonas macleodii suggests alternative lifestyles associated with
RT   different kinds of particulate organic matter.";
RL   ISME J. 2:1194-1212(2008).
CC   -!- FUNCTION: Specifically methylates the guanosine in position 1516 of 16S
CC       rRNA. {ECO:0000255|HAMAP-Rule:MF_01523}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=guanosine(1516) in 16S rRNA + S-adenosyl-L-methionine = H(+) +
CC         N(2)-methylguanosine(1516) in 16S rRNA + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:43220, Rhea:RHEA-COMP:10412, Rhea:RHEA-COMP:10413,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.242;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01523};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01523}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmJ family.
CC       {ECO:0000255|HAMAP-Rule:MF_01523}.
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DR   EMBL; CP001103; AEA96307.1; -; Genomic_DNA.
DR   RefSeq; WP_012516681.1; NC_011138.3.
DR   AlphaFoldDB; B4S2X7; -.
DR   SMR; B4S2X7; -.
DR   EnsemblBacteria; AEA96307; AEA96307; MADE_1000790.
DR   GeneID; 56340769; -.
DR   KEGG; amc:MADE_1000790; -.
DR   PATRIC; fig|314275.5.peg.163; -.
DR   HOGENOM; CLU_076324_0_1_6; -.
DR   OMA; SRYDIYP; -.
DR   Proteomes; UP000001870; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008990; F:rRNA (guanine-N2-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_01523; 16SrRNA_methyltr_J; 1.
DR   InterPro; IPR007536; 16SrRNA_methylTrfase_J.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR36112; PTHR36112; 1.
DR   Pfam; PF04445; SAM_MT; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..258
FT                   /note="Ribosomal RNA small subunit methyltransferase J"
FT                   /id="PRO_0000383373"
FT   BINDING         111..112
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01523"
FT   BINDING         127..128
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01523"
FT   BINDING         179
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01523"
SQ   SEQUENCE   258 AA;  28163 MW;  AB53292D96BE55B3 CRC64;
     MLNSVPLVIA QHSTQDDTSL LNSIGNKWGF PVVSHSEKPA EGFYLQIQNG VLGLADASEK
     KVLPVEVDFA SPASLYRKQH GGGRKEPIVK AIGLKGNEGW HVVDATPGLG RDAFVLVSVG
     CKVTMIERSP IVAALLEDGI RRLALSFPEL AAKMSLQHGN SAEVMQYFTG ENVNAIYLDP
     MFPHKKKSAL VKKEMRLFQQ LLGHDPDADA LLPPALKLAT HRVVVKRPNS ADVLAGEKPS
     MAIESKKHRF DVYLCQKP