ID   RSMJ_BUCAT              Reviewed;         246 AA.
AC   B8D8A6;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 58.
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=BUAPTUC7_580;
OS   Buchnera aphidicola subsp. Acyrthosiphon pisum (strain Tuc7).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=561501;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Tuc7;
RX   PubMed=19150844; DOI=10.1126/science.1167140;
RA   Moran N.A., McLaughlin H.J., Sorek R.;
RT   "The dynamics and time scale of ongoing genomic erosion in symbiotic
RT   bacteria.";
RL   Science 323:379-382(2009).
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; CP001158; ACL30371.1; -; Genomic_DNA.
DR   RefSeq; WP_012619594.1; NC_011834.1.
DR   AlphaFoldDB; B8D8A6; -.
DR   SMR; B8D8A6; -.
DR   KEGG; bau:BUAPTUC7_580; -.
DR   HOGENOM; CLU_076324_0_0_6; -.
DR   OMA; SRYDIYP; -.
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..246
FT                   /note="Ribosomal RNA small subunit methyltransferase J"
FT                   /id="PRO_0000383376"
FT   BINDING         115..116
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01523"
FT   BINDING         169
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01523"
SQ   SEQUENCE   246 AA;  29266 MW;  61C909BB70A9E9B8 CRC64;
     MKIYLKFKSY NKRICKLLQL FKLEHDQNCS MGLLINHNSL ELYNRENVNQ KPIKVDFTSK
     KNHYRCHHFR RKNEVLYRVS GIKNSYFPTV LDATAGLGND AFIFSFLGCK VIMIERHPIV
     AALLKDGLQR GYQDKKIGHW LQTRLHLIVN DSLKMLEIPI LQPDVIYLDP MYPFYHKKSL
     PKKDMQFFRQ LIGHNYDSKK LLEVSRKLAK NRIIVKRPYY AKPLSEDKVN HIVTTRNHRF
     DIYQPF