ID   RSMJ_BUCAP              Reviewed;         249 AA.
AC   Q8K904;
DT   15-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 94.
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}; OrderedLocusNames=BUsg_565;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(2002).
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; AE013218; AAM68101.1; -; Genomic_DNA.
DR   RefSeq; WP_011054067.1; NC_004061.1.
DR   AlphaFoldDB; Q8K904; -.
DR   SMR; Q8K904; -.
DR   STRING; 198804.BUsg_565; -.
DR   EnsemblBacteria; AAM68101; AAM68101; BUsg_565.
DR   KEGG; bas:BUsg_565; -.
DR   eggNOG; COG0742; Bacteria.
DR   HOGENOM; CLU_076324_0_0_6; -.
DR   OMA; SRYDIYP; -.
DR   OrthoDB; 1696461at2; -.
DR   Proteomes; UP000000416; 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..249
FT                   /note="Ribosomal RNA small subunit methyltransferase J"
FT                   /id="PRO_0000212060"
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   249 AA;  29285 MW;  D432EE7CB57D21C5 CRC64;
     MNIYLIINHE NQRIQNLIDK YHLKHDENSS MALIMNSNSL ELYDRSKPRN KSIKVNFSSK
     KNNYRCLNFK KKNEILYKAI GIKKNYFPSV LDATAGLGQD SFLISFLGCY VIMMEYHPVI
     AALLTDGLER GYKDEKIGFW LKKRLHLIYD NSLNILNIPI SQPDVIYLDP MYPINKKKSL
     PKKNMQFLRK LANKDDQSKN LLKVARKFAK KRVVVKRPSY ANPISDEKVD FIISNKYHRF
     DIYLPFKKK