ID A0A1H9EK58_9GAMM Unreviewed; 202 AA.
AC A0A1H9EK58;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE RecName: Full=Ribosomal RNA small subunit methyltransferase D {ECO:0000256|ARBA:ARBA00013682, ECO:0000256|PIRNR:PIRNR004553};
DE EC=2.1.1.171 {ECO:0000256|ARBA:ARBA00012141, ECO:0000256|PIRNR:PIRNR004553};
GN ORFNames=SAMN03080615_00927 {ECO:0000313|EMBL:SEQ25623.1};
OS Amphritea atlantica.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Oceanospirillaceae; Amphritea.
OX NCBI_TaxID=355243 {ECO:0000313|EMBL:SEQ25623.1, ECO:0000313|Proteomes:UP000198749};
RN [1] {ECO:0000313|Proteomes:UP000198749}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18887 {ECO:0000313|Proteomes:UP000198749};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the guanine in position 966 of 16S
CC rRNA in the assembled 30S particle. {ECO:0000256|ARBA:ARBA00002649,
CC ECO:0000256|PIRNR:PIRNR004553}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(966) in 16S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(966) in 16S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:23548, Rhea:RHEA-COMP:10211, Rhea:RHEA-COMP:10212,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.171;
CC Evidence={ECO:0000256|ARBA:ARBA00000252,
CC ECO:0000256|PIRNR:PIRNR004553};
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RsmD family.
CC {ECO:0000256|ARBA:ARBA00005269, ECO:0000256|PIRNR:PIRNR004553}.
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DR EMBL; FOGB01000002; SEQ25623.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H9EK58; -.
DR STRING; 355243.SAMN03080615_00927; -.
DR OrthoDB; 9803017at2; -.
DR Proteomes; UP000198749; Unassembled WGS sequence.
DR GO; GO:0052913; F:16S rRNA (guanine(966)-N(2))-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR002052; DNA_methylase_N6_adenine_CS.
DR InterPro; IPR004398; RNA_MeTrfase_RsmD.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR NCBIfam; TIGR00095; 16S rRNA (guanine(966)-N(2))-methyltransferase RsmD; 1.
DR PANTHER; PTHR43542; METHYLTRANSFERASE; 1.
DR PANTHER; PTHR43542:SF1; METHYLTRANSFERASE; 1.
DR Pfam; PF03602; Cons_hypoth95; 1.
DR PIRSF; PIRSF004553; CHP00095; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS00092; N6_MTASE; 1.
PE 3: Inferred from homology;
KW Coiled coil {ECO:0000256|SAM:Coils};
KW Methyltransferase {ECO:0000256|PIRNR:PIRNR004553,
KW ECO:0000313|EMBL:SEQ25623.1};
KW rRNA processing {ECO:0000256|PIRNR:PIRNR004553};
KW S-adenosyl-L-methionine {ECO:0000256|PIRNR:PIRNR004553};
KW Transferase {ECO:0000256|PIRNR:PIRNR004553, ECO:0000313|EMBL:SEQ25623.1}.
FT COILED 89..116
FT /evidence="ECO:0000256|SAM:Coils"
SQ SEQUENCE 202 AA; 23301 MW; E198CD9B28EBF511 CRC64;
MARRRPERSS QKISSGNQQL RIIGGEWRGR KLNFPEIEGL RPTPDRVRET LFNWLALYIP
GGRCLDLFSG SGALGFEALS RGATHVTMID NSSTVIRQLR QNIQDLKTQY AELITGSALD
WLEKRSSDLE VQFDVVFIDP PFRKDLAEQC CLLLEQKSML TDNAMIYLET EKELTDPRVP
DNWQLYREKT AGQVTYRLYK RS
//