ID A0A231PPX9_9ACTN Unreviewed; 376 AA.
AC A0A231PPX9;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 20.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase G {ECO:0000256|HAMAP-Rule:MF_01859};
DE EC=2.1.1.174 {ECO:0000256|HAMAP-Rule:MF_01859};
DE AltName: Full=23S rRNA m2G1835 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01859};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RlmG {ECO:0000256|HAMAP-Rule:MF_01859};
GN Name=rlmG {ECO:0000256|HAMAP-Rule:MF_01859};
GN ORFNames=CHR28_03945 {ECO:0000313|EMBL:OXS36781.1};
OS Streptomyces sp. XY006.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2021410 {ECO:0000313|EMBL:OXS36781.1, ECO:0000313|Proteomes:UP000215527};
RN [1] {ECO:0000313|EMBL:OXS36781.1, ECO:0000313|Proteomes:UP000215527}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=XY006 {ECO:0000313|EMBL:OXS36781.1,
RC ECO:0000313|Proteomes:UP000215527};
RA Shan W., Liu H., Zhou Y., Yu X.;
RT "Draft Genome Sequence of Streptomyces sp. XY006, an Endophyte Isolated
RT from Tea (Camellia sinensis).";
RL Submitted (JUL-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the guanine in position 1835
CC (m2G1835) of 23S rRNA. {ECO:0000256|HAMAP-Rule:MF_01859}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(1835) in 23S rRNA + S-adenosyl-L-methionine = H(+) +
CC N(2)-methylguanosine(1835) in 23S rRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42744, Rhea:RHEA-COMP:10217, Rhea:RHEA-COMP:10218,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74481; EC=2.1.1.174;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01859};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01859}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmG family.
CC {ECO:0000256|HAMAP-Rule:MF_01859}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OXS36781.1}.
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DR EMBL; NOKT01000002; OXS36781.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A231PPX9; -.
DR OrthoDB; 29650at2; -.
DR Proteomes; UP000215527; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052916; F:23S rRNA (guanine(1835)-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; 2.
DR HAMAP; MF_01859; 23SrRNA_methyltr_G; 1.
DR InterPro; IPR002052; DNA_methylase_N6_adenine_CS.
DR InterPro; IPR017237; rRNA_m2G-MeTrfase_RlmG.
DR InterPro; IPR046977; RsmC/RlmG.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR007848; Small_mtfrase_dom.
DR PANTHER; PTHR47816:SF5; RIBOSOMAL RNA LARGE SUBUNIT METHYLTRANSFERASE G; 1.
DR PANTHER; PTHR47816; RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE C; 1.
DR Pfam; PF05175; MTS; 1.
DR PIRSF; PIRSF037565; RRNA_m2G_Mtase_RsmD_prd; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS00092; N6_MTASE; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01859};
KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_01859,
KW ECO:0000313|EMBL:OXS36781.1};
KW rRNA processing {ECO:0000256|HAMAP-Rule:MF_01859};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01859};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01859}.
FT DOMAIN 204..372
FT /note="Methyltransferase small"
FT /evidence="ECO:0000259|Pfam:PF05175"
SQ SEQUENCE 376 AA; 40475 MW; 27DE4D85DA3EAAB7 CRC64;
MTTPWGALAL TRFPEDPRET LRAWDASDEY LLRHLEREEV PLSGTVVVVG DRWGALVTAL
AEHRPVQITD SYLTQEATRA NLARAGAEPD AVRLLTTQDP PPERIDVLLV RVPKSLALLE
DQLLRLAPAV HAGTVVVGTG MVKEIHTSTL RLFERILGPT RTSLAEKKAR LILCTPDPAL
ARPAGPWPYV YTLPDGIGAV SGRTVVNHAG VFCADRLDIG TRFFLRHLPE GGGGRVVDLG
CGNGIVGTAV ALADPGAEVL FVDESFQAVA SAEATYRANG GPGRAEFRVG DGLAGVPSGS
VDLVLNNPPF HSHQATTDAT AWRMFSGARR ALRPGGELWV IGNRHLGYHV KLRKLFGNSR
VVASDPKFVV LKAVKR
//
