ID RLMG_ALTMD Reviewed; 410 AA.
AC B4RZB4; F2G966;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 23-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 76.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase G {ECO:0000255|HAMAP-Rule:MF_01859};
DE EC=2.1.1.174 {ECO:0000255|HAMAP-Rule:MF_01859};
DE AltName: Full=23S rRNA m2G1835 methyltransferase {ECO:0000255|HAMAP-Rule:MF_01859};
DE AltName: Full=rRNA (guanine-N(2)-)-methyltransferase RlmG {ECO:0000255|HAMAP-Rule:MF_01859};
GN Name=rlmG {ECO:0000255|HAMAP-Rule:MF_01859};
GN OrderedLocusNames=MADE_1003650;
OS Alteromonas mediterranea (strain DSM 17117 / CIP 110805 / LMG 28347 / Deep
OS ecotype).
OC Bacteria; Pseudomonadota; 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 guanine in position 1835
CC (m2G1835) of 23S rRNA. {ECO:0000255|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:0000255|HAMAP-Rule:MF_01859};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01859}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. RlmG family.
CC {ECO:0000255|HAMAP-Rule:MF_01859}.
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DR EMBL; CP001103; AEA96878.1; -; Genomic_DNA.
DR RefSeq; WP_012517232.1; NC_011138.3.
DR AlphaFoldDB; B4RZB4; -.
DR SMR; B4RZB4; -.
DR KEGG; amc:MADE_1003650; -.
DR HOGENOM; CLU_040288_4_0_6; -.
DR Proteomes; UP000001870; Chromosome.
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.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..410
FT /note="Ribosomal RNA large subunit methyltransferase G"
FT /id="PRO_0000366448"
SQ SEQUENCE 410 AA; 45313 MW; ED14E8EE11353804 CRC64;
MNTEFIFADR QLSLIRYPEK HQHVSLQAWD SADELVIEHL ESLLSENELS IGDNESTPSL
MIFNDDFGAL GCWFSHLAPY WVSDSYISLR SLHENLKANS LIRASEGSCT QELKTSPVKT
LTSVESASFK PACAPAVVVI KVPRALALLE QQLIDLQAYI TPETQVIATG KVKAITKSAL
NLFEKYIGPT TTSLAKKKSR LIFATPRDSL KQATSPYPTR WQCKSTMGAA LIIDNLANTF
ARQSLDIGAR IMLEHMTVSA NDVVVDLGCG NGVLGVNALS LAPDAKVIFV DESYMALESA
RLNVLNNFPD KIEQCEFVAS NCLETLLNRE NKPAVTKILC NPPFHQQNAI TDHIAWQMFT
DSRDLLVKSG HLVVVGNRHL EYHIKLKKLF GGAKVLASDK KFVILGTAKR
//
