AC MF_01887; DC Protein; auto TR HAMAP; MF_01887; -; 1; level=0 XX Names: 23SrRNA_methyltr_B XX ID RLMB DE RecName: Full=23S rRNA (guanosine-2'-O-)-methyltransferase RlmB; DE EC=2.1.1.185; DE AltName: Full=23S rRNA (guanosine2251 2'-O)-methyltransferase; DE AltName: Full=23S rRNA Gm2251 2'-O-methyltransferase; GN Name=rlmB; XX CC -!- FUNCTION: Specifically methylates the ribose of guanosine 2251 in 23S CC rRNA. CC -!- CATALYTIC ACTIVITY: CC Reaction=guanosine(2251) in 23S rRNA + S-adenosyl-L-methionine = 2'-O- CC methylguanosine(2251) in 23S rRNA + H(+) + S-adenosyl-L-homocysteine; CC Xref=Rhea:RHEA:24140, Rhea:RHEA-COMP:10239, Rhea:RHEA-COMP:10241, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, CC ChEBI:CHEBI:74269, ChEBI:CHEBI:74445; EC=2.1.1.185; case CC -!- SUBUNIT: Homodimer. end case CC -!- SUBCELLULAR LOCATION: Cytoplasm. CC -!- SIMILARITY: Belongs to the class IV-like SAM-binding methyltransferase CC superfamily. RNA methyltransferase TrmH family. RlmB subfamily. XX DR Pfam; PF00588; SpoU_methylase; 1; trigger=no DR Pfam; PF08032; SpoU_sub_bind; 1; trigger=no DR NCBIfam; TIGR00186; RRNA_methyl_3; 1; trigger=no XX KW Cytoplasm KW Methyltransferase KW rRNA processing KW S-adenosyl-L-methionine KW Transferase XX GO GO:0070039; F:rRNA (guanosine-2'-O-)-methyltransferase activity GO GO:0006364; P:rRNA processing GO GO:0005737; C:cytoplasm XX FT From: RLMB_ECOLI (P63177) FT BINDING 196 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT Condition: G FT BINDING 216 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT Condition: [IL] FT BINDING 225 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT Condition: [LM] XX Size: 231-284; Related: None; Template: P63177; Scope: Bacteria; Pseudomonadota Fusion: Nter: None Cter: None Duplicate: None Plasmid: None Comments: None XX # Revision 1.13 2023/06/01 //