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RLMB_VIBCH
ID   RLMB_VIBCH              Reviewed;         247 AA.
AC   Q9KNY2;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=23S rRNA (guanosine-2'-O-)-methyltransferase RlmB {ECO:0000255|HAMAP-Rule:MF_01887};
DE            EC=2.1.1.185 {ECO:0000255|HAMAP-Rule:MF_01887};
DE   AltName: Full=23S rRNA (guanosine2251 2'-O)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01887};
DE   AltName: Full=23S rRNA Gm2251 2'-O-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01887};
GN   Name=rlmB {ECO:0000255|HAMAP-Rule:MF_01887}; OrderedLocusNames=VC_2598;
OS   Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=243277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39315 / El Tor Inaba N16961;
RX   PubMed=10952301; DOI=10.1038/35020000;
RA   Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L.,
RA   Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R.,
RA   Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D.,
RA   Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A.,
RA   Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L.,
RA   Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.;
RT   "DNA sequence of both chromosomes of the cholera pathogen Vibrio
RT   cholerae.";
RL   Nature 406:477-483(2000).
CC   -!- FUNCTION: Specifically methylates the ribose of guanosine 2251 in 23S
CC       rRNA. {ECO:0000255|HAMAP-Rule:MF_01887}.
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;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01887};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01887}.
CC   -!- SIMILARITY: Belongs to the class IV-like SAM-binding methyltransferase
CC       superfamily. RNA methyltransferase TrmH family. RlmB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01887}.
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DR   EMBL; AE003852; AAF95739.1; -; Genomic_DNA.
DR   PIR; B82055; B82055.
DR   RefSeq; NP_232226.1; NC_002505.1.
DR   RefSeq; WP_000064143.1; NZ_LT906614.1.
DR   AlphaFoldDB; Q9KNY2; -.
DR   SMR; Q9KNY2; -.
DR   STRING; 243277.VC_2598; -.
DR   PRIDE; Q9KNY2; -.
DR   DNASU; 2615615; -.
DR   EnsemblBacteria; AAF95739; AAF95739; VC_2598.
DR   GeneID; 57741200; -.
DR   KEGG; vch:VC_2598; -.
DR   PATRIC; fig|243277.26.peg.2477; -.
DR   eggNOG; COG0566; Bacteria.
DR   HOGENOM; CLU_021322_0_1_6; -.
DR   OMA; QVPPYEY; -.
DR   BioCyc; VCHO:VC2598-MON; -.
DR   Proteomes; UP000000584; Chromosome 1.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0008173; F:RNA methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0070039; F:rRNA (guanosine-2'-O-)-methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0000453; P:enzyme-directed rRNA 2'-O-methylation; IBA:GO_Central.
DR   GO; GO:0001510; P:RNA methylation; IBA:GO_Central.
DR   Gene3D; 3.30.1330.30; -; 1.
DR   Gene3D; 3.40.1280.10; -; 1.
DR   HAMAP; MF_01887; 23SrRNA_methyltr_B; 1.
DR   InterPro; IPR024915; 23S_rRNA_MeTrfase_RlmB.
DR   InterPro; IPR029028; Alpha/beta_knot_MTases.
DR   InterPro; IPR029064; L30e-like.
DR   InterPro; IPR004441; rRNA_MeTrfase_TrmH.
DR   InterPro; IPR001537; SpoU_MeTrfase.
DR   InterPro; IPR013123; SpoU_subst-bd.
DR   InterPro; IPR029026; tRNA_m1G_MTases_N.
DR   PANTHER; PTHR46429; PTHR46429; 1.
DR   Pfam; PF00588; SpoU_methylase; 1.
DR   Pfam; PF08032; SpoU_sub_bind; 1.
DR   SMART; SM00967; SpoU_sub_bind; 1.
DR   SUPFAM; SSF55315; SSF55315; 1.
DR   SUPFAM; SSF75217; SSF75217; 1.
DR   TIGRFAMs; TIGR00186; rRNA_methyl_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..247
FT                   /note="23S rRNA (guanosine-2'-O-)-methyltransferase RlmB"
FT                   /id="PRO_0000159805"
FT   BINDING         197
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         217
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         226
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
SQ   SEQUENCE   247 AA;  26602 MW;  66ACDF7921338D5D CRC64;
     MSNELIYGIH AVNAVLQRDP ARFVEAYVLK GRQDDRLLPV LNELMRLGVS IQEMSRKALD
     DKAEGANHQG LIARVKPARQ LNENDLDDIL AQHEQPLLLV LDGVTDPHNL GACLRNADAA
     GVAAVIVPKD KSAPLTATVS KVACGAAETV PLVRVTNLAR TMRALQEKGV WFVGTAGEAT
     HDIYQSKLTG SLAIVMGAEG DGMRRLTRET CDDLIKIPMA GSVSSLNVSV ACGVCLFEAV
     RQRMANR
 
 
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