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RLMB_XANCP
ID   RLMB_XANCP              Reviewed;         249 AA.
AC   Q8PAG5;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 102.
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=XCC1519;
OS   Xanthomonas campestris pv. campestris (strain ATCC 33913 / DSM 3586 / NCPPB
OS   528 / LMG 568 / P 25).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=190485;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33913 / DSM 3586 / NCPPB 528 / LMG 568 / P 25;
RX   PubMed=12024217; DOI=10.1038/417459a;
RA   da Silva A.C.R., Ferro J.A., Reinach F.C., Farah C.S., Furlan L.R.,
RA   Quaggio R.B., Monteiro-Vitorello C.B., Van Sluys M.A., Almeida N.F. Jr.,
RA   Alves L.M.C., do Amaral A.M., Bertolini M.C., Camargo L.E.A., Camarotte G.,
RA   Cannavan F., Cardozo J., Chambergo F., Ciapina L.P., Cicarelli R.M.B.,
RA   Coutinho L.L., Cursino-Santos J.R., El-Dorry H., Faria J.B.,
RA   Ferreira A.J.S., Ferreira R.C.C., Ferro M.I.T., Formighieri E.F.,
RA   Franco M.C., Greggio C.C., Gruber A., Katsuyama A.M., Kishi L.T.,
RA   Leite R.P., Lemos E.G.M., Lemos M.V.F., Locali E.C., Machado M.A.,
RA   Madeira A.M.B.N., Martinez-Rossi N.M., Martins E.C., Meidanis J.,
RA   Menck C.F.M., Miyaki C.Y., Moon D.H., Moreira L.M., Novo M.T.M.,
RA   Okura V.K., Oliveira M.C., Oliveira V.R., Pereira H.A., Rossi A.,
RA   Sena J.A.D., Silva C., de Souza R.F., Spinola L.A.F., Takita M.A.,
RA   Tamura R.E., Teixeira E.C., Tezza R.I.D., Trindade dos Santos M.,
RA   Truffi D., Tsai S.M., White F.F., Setubal J.C., Kitajima J.P.;
RT   "Comparison of the genomes of two Xanthomonas pathogens with differing host
RT   specificities.";
RL   Nature 417:459-463(2002).
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; AE008922; AAM40814.1; -; Genomic_DNA.
DR   RefSeq; NP_636890.1; NC_003902.1.
DR   RefSeq; WP_011036704.1; NC_003902.1.
DR   AlphaFoldDB; Q8PAG5; -.
DR   SMR; Q8PAG5; -.
DR   STRING; 340.xcc-b100_2743; -.
DR   EnsemblBacteria; AAM40814; AAM40814; XCC1519.
DR   GeneID; 58013890; -.
DR   KEGG; xcc:XCC1519; -.
DR   PATRIC; fig|190485.4.peg.1630; -.
DR   eggNOG; COG0566; Bacteria.
DR   HOGENOM; CLU_021322_0_1_6; -.
DR   OMA; QVPPYEY; -.
DR   Proteomes; UP000001010; Chromosome.
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..249
FT                   /note="23S rRNA (guanosine-2'-O-)-methyltransferase RlmB"
FT                   /id="PRO_0000159810"
FT   BINDING         200
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         220
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         229
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
SQ   SEQUENCE   249 AA;  26328 MW;  F09B0498633D2176 CRC64;
     MSKQNQWIVG VNAVASSVEN DADNVREVLI EAGSKNPRLT EIEEQARRKG IDVRRVNTQA
     LDGVGGQVRH QGVAARYAAA RLWAENELEG LVEAAQGRAL VLILDGVQDP HNLGACLRSA
     AAAGVTAVVI PKDKSATVNA TVRKTSAGAA DRIPVVAVTN LARCLRDLQK QGVWLYGLAG
     EAEASLYSVD LRGNVGLVLG GEGDGLRRLT REHCDGLVKI PMPGDIESLN VSVATGVTLF
     EAVRQRLGA
 
 
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