ID   RLMB_COXBU              Reviewed;         250 AA.
AC   Q83CW6;
DT   27-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=CBU_0986;
OS   Coxiella burnetii (strain RSA 493 / Nine Mile phase I).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales; Coxiellaceae;
OC   Coxiella.
OX   NCBI_TaxID=227377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RSA 493 / Nine Mile phase I;
RX   PubMed=12704232; DOI=10.1073/pnas.0931379100;
RA   Seshadri R., Paulsen I.T., Eisen J.A., Read T.D., Nelson K.E., Nelson W.C.,
RA   Ward N.L., Tettelin H., Davidsen T.M., Beanan M.J., DeBoy R.T.,
RA   Daugherty S.C., Brinkac L.M., Madupu R., Dodson R.J., Khouri H.M.,
RA   Lee K.H., Carty H.A., Scanlan D., Heinzen R.A., Thompson H.A., Samuel J.E.,
RA   Fraser C.M., Heidelberg J.F.;
RT   "Complete genome sequence of the Q-fever pathogen, Coxiella burnetii.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:5455-5460(2003).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAO90507.2; Type=Erroneous initiation; Evidence={ECO:0000305};
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AE016828; AAO90507.2; ALT_INIT; Genomic_DNA.
DR   RefSeq; NP_819993.2; NC_002971.3.
DR   AlphaFoldDB; Q83CW6; -.
DR   SMR; Q83CW6; -.
DR   STRING; 227377.CBU_0986; -.
DR   EnsemblBacteria; AAO90507; AAO90507; CBU_0986.
DR   GeneID; 1208881; -.
DR   KEGG; cbu:CBU_0986; -.
DR   PATRIC; fig|227377.7.peg.982; -.
DR   eggNOG; COG0566; Bacteria.
DR   HOGENOM; CLU_021322_0_1_6; -.
DR   OMA; QVPPYEY; -.
DR   Proteomes; UP000002671; 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..250
FT                   /note="23S rRNA (guanosine-2'-O-)-methyltransferase RlmB"
FT                   /id="PRO_0000159784"
FT   BINDING         198
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         218
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
FT   BINDING         227
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01887"
SQ   SEQUENCE   250 AA;  27140 MW;  B33B27EF48177F4A CRC64;
     MSKIKSIYGI HAVSGVLDAA PQRIVKLYVQ ENRDDQRLQS LVEKAKALGV KVILLSRTEL
     NTLSNEKHQG IVADCEEVEN LDESALLSLL KKRETPALLL ILDGVKDPHN LGACLRSANA
     FGVRAVIAPK DRAVGVTPVV RKVACGAAEM TPFIRVTNLS RTIDWLQKEG VWIVGTAVEA
     ETLIQEIDLT GDIAIVLGSE GAGLRRLTKE RCDFLAQIPL RGSVESLNVS VACGICLYEV
     QRQREAPAPS