RLMH_LARHH
ID RLMH_LARHH Reviewed; 156 AA.
AC C1DA28;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 67.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase H {ECO:0000255|HAMAP-Rule:MF_00658};
DE EC=2.1.1.177 {ECO:0000255|HAMAP-Rule:MF_00658};
DE AltName: Full=23S rRNA (pseudouridine1915-N3)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00658};
DE AltName: Full=23S rRNA m3Psi1915 methyltransferase {ECO:0000255|HAMAP-Rule:MF_00658};
DE AltName: Full=rRNA (pseudouridine-N3-)-methyltransferase RlmH {ECO:0000255|HAMAP-Rule:MF_00658};
GN Name=rlmH {ECO:0000255|HAMAP-Rule:MF_00658}; OrderedLocusNames=LHK_00145;
OS Laribacter hongkongensis (strain HLHK9).
OC Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales;
OC Chromobacteriaceae; Laribacter.
OX NCBI_TaxID=557598;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HLHK9;
RX PubMed=19283063; DOI=10.1371/journal.pgen.1000416;
RA Woo P.C.Y., Lau S.K.P., Tse H., Teng J.L.L., Curreem S.O., Tsang A.K.L.,
RA Fan R.Y.Y., Wong G.K.M., Huang Y., Loman N.J., Snyder L.A.S., Cai J.J.,
RA Huang J.-D., Mak W., Pallen M.J., Lok S., Yuen K.-Y.;
RT "The complete genome and proteome of Laribacter hongkongensis reveal
RT potential mechanisms for adaptations to different temperatures and
RT habitats.";
RL PLoS Genet. 5:E1000416-E1000416(2009).
CC -!- FUNCTION: Specifically methylates the pseudouridine at position 1915
CC (m3Psi1915) in 23S rRNA. {ECO:0000255|HAMAP-Rule:MF_00658}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=pseudouridine(1915) in 23S rRNA + S-adenosyl-L-methionine =
CC H(+) + N(3)-methylpseudouridine(1915) in 23S rRNA + S-adenosyl-L-
CC homocysteine; Xref=Rhea:RHEA:42752, Rhea:RHEA-COMP:10221, Rhea:RHEA-
CC COMP:10222, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:65314, ChEBI:CHEBI:74486; EC=2.1.1.177;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00658};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00658}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00658}.
CC -!- SIMILARITY: Belongs to the RNA methyltransferase RlmH family.
CC {ECO:0000255|HAMAP-Rule:MF_00658}.
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DR EMBL; CP001154; ACO73141.1; -; Genomic_DNA.
DR RefSeq; WP_012695636.1; NC_012559.1.
DR AlphaFoldDB; C1DA28; -.
DR SMR; C1DA28; -.
DR STRING; 557598.LHK_00145; -.
DR EnsemblBacteria; ACO73141; ACO73141; LHK_00145.
DR KEGG; lhk:LHK_00145; -.
DR eggNOG; COG1576; Bacteria.
DR HOGENOM; CLU_100552_1_0_4; -.
DR OMA; NEPYHHQ; -.
DR OrthoDB; 1783583at2; -.
DR Proteomes; UP000002010; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0070038; F:rRNA (pseudouridine-N3-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR CDD; cd18081; RlmH-like; 1.
DR Gene3D; 3.40.1280.10; -; 1.
DR HAMAP; MF_00658; 23SrRNA_methyltr_H; 1.
DR InterPro; IPR029028; Alpha/beta_knot_MTases.
DR InterPro; IPR003742; RlmH-like.
DR InterPro; IPR029026; tRNA_m1G_MTases_N.
DR PANTHER; PTHR33603; PTHR33603; 1.
DR Pfam; PF02590; SPOUT_MTase; 1.
DR PIRSF; PIRSF004505; MT_bac; 1.
DR SUPFAM; SSF75217; SSF75217; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; Reference proteome; rRNA processing;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..156
FT /note="Ribosomal RNA large subunit methyltransferase H"
FT /id="PRO_1000212459"
FT BINDING 73
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT BINDING 104
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT BINDING 123..128
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ SEQUENCE 156 AA; 17187 MW; B7AB90115325EE17 CRC64;
MKITLLAVGT KMPRWVDEAY ADYAKRLPRE VQLELKEIKP EKRGGGVTAE KGIAAEHARL
MAALPPRAKL VVLDERGRNW TTMQLADNLK GWLADGQDIA IVIGGADGTA AELKSRADIL
LQLSAMTLPH GMVRVLLAEQ VYRAVSILNG HPYHRE