RLMH_RHOPT
ID RLMH_RHOPT Reviewed; 160 AA.
AC B3Q736;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 02-SEP-2008, 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=Rpal_0162;
OS Rhodopseudomonas palustris (strain TIE-1).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Bradyrhizobiaceae; Rhodopseudomonas.
OX NCBI_TaxID=395960;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TIE-1;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Lang D., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Emerson D.,
RA Newman D.K., Roden E., Richardson P.;
RT "Complete sequence of Rhodopseudomonas palustris TIE-1.";
RL Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001096; ACE98724.1; -; Genomic_DNA.
DR RefSeq; WP_012493960.1; NC_011004.1.
DR AlphaFoldDB; B3Q736; -.
DR SMR; B3Q736; -.
DR EnsemblBacteria; ACE98724; ACE98724; Rpal_0162.
DR KEGG; rpt:Rpal_0162; -.
DR HOGENOM; CLU_100552_1_1_5; -.
DR OMA; NEPYHHQ; -.
DR OrthoDB; 1783583at2; -.
DR BioCyc; RPAL395960:RPAL_RS00815-MON; -.
DR Proteomes; UP000001725; 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; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..160
FT /note="Ribosomal RNA large subunit methyltransferase H"
FT /id="PRO_0000366646"
FT BINDING 76
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT BINDING 108
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ SEQUENCE 160 AA; 17671 MW; 9440178442199E05 CRC64;
MRLLILAVGK LKQGPERELA ERYRARFDDL GRKLGFRGLD VHEIAESRAR EAPARMAEEA
AAIIAQVQDG AVLVTLDERG QSLGSTAFAA QLGRWRDEQV PGTIFVIGGA DGLLPELRRK
AKLSMSFGGA TWPHQMVRVM LLEQIYRAAT ILAGHPYHRA
