RLMH_ACIBS
ID RLMH_ACIBS Reviewed; 159 AA.
AC B0VSA3;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 81.
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=ABSDF2358;
OS Acinetobacter baumannii (strain SDF).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX NCBI_TaxID=509170;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SDF;
RX PubMed=18350144; DOI=10.1371/journal.pone.0001805;
RA Vallenet D., Nordmann P., Barbe V., Poirel L., Mangenot S., Bataille E.,
RA Dossat C., Gas S., Kreimeyer A., Lenoble P., Oztas S., Poulain J.,
RA Segurens B., Robert C., Abergel C., Claverie J.-M., Raoult D., Medigue C.,
RA Weissenbach J., Cruveiller S.;
RT "Comparative analysis of Acinetobacters: three genomes for three
RT lifestyles.";
RL PLoS ONE 3:E1805-E1805(2008).
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; CU468230; CAP01671.1; -; Genomic_DNA.
DR AlphaFoldDB; B0VSA3; -.
DR SMR; B0VSA3; -.
DR EnsemblBacteria; CAP01671; CAP01671; ABSDF2358.
DR KEGG; abm:ABSDF2358; -.
DR HOGENOM; CLU_100552_1_0_6; -.
DR OMA; ARADQRW; -.
DR Proteomes; UP000001741; 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.
DR TIGRFAMs; TIGR00246; tRNA_RlmH_YbeA; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Methyltransferase; rRNA processing; S-adenosyl-L-methionine;
KW Transferase.
FT CHAIN 1..159
FT /note="Ribosomal RNA large subunit methyltransferase H"
FT /id="PRO_0000366553"
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 107
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
FT BINDING 126..131
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00658"
SQ SEQUENCE 159 AA; 18062 MW; FD8B0DAAE1444016 CRC64;
MKIRILTIGQ KMPAWVLTGF EDYFKRIQPF VQTQVIKLPM AKRGKNDSEA DILKYCQIEG
ESILNALKPN ETLIALEVGG RELSTEKLAD TMKQWMLEGN DVALAIGGPD GLSDQVRKAA
AWHWSLSKLT MPHPLVRILL IEQLYRAMSI NHNHPYHRA
