RLMH_JANSC
ID RLMH_JANSC Reviewed; 137 AA.
AC Q28VG7;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 04-APR-2006, sequence version 1.
DT 03-AUG-2022, entry version 73.
DE RecName: Full=Ribosomal RNA large subunit methyltransferase H;
DE EC=2.1.1.177;
DE AltName: Full=23S rRNA (pseudouridine1915-N3)-methyltransferase;
DE AltName: Full=23S rRNA m3Psi1915 methyltransferase;
DE AltName: Full=rRNA (pseudouridine-N3-)-methyltransferase RlmH;
GN Name=rlmH; OrderedLocusNames=Jann_0378;
OS Jannaschia sp. (strain CCS1).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Jannaschia; unclassified Jannaschia.
OX NCBI_TaxID=290400;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCS1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Pitluck S., Brettin T., Bruce D.,
RA Han C., Tapia R., Gilna P., Chertkov O., Saunders E., Schmutz J.,
RA Larimer F., Land M., Kyrpides N., Lykidis A., Moran M.A., Belas R., Ye W.,
RA Buchan A., Gonzalez J.M., Schell M.A., Richardson P.;
RT "Complete sequence of chromosome of Jannaschia sp. CCS1.";
RL Submitted (FEB-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Specifically methylates the pseudouridine at position 1915
CC (m3Psi1915) in 23S rRNA. {ECO:0000250}.
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 -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the RNA methyltransferase RlmH family.
CC {ECO:0000305}.
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DR EMBL; CP000264; ABD53295.1; -; Genomic_DNA.
DR AlphaFoldDB; Q28VG7; -.
DR SMR; Q28VG7; -.
DR STRING; 290400.Jann_0378; -.
DR EnsemblBacteria; ABD53295; ABD53295; Jann_0378.
DR KEGG; jan:Jann_0378; -.
DR eggNOG; COG1576; Bacteria.
DR HOGENOM; CLU_100552_1_1_5; -.
DR Proteomes; UP000008326; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0008168; F:methyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006364; P:rRNA processing; IEA:UniProtKB-KW.
DR CDD; cd18081; RlmH-like; 1.
DR Gene3D; 3.40.1280.10; -; 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..137
FT /note="Ribosomal RNA large subunit methyltransferase H"
FT /id="PRO_0000366611"
FT BINDING 85
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000250"
FT BINDING 104..109
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000250"
SQ SEQUENCE 137 AA; 14809 MW; 1C8725EFD570D8E4 CRC64;
MIDDYLRRFD KTGRGLGLSL GQVVEVENRK GGGMAAEADL IRARLPGGVF WVMDERGDVM
TSPGFADRLG AQRDRGAGDL TMVIGGADGI DPTLRDEAGM AISFGKMVWP HMLARVMLSE
QLYRAASILA GGPYHRV
