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HAMAP rule MF_02217

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General rule information [?]

Accession MF_02217
Dates 11-JUN-2019 (Created)
19-NOV-2022 (Last updated, Version 5)
Name TrmR_methyltr
Scope
Bacteria
Template O32036 (TRMR_BACSU)

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
TRMR
Protein name
RecName: Full=tRNA 5-hydroxyuridine methyltransferase;
EC 2.1.1.-;
AltName: Full=ho5U methyltransferase;
Gene name
trmR

Comments [?]

Function Catalyzes the methylation of 5-hydroxyuridine (ho5U) to form 5-methoxyuridine (mo5U) at position 34 in tRNAs.
Catalytic activity RHEA:60524: 5-hydroxyuridine(34) in tRNA + S-adenosyl-L-methionine = 5-methoxyuridine(34) in tRNA + H(+) + S-adenosyl-L-homocysteine
Subunit Homodimer.
Similarity Belongs to the class I-like SAM-binding methyltransferase superfamily. Cation-dependent O-methyltransferase family.

Keywords [?]

case <FTGroup:1>
end case

Gene Ontology [?]

GO:0016300; Molecular function: tRNA (uracil) methyltransferase activity.
case <FTGroup:1>
GO:0000287; Molecular function: magnesium ion binding.
end case
GO:0030488; Biological process: tRNA methylation.

Cross-references [?]

PROSITE PS51682; SAM_OMT_I; 1;
Pfam PF01596; Methyltransf_3; 1;

Features [?]

From: TRMR_BACSU (O32036)
Key     From     To       Description   Tag   Condition   FTGroup
BINDING (Optional)     113     114       /ligand="S-adenosyl-L-methionine" /ligand_id="ChEBI:CHEBI:59789     [DE]-A  
BINDING (Optional)     133     133       /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420     D   1
BINDING (Optional)     159     159       /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420     D   1
BINDING (Optional)     160     160       /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420     N   1
BINDING (Optional)     38     38       /ligand="S-adenosyl-L-methionine" /ligand_id="ChEBI:CHEBI:59789     [MVIL]  
BINDING (Optional)     68     68       /ligand="S-adenosyl-L-methionine" /ligand_id="ChEBI:CHEBI:59789     S  
BINDING (Optional)     85     85       /ligand="S-adenosyl-L-methionine" /ligand_id="ChEBI:CHEBI:59789     [ED]  
BINDING (Optional)     133     133       /ligand="S-adenosyl-L-methionine" /ligand_id="ChEBI:CHEBI:59789     D  

Additional information [?]

Size range 190-270 amino acids
Related rules None
Fusion None