TRNA-pseudouridine synthase I

Last updated
tRNA-pseudouridine synthase
Identifiers
EC no. 5.4.99.12
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
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PMC articles
PubMed articles
NCBI proteins

In enzymology, a tRNA-pseudouridine synthase I (EC 5.4.99.12) is an enzyme that catalyzes the chemical reaction

tRNA uridine tRNA pseudouridine

Hence, this enzyme has one substrate, tRNA uridine, and one product, tRNA pseudouridine.

This enzyme belongs to the family of isomerases, specifically those intramolecular transferases transferring other groups. The systematic name of this enzyme class is tRNA-uridine uracilmutase. Other names in common use include tRNA-uridine isomerase, tRNA pseudouridylate synthase I, transfer ribonucleate pseudouridine synthetase, pseudouridine synthase, and transfer RNA pseudouridine synthetase.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 1VS3, 2NQP, 2NR0, and 2NRE.

Related Research Articles

In molecular biology, biosynthesis is a multi-step, enzyme-catalyzed process where substrates are converted into more complex products in living organisms. In biosynthesis, simple compounds are modified, converted into other compounds, or joined to form macromolecules. This process often consists of metabolic pathways. Some of these biosynthetic pathways are located within a single cellular organelle, while others involve enzymes that are located within multiple cellular organelles. Examples of these biosynthetic pathways include the production of lipid membrane components and nucleotides. Biosynthesis is usually synonymous with anabolism.

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16S rRNA pseudouridine516 synthase (EC 5.4.99.19, 16S RNA pseudouridine516 synthase, 16S PsiI516 synthase, 16S RNA Psi516 synthase, RNA pseudouridine synthase RsuA, RsuA, 16S RNA pseudouridine 516 synthase) is an enzyme with systematic name 16S rRNA-uridine516 uracil mutase. This enzyme catalyses the following chemical reaction

tRNA pseudouridine55 synthase is an enzyme with systematic name tRNA-uridine55 uracil mutase. This enzyme catalyses the following chemical reaction

References


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