IUBMB Enzyme Nomenclature


Accepted name: mitochondrial tRNA pseudouridine27/28 synthase

Reaction: mitochondrial tRNA uridine27/28 = mitochondrial tRNA pseudouridine27/28

For diagram of mechanism click here.

Other name(s): Pus2; Pus2p; RNA:pseudouridine synthases 2

Systematic name: mitochondrial tRNA-uridine27/28 uracil mutase

Comments: The mitochondrial enzyme Pus2p is specific for position 27 or 28 in mitochondrial tRNA [1].

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Behm-Ansmant, I., Branlant, C. and Motorin, Y. The Saccharomyces cerevisiae Pus2 protein encoded by YGL063w ORF is a mitochondrial tRNA:Ψ27/28-synthase. RNA 13 (2007) 1641-1647. [PMID: 17684231]

[EC created 2011]

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