Pantetheine hydrolase

In enzymology, a pantetheine hydrolase (EC number|3.5.1.92) is an enzyme that catalyzes the chemical reaction

:(R)-pantetheine + H₂O $ightleftharpoons$ (R)-pantothenate + 2-aminoethanethiol

Thus, the two substrates of this enzyme are (R)-pantetheine and H₂O, whereas its two products are (R)-pantothenate and 2-aminoethanethiol.

This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amides. The systematic name of this enzyme class is (R)-pantetheine amidohydrolase. Other names in common use include pantetheinase, vanin, and vanin-1. This enzyme participates in pantothenate and coa biosynthesis.

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