Tags: Enzyme.
Aminopyrimidine aminohydrolase (EC 3.5.99.2 thiaminase thiaminase II tenA (gene)) is an enzyme with system name 4-amino-5-aminomethyl-2-methylpyrimidine aminohydrolase. This enzyme catalyses the following chemical reaction (1) 4-amino-5-aminomethyl-2-methylpyrimidine + H2O 4-amino-5-hydroxymethyl-2-methylpyrimidine + ammonia (2) thiamine + H2O 4-amino-5-hydroxymethyl-2-methylpyrimidine + 5-(2-hydroxyethyl)-4-methylthiazoleThis enzyme was previously known as thiaminase II.