1. Cilian AG, Johann-Krane Weg 42, D-48149, Münster, Germany 2. Institut für allgemeine Zoologie und Genetik, Universit?t Münster, Schlo?platz 5, D-48149, Münster, Germany
Abstract:
Background
Dihydrofolate reductase (DHFR) and thymidylate synthase (TS) are crucial enzymes in DNA synthesis. In alveolata both enzymes are expressed as one bifunctional enzyme.