ID 1.1.1.220 DE 6-pyruvoyltetrahydropterin 2'-reductase. AN 6PPH4(2'-oxo) reductase. AN 6-pyruvoyl tetrahydropterin (2'-oxo)reductase. AN 6-pyruvoyl-tetrahydropterin 2'-reductase. AN pyruvoyl-tetrahydropterin reductase. CA 6-lactoyl-5,6,7,8-tetrahydropterin + NADP(+) = 6-pyruvoyl-5,6,7,8- CA tetrahydropterin + H(+) + NADPH. CC -!- Not identical with EC 1.1.1.153. //