Zymo Research D3001-2-60 Proteinase K w/ Storage Buffer Set (60mg), Zymo Research, 60mg/Unit - 11-393D | Genesee Scientific Zymo Research D3001-2-60 Proteinase K w/ Storage Buffer Set (60mg), Zymo Research, 60mg/Unit - 11-393D | Genesee Scientific