1.2.1.46 additional information - FDH is not stable at a pH below 6.5, but shows higher stability in an alkaline pH domain 690067 1.2.1.46 7 8.5 - 686818 1.2.1.46 8 - 15 h, 20% loss of activity 288248 1.2.1.46 8.5 10 stable 288248