Heishuixiecaoline A protects against neurotoxicity in PC12 cells.

CDK2 is a member of the eukaryotic S/T protein kinase family and its function is to catalyze the phosphoryl transfer of ATP γ-phosphate to serine or threonine hydroxyl (denoted as S0/T0) in a protein substrate.

(3β,20S,22Z,25R)-26-(β-D-Glucopyranosyloxy)-20-hydroxyfurosta-5,22-dien-3-yl O-6-deoxy-α-L-mannopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→4)]-β-D-glucopyranoside