a substance has been purified from isolated nuclei of physarum polycephalum by equilibrium and velocity gradient centrifugations , ion exchange chromatography and gel filtration which has a high molecular weight , can be labeled in vivo with 32p , is heat stable and resistant to amylases , proteases , nucleases and phosphodiesterase but is sensitive to phosphatases or hydrolysis .
C0002712
amylases
C0020291
hydrolysis