DeJong P J
Appl Microbiol. 1972 Jun;23(6):1163-4. doi: 10.1128/am.23.6.1163-1164.1972.
Streptomyces griseus ATCC 10137 synthesizes about 1 IU of L-asparaginase/100 ml of a 4% peptone medium. The enzyme has a pH optimum of 8.5 which is comparable to that of the L-asparaginase derived from Escherichia coli which has antitumor properties.
灰色链霉菌ATCC 10137在4%蛋白胨培养基中每100毫升可合成约1国际单位的L-天冬酰胺酶。该酶的最适pH值为8.5,这与具有抗肿瘤特性的源自大肠杆菌的L-天冬酰胺酶相当。