Enzyme size may be important in pathogenesis.For instance, the major extracellular endo-pectate lyase from E. carotovora is about 40 kDa.

• 酶的大小在病程中可能是重要的，胡萝卜软腐病菌的胞外果胶酸内裂解酶大约是40 kDa。