2.4.1.321 6 - synthetic activity 725022 2.4.1.321 6 - synthetic reaction 725022 2.4.1.321 6.5 - synthetic activity 725022 2.4.1.321 6.5 - synthetic reaction 725022 2.4.1.321 7 - phosphorolytic activity 725022 2.4.1.321 7 - phosphorolytic reaction 725022