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????,???????????????????????????????????????,?????????“?”?????????????????????1950????????????(??cAMP?cGMP)????,????????????????????,??????????????,??????????????????????????????,??????????????????,???????KomA(??????A)?KomB(??B)?KomC(?????????C)?????????,??(DNK)????“??”:KomA???????DNK?????????????,???(dAMP)?dITP??KomC??NAD⁺,??????????“??”??????????????????????,??,?“??????”??,????“?????????????????????”?????,?????
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