Table 2.

Values of Activity and Affinity for ADP-Glucose of SSIV Expressed in E. coli

SubstrateActivityKm for ADP-Glucose (mM)
Rabbit liver glycogen31.4 ± 3.40.96
Potato amylopectin25.0 ± 7.50.47
Rabbit liver glycogen + UDP-glucosen.d.n.a.
  • Activity is defined as the nmoles of glucose incorporated into α-glucan·min−1·mg protein−1. Values are the mean ± se of three independent determinations. n.d., not detected; n.a., not applicable.