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. 2014 May 1;53(19):3199–3217. doi: 10.1021/bi5003162

Table 5. Steady-State Kinetic Parameters of Sst2 and Its Substrate, Lys63-Linked Diubiquitin.

sample KM (μM) kcat (s–1) kcat/KM (×10–3 μM–1 s–1)
Sst2 18.8 ± 8.4 1.5 ± 0.2 79.8
T319I 19.7 ± 4.0 0.043 ± 0.002 2.2
E286A not determined not determined not determined