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. 2012 Jun 4;7(6):e37984. doi: 10.1371/journal.pone.0037984

Table 1. In vitro kinetics of MBP-Etk dephosphorylation by 6His-Etp and 6His-EtpY121F.

k cat sec−1 K M (µM) k cat/KM (sec µM)−1 (×10−3)
Etp wild type 2.84 24.8 115
EtpY121F 2.86 34.9 82