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. 2013 Jul 2;11(7):e1001599. doi: 10.1371/journal.pbio.1001599

Table 3. Binding of Pi to a PTP with and without its active site Cys anionic nucleophile.

Protein Inline graphic (µM)a Inline graphic b
Wild type (1.8±0.4)×104 (1)
C11G 10±5 1,800
a

See Materials and Methods for assay conditions.

b

Inline graphic is the ratio of the observed Pi dissociation constant in the presence of Cys11 compared to the dissociation constant in the absence of Cys11: K d(Cys11)/K d (Gly11).