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. Author manuscript; available in PMC: 2012 Mar 15.
Published in final edited form as: J Med Chem. 2010 Jan 28;53(2):624–632. doi: 10.1021/jm9011559

Table 2.

Michaelis-Menten kinetic parameters for hVACVase-mediated hydrolysis (mean ± SEM; n=3).

Km (μM) Vmax (nmol/min/μg) kcat (s−1) kcat/Km (mM−1·s−1)
Val-3-HPG 46 ± 5 321 ± 9 154 ± 4 3370 ± 460
Ile-3-HPG 9.0 ± 1.2 30 ± 1 14 ± 1 1580 ± 260
Phe-3-HPG 207 ± 16 718 ± 16 345 ± 8 1660 ± 160
valacyclovir 68 ± 4 120 ± 2 58 ± 1 850 ± 66