TABLE 4.
Compounda | Amidate ester cleavage (pmol/min · μg) |
3′-Ester cleavage (pmol/min · μg) |
|||
---|---|---|---|---|---|
CatA | CES1 | CES2 | CES1 | CES2 | |
GS2 | 385 | 91.0 | Stable | NAb | NA |
GS-6620 | 4,163 | 1.9 | Stable | 1.6 | 60.1 |
Specific activity cannot be compared between enzymes because the assays have been optimized differently. GS-6620-containing diastereomeric mixture was used.
NA, not applicable.