Table 2.
Substratea |
Inhibitor (mM)b |
|
Specific Activityc |
Relative Activity |
---|---|---|---|---|
d-diC8PI | 0.93 | 3.68 | 1.00 | |
d-3-deoxy-diC8PI | 0.22 | 0.039 | 0.011 | |
d-3,5-dideoxy-diC8PI | 0.00 | 0.018 | 0.005 | |
d-3-deoxy-diC8PI(5)P | 3.01 | 0.022 | 0.006 | |
d-diC8PI | d-3-deoxy-diC8PI (2) | 1.99 | 3.01 | 0.82 |
d-diC8PI | d-3-deoxy-diC8PI5P (6) | 1.29 | 4.81 | 1.31 |
d-diC8PI | d-3,5-dideoxy-diC8PI (2) | 1.77 | 3.25 | 0.88 |
d-diC8PI | d-3,5-dideoxy-diC8PI (6) | 0.99 | 3.93 | 1.07 |
d-diC8PI | l-diC8PI (2) | 1.02 | 3.08 | 0.84 |
Substrates present at 2 mM.
The value in parentheses represents the concentration of inhibitor used in these assays.
Errors in specific activity typically <20%.