Table 1.
Deviation from standard conditions1 | Relative activity |
---|---|
None | 1.00 |
No iron | 0.08 |
No αKG | 0.52 |
Acetate2 instead of αKG | 6.72 |
N-oxalylglycine3 instead of αKG | 7.75 |
Acetate instead of αKG, no ascorbic acid | 6.01 |
Standard conditions: Reactions were performed in MOPS buffer (20 mM pH 7.0) with 5% ethanol co-solvent, with 20 μM apoenzyme, 1 mM Fe(NH4)2(SO4)2, 1 mM αKG (as disodium salt), 1 mM L-ascorbic acid, and 10 mM 1 and 2.
Sodium salt.
Free acid.