EC Number   |
Metals/Ions |
Reference |
|---|
    5.4.99.16 | Ca2+ |
123% relative activity at 1 mM |
701844 |
| 5.4.99.16 | Ca2+ |
8% activating at 10 mM |
748015 |
| 5.4.99.16 | Ca2+ |
hepta-coordinated calcium-ion-binding site located about 13 A from the active site at the interface between domain A and domain B, enzyme binding structure, overview |
727598 |
| 5.4.99.16 | Ca2+ |
the Ca2+ site is coordinated by the side chains of Asn105, Asp179 and Glu216 and the backbone O atoms of Tyr213 and Leu214. Many alpha-amylases contain a similar calcium site that involves the conserved asparagine and aspartate residues |
746621 |
| 5.4.99.16 | Cl- |
enzyme binding structure of 4 Cl- ions, overview |
727598 |
| 5.4.99.16 | Fe2+ |
114% activity at 1 mM |
715078 |
| 5.4.99.16 | Fe2+ |
9% activating at 10 mM |
748015 |
| 5.4.99.16 | K+ |
10 mM, 22% increase in activity |
681153 |
| 5.4.99.16 | K+ |
activates |
748492 |
| 5.4.99.16 | Li+ |
1 mM, slightly enhances the activity (6.7%) |
759622 |
