Ssutton: 1-23-06


 * Is it important that PO4 site and catalytic domain be grouped together?
 * If so, then we must pass some sort of catalytic activity between devices.
 * If not, then we can just pass concentration.


 * Adequacy of Vmax as a signal carrier
 * Vmax is only relevant at very high substrate concentrations
 * At all other substrate concentrations, we care about both kcat and [E]