21. The enzyme possesses two catalytic activities as illustrated by its metabolism of arachidonic acid. 22. The catalytic activity of these mimics do not however compare to the native enzyme. 23. The activation segment often necessitates phosphorylation in order for there to be catalytic activity . 24. Energetic analysis shows that SHCHC synthase has a low energetic burden for catalytic activity . 25. The conserved central bases, with few exceptions, are essential for ribozyme s catalytic activity . 26. Conformational differences determine the type of catalytic activity that the hemocyanin is able to perform. 27. The mechanism for prolidase catalytic activity remains largely uncharacterized. 28. Deletion of the C-terminus of CNPase or phosphorylation abolish the catalytic activity of microtubule formation. 29. CTP is subsequently formed by amination of UTP by the catalytic activity of CTP synthetase. 30. The CBS domain is not required for catalytic activity .
