PKI (5-22) amide

PKI (5-22) amide, an active inhibitory fragment of the cyclic AMP-dependent protein kinase (PKA) inhibitor, effectively prevents PKA activation. However, it does not reduce the homologous desensitization of CRF1 receptors [1] [2].

CC[C@H](C)[C@H](NC(=O)[C@H](C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](CCCNC(N)=N)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)[C@@H](N)[C@@H](C)O)[C@@H](C)O)[C@@H](C)CC)[C@@H](C)O)C(N)=O