Irak-4? Yah I never heard of it either, but the IRAKs appear to be immunology targets for which Amgen is way out in front. They’ve got a nice paper in Structure, a Biorg. Med. Chem. Lett., and 2 PDB’s: 2NRU, 2NRY.
At first look I was mesmerized by the tyrosine gatekeeper but a second glance on looking over the recent CIP: US20070037803 shows something interesting.
![O=C(C1=CC(C(F)(F)F)=CC=C1)\N=C2N([C@@H]3CC[C@@H](O)CC3)C4=CC=C(OCCN5CCOCC5)C=C4N/2](http://img337.imageshack.us/img337/7606/amgenirak4cz4.jpg)
they suggest as much in the BMCL. Read the rest of this entry »


=O)=C3)=O)N2CCCO)=C1)=O](http://img135.imageshack.us/img135/281/irakds1.jpg)