P2Ca acetate (142606-55-1 free base)

P2Ca acetate is a naturally processed peptide that derives from a ubiquitous enzyme, alpha-ketoglutarate dehydrogenase, and is recognized in association with the class I MHC protein, Ld, by a CTL clone (2C) .

O=C([C@H]1N(CCC1)C([C@H](CO)NC([C@@H](N)CC(C)C)=O)=O)N[C@@H](CC2=CC=CC=C2)C(N3[C@@H](CCC3)C(N[C@H](C(N[C@@H](CC(O)=O)C(N[C@H](C(O)=O)CC(C)C)=O)=O)CC4=CC=CC=C4)=O)=O.CC(O)=O