We report here the crystal structure of the inhibitory human killer cell immunoglobulin-like receptor 2DL1 (KIR2DL1) bound to its class I MHC ligand, HLA-Cw4. The KIR2DL1–HLA-Cw4 interface ...

FEARS of a serial killer have spiraled after the discovery of a possible human leg near Taylor Swift’s beachside mansion. The suspected human bone was found washed up in Rhode Island ...