There are two primary<unk> es of major histocompatibility complex <unk>  molecules,<unk>  I and II.<unk>  molecules are found on almost every nucleated cell of the body.  Because<unk>  molecules present peptides derived from cytosolic proteins, the pathway of<unk>  presentation is often called the cytosolic or endogenous pathway.
MHC class I
Interleukin-8 receptor
T cell receptor
L1 family
JP-8
Tumor necrosis factor receptor
Pattern recognition receptor
Cusp 