BST-1 CD158a KIR2DL1, p58.1, NKAT1 CD158b1 KIR2DL2, p58.2, NKAT6 NAD, Cyclic ADP-ribose HLA-Cw4, 2, 5, 6 HLA-Cw3, 1, 7, 8 16 Function ––– + ––– + + Converts angiotensin I to angiotensin II resulting in vasoconstriction –––– –––– + – Calcium-dependent ...