passages.id: split_1_test_2988_passage
passages.type: progene_text
passages.text: In the present study , we directly compared functional and biochemical properties of KIR2DL5 , KIR3DL1 ( a type I KIR with two ITIMs ) , and KIR2DL4 ( the only other type II KIR , which has a single ITIM ) in a human NK - like cell line .