passages.id: split_1_test_3118_passage
passages.type: progene_text
passages.text: Our results showed that residue Met76 , Gln79 mutated to Ala76 , 79 in the alpha1 domain of HLA-G protein could affect the binding affinity between KIR2DL4 and HLA-G , meanwhile , the KIR2DL4 transfected NK-92 cells ( NK-92 - 2DL4 ) showed a considerably different cytolysis ability against the HLA-wtG and HLA-mG transfected K562 targets .