passages.id: split_8_test_1088_passage
passages.type: progene_text
passages.text: In addition , the authors demonstrated that the anti - IL-2Ralpha monoclonal antibody 7G7 / B6 , which does not inhibit the binding of IL-2 to its binding site on sIL-2Ralpha , protected IL-2 from degradation and inactivation in vivo in the presence of sIL-2Ralpha .