passages.id: split_6_test_1633_passage
passages.type: progene_text
passages.text: Our data indicate that neither cathepsin S nor B is critical for H-2M degradation or processing of precursor gamma - interferon - inducible lysosomal thiol reductase ( GILT ) to a mature thiol reductase , but suggest a role for cathepsin S in the turnover of mature GILT and in regulating levels of mature cathepsin L protein in B cells .