id author title date pages extension mime words sentences flesch summary cache txt cord-005927-a9sj00y8 Kondoh, Gen Angiotensin-converting enzyme is a GPI-anchored protein releasing factor crucial for fertilization 2005-01-23 .txt text/plain 4984 257 51 We also assessed the effect of ACE-specific inhibitors, such as captopril and lisinopril, which bind to the catalytic center with ligation of its thiol to the zinc ion and completely inhibit the peptidase activity, but found only a minor inhibitory effect on the GPIase assay ( Fig. 1c , 1 × 10 -3 M captopril produced 40% inhibition and data not shown). We treated cells with ACE, PI-PLC or mouse glandular kallikrein (mGK), which digests EGFP protein near the carboxy termini (data not shown) and trapped the released products from the supernatants using antibody specific for GFP. We collected epididymal sperm from both wild-type and Ace knockout mice 33 and compared the distribution of GPI-anchored proteins in water-soluble and detergent-soluble fractions. In this regard, GPI-anchored proteins were not released in sperms of Ace knockout mice (Fig. 5a) . ./cache/cord-005927-a9sj00y8.txt ./txt/cord-005927-a9sj00y8.txt