Design of sensitive fluorogenic substrates for human cathepsin D.
AuthorsGulnik SV, Suvorov LI, Majer P, Collins J, Kane BP, Johnson DG, Erickson JW
JournalFEBS Lett
PubMed ID9280316
Cathepsin D is a lysosomal aspartic proteinase that has been implicated in several pathological processes such as breast cancer and Alzheimer's disease. We designed and synthesized a number of quenched fluorogenic substrates with P2 variations in the series AcEE(EDANS)KPIXFFRLGK(DABCYL)E-NH2, where X=cysteine, methylcysteine, ethylcysteine, tert-butylcysteine, carboxymethylcysteine, methionine, valine or isoleucine. Most ... More