参考文献:10.1007/bf00128501 摘要:García-Echeverría C, Rich DH. Kinetic studies of papain: Effect of P3′ substituents and donor/acceptor pairs of intramolecularly quenched fluorogenic substrates. International Journal of Peptide Research and Therapeutics. 1995 Sep;2(2):77–82. doi: 10.1007/bf00128501.