Wilharm, E., Tschopp, J., & Jenne, D. E. (1999). Biological activities of granzyme K are conserved in the mouse and account for residual Z-Lys-SBzl activity in granzyme A-deficient mice. FEBS Letters, 459(1), 139-142. doi:10.1016/s0014-5793(99)01200-4.