Hans Fritz

A new structural class of serine protease inhibitors revealed by the structure of the hirustasin-kallikrein complex.

M. Grütter, P. Mittl, G. Fendrich, 1997, Structure.

Isolation and characterization of hirustasin, an antistasin-type serine-proteinase inhibitor from the medical leech Hirudo medicinalis.

C. Eckerskorn, R. Mentele, C. Sommerhoff, 1994, European journal of biochemistry.