Desirudin

Hirudin is a naturally occurring peptide in the salivary glands of blood-sucking leeches (such as Hirudo medicinalis) that has a blood anticoagulant property.[2] This is fundamental for the leeches’ habit of feeding on blood, since it keeps a host's blood flowing after the worm's initial puncture of the skin. Contents 1 Structure 2 Biological activity 3 See also 4 References 5 External links Structure During his years in Birmingham and Edinburgh, John Berry Haycra... [wikipedia]