'Draculin' is a
glycoprotein found in the
saliva of
vampire bats. It is composed of 411
amino acids. It functions as an anticoagulant, inhibiting
coagulation factors IX (IXa) and
X (Xa), thus keeping the
blood of the bitten victim from clotting while the bat is drinking.
External links
★ Fernandez AZ, Tablante A, Bartoli F, Beguin S, Hemker HC, Apitz-Castro R. ''Expression of biological activity of draculin, the anticoagulant factor from vampire bat saliva, is strictly dependent on the appropriate glycosylation of the native molecule.'' Biochim Biophys Acta
1998;1425:291-9. PMID 9795244.
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