pfam06079: Apyrase (this model, PSSM-Id:399223 is obsolete and has been replaced by 461822)
Apyrase
This family consists of several eukaryotic apyrase proteins (EC:3.6.1.5). The salivary apyrases of blood-feeding arthropods are nucleotide hydrolysing enzymes implicated in the inhibition of host platelet aggregation through the hydrolysis of extracellular adenosine diphosphate..