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Artemisinins are the most important class of antimalarial drugs. They specifically inhibit PfATP6, a SERCA-type ATPase of Plasmodium falciparum. Here we show that a single amino acid in transmembrane segment 3 of SERCAs can determine susceptibility to artemisinin. An L263E replacement of a malarial by a mammalian residue abolishes inhibition by(More)
In silico screening of combinatorial libraries prior to synthesis promises to be a valuable aid to lead discovery. PRO_SELECT, a tool for the virtual screening of libraries for fit to a protein active site, has been used to find novel leads against the serine protease factor Xa. A small seed template was built upon using three iterations of library design,(More)
Biochemical studies have shown that domain 5 of the TrkA (tropomyosin receptor kinase A) receptor is involved in the binding of NGF (nerve growth factor). Crystallographic studies have confirmed this, demonstrating that one homodimer of NGF binds to two TrkAd5 molecules. TrkAd5 has been made recombinantly in Escherichia coli, purified and shown to bind NGF(More)
Essentials von Willebrands factor (VWF) glycosylation plays a key role in modulating in vivo clearance. VWF glycoforms were used to examine the role of specific glycan moieties in regulating clearance. Reduction in sialylation resulted in enhanced VWF clearance through asialoglycoprotein receptor. Progressive VWF N-linked glycan trimming resulted in(More)
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