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BgK is a K+ channel-blocking toxin from the sea anemone Bunodosoma granulifera. It is a 37-residue protein that adopts a novel fold, as determined by NMR and modeling. An alanine-scanning-based… (More)
We identified the residues that are important for the binding of alpha-dendrotoxin (alphaDTX) to Kv1 potassium channels on rat brain synaptosomal membranes, using a mutational approach based on… (More)
BgK is a peptide from the sea anemone Bunodosoma granulifera, which blocks Kv1.1, Kv1.2, and Kv1.3 potassium channels. Using 25 analogs substituted at a single position by an alanine residue, we… (More)
Dendrotoxin I (DpI) from black mamba venom (Dendroaspis polylepis) has high affinity binding sites on rat brain synaptic membranes. Native DpI displaced [125I]-DpI binding with a Ki of 1 x 10(-10) M,… (More)
The powerful pharmacological effects of venoms have been known since antiquity, but it is only relatively recently that the causative agents have been identified. Especially with snake and scorpion… (More)