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Bungarotoxin

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Bungarotoxins. α-Bungarotoxin (α-BGT), β-Bungarotoxin (β-BGT), γ-Bungarotoxin (γ-BGT) and κ-Bungarotoxin (κ-BGT) are snake toxins from banded krait.

α-BGT binds irreversibly to the acetylcholine receptor (AChR) causing paralysis and death. See details in Alpha-bungarotoxin.
β-BGT binds to the presynaptic terminal causing release of acetylcholine.
γ-BGT inhibits the binding of quinoclidinyl bezilate to the M2 muscarinic acetylcholine receptor.
κ-BGT binds weakly to the nicotinic acetylcholine receptor.

For toxins in Proteopedia see Toxins.