What molecular feature provides the kingsnake with protection against pit viper neurotoxins?

Answer

Structural differences in receptor proteins that prevent venom binding

The kingsnake possesses receptor proteins with structural differences that prevent the venom toxins from binding effectively to the snake’s own nicotinic acetylcholine receptors (nAChRs).

What molecular feature provides the kingsnake with protection against pit viper neurotoxins?
venomimmunitysnakeRattlesnakeKingsnake