1. 
   calciseptine
   Polypeptide toxin (60 residues) from Dendroaspis polylepis . Specific blocker of some L-type calcium channels that will cause relaxation of smooth muscle and inhibition of cardiac muscle but has no effect on skeletal muscle.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Calciseptine
   Calciseptine (CaS) is a natural neurotoxin isolated from the black mamba Dendroaspis p. polylepis venom. This toxin consists of 60 amino acids with four disulfide bonds. Calciseptine specifically blocks L-Type calcium channels, but not other voltage-dependent Ca2+ channels such as N-type and T-type...
   Found op http://en.wikipedia.org/wiki/Calciseptine
   
   

Tip: double click on a word to show its meaning.