Solution structure of the cardiostimulant polypeptide anthopleurin-B and comparison with anthopleurin-A.
Monks, S.A., Pallaghy, P.K., Scanlon, M.J., Norton, R.S.(1995) Structure 3: 791-803
- PubMed: 7582896 
- DOI: 10.1016/s0969-2126(01)00214-3
- Primary Citation of Related Structures:  
1APF - PubMed Abstract: 
The polypeptide anthopleurin-B (AP-B) is one of a number of related toxins produced by sea anemones. AP-B delays inactivation of the voltage-gated sodium channel of excitable tissue. In the mammalian heart, this effect is manifest as an increase in the force of contraction ...