Beginner Puzzle: Platypus Venom
Platypus venom appears frequently in the revisiting puzzles, see Revisiting puzzle 74: Platypus_Venom.
The images shown here with a dark background are based on PDB entry 1B8W. The image with a light background shows how the protein appeared in a early Foldit beginner puzzle.
The citation for 1B8W is:
Solution structure of a defensin-like peptide from platypus venom.
Torres, A.M., Wang, X., Fletcher, J.I., Alewood, D., Alewood, P.F., Smith, R., Simpson, R.J., Nicholson, G.M., Sutherland, S.K., Gallagher, C.H., King, G.F., Kuchel, P.W. Journal: (1999) Biochem.J. 341: 785-794
The disulfide bridges are shown in green in the images above.