Understanding Crystallography – Part 2: From Crystals to Diamond
https://www.youtube.com/watch?v=WJKvDUo3KRk
Understanding Crystallography – Part 1: From Proteins to Crystals
https://www.youtube.com/watch?v=gLsC4wlrR2A
A soft and transparent handleable protein model
Check this out, https://www.youtube.com/watch?v=NVtE_AS3jbI&feature=share