Yet another way biochem makes my lab life easier! This week, in order to finally get a better understanding of my lab project, I decided to use PyMOL to look at the binding of biotin to avidin, which are used on my nanoparticle project! Avidin is a dimer protein which can bind four biotin molecules with a binding capacity of 10^-15M, which, for those of you that aren’t familiar with binding capacity, is REALLY strong. You can partially see why from my figure, where two of the biotin molecules, colored red, are shown in the binding pockets of avidin.