This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
PDB clv EBI. All beta proteins Glycosyl hydrolase domain Glycosyl hydrolase domain alphaAmylases Cterminal betasheet domain Animal alphaamylase Animal alphaamylase Small proteins Knottins small inhibitors toxins lectins Plant inhibitors of proteinases and amylases Plant inhibitors of proteinases and amylases alphaamylase inhibitor