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.
PDB ap EBI. Small proteins Knottins small inhibitors toxins lectins EGF or Laminin EGFtype module Epidermal growth factor EGF EBI ap November Epidermal growth factor EGF Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain