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 yb EBI. Alpha and beta proteins or NAD binding Rossmannfold domains NAD binding Rossmannfold domains Tyrosinedependent oxidoreductases betahydroxysteroid dehydrogenase type XI EBI yb November betahydroxysteroid dehydrogenase type XI Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain