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 puo EBI. All alpha proteins Uteroglobinlike Uteroglobinlike Uteroglobinlike Allergen Fel IA chain EBI puo November Allergen Fel IA chain Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain