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 tp EBI. All alpha proteins Laspartaselike Laspartaselike HAL or PALlike Phenylalanine ammonialyase PAL EBI tp November Phenylalanine ammonialyase PAL Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain