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 ci EBI. Alpha and beta proteins or alpha or betaHydrolases alpha or betaHydrolases Acetylcholinesteraselike Thermophilic paranitrobenzyl esterase PNB esterase EBI ci November Thermophilic paranitrobenzyl esterase PNB esterase Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain