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 is EBI. All alpha proteins alpha or alpha toroid Sixhairpin glycosidases Cellulases catalytic domain CelA cellulase EBI is November CelA cellulase Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain