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 osg EBI. All beta proteins TNFlike TNFlike TNFlike Soluble part of TALL sTALL BAFF EBI osg November Soluble part of TALL sTALL BAFF Files uploaded by Nichalp's script
Page 2023 Free-images.com. All images are Public Domain