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.
Keywords from Image Description:
PDB eer EBI. All beta proteins Immunoglobulinlike betasandwich Fibronectin type III Fibronectin type III Erythropoietin EPO receptor Erythropoietin EPO receptor All alpha proteins helical cytokines helical cytokines Shortchain cytokines Erythropoietin EBI eer November Erythropoietin Files uploaded by Nichalp's script