Keywords: PDB 1cn4 EBI.jpg All beta proteins Immunoglobulin-like beta-sandwich Fibronectin type III Fibronectin type III Erythropoietin EPO receptor Erythropoietin EPO receptor All alpha proteins 4-helical cytokines 4-helical cytokines Short-chain cytokines Erythropoietin EBI License 1cn4 November 16 2008 Erythropoietin Files uploaded by Nichalp's script |