Keywords: PDB 1f6f EBI.jpg All beta proteins Immunoglobulin-like beta-sandwich Fibronectin type III Fibronectin type III Prolactin receptor Prolactin receptor All alpha proteins 4-helical cytokines 4-helical cytokines Long-chain cytokines Prolactin placental lactogen EBI License 1f6f November 16 2008 Prolactin placental lactogen Files uploaded by Nichalp's script |