ⓘ ZP3

                                     

ⓘ ZP3

Zona pellucida sperm-binding protein 3, also known as zona pellucida glycoprotein 3 or the sperm receptor, is a ZP module-containing protein that in humans is encoded by the ZP3 gene. ZP3 is the receptor in the zona pellucida which binds sperm at the beginning of fertilization.