ZP3
Zona pellucida sperm-binding protein 3 , also known as zona pellucida glycoprotein 3 ( Zp-3 ) or the sperm receptor , is a ZP module-containing protein that in humans is encoded by the "ZP3" gene . 
<triplet> ZP3 <subj> gene <obj> instance of <triplet> gene <subj> protein <obj> encodes