coreceptor activity | enzyme binding | signaling receptor activity | identical protein binding | protein binding | acrosin binding
egg activation | cellular process | cell recognition | regulation of cellular process | regulation of acrosome reaction | response to stimulus | sperm-egg recognition | reproduction | negative regulation of fertilization | regulation of fertilization | reproductive process | binding of sperm to zona pellucida | cell-cell recognition | fertilization | cell communication | single fertilization | prevention of polyspermy | cell activation | signaling | sexual reproduction | signal transduction
integral component of membrane | intracellular membrane-bounded organelle | late endosome | extracellular matrix | cytoplasmic vesicle | cell | multivesicular body | intrinsic component of membrane | cytoplasm | intracellular organelle | endoplasmic reticulum | endomembrane system | plasma membrane | vesicle | endosome | extracellular region | membrane-bounded organelle | organelle | cell periphery | intracellular vesicle | intracellular | membrane