Fig. 4From: Sperm-oocyte interplay: an overview of spermatozoon’s role in oocyte activation and current perspectives in diagnosis and fertility treatmentSOAFs protein scheme. a PLCζ protein scheme showing two pairs of EF domains involved in Ca+ 2 binding, a XY domain associated with catalytic activity with a XY-linker (a putative NLS species-specific), and a C2 domain involved in IP3 binding. b PAWP protein scheme with the WW binding region of the YGXPPX repeating motifs and the N-terminal GRAM domainBack to article page