High resolution

Module 8: Figure location of sperm InsP3 receptors

Location of inositol 1,4,5-trisphosphate (InsP3) receptors in rat sperm.

An antibody directed against the inositol 1,4,5-trisphosphate (InsP3) receptor stains both the acrosome (arrowhead) and a small region within the connecting and proximal middle piece (arrow). Vertical bar, 5 μm. Reproduced from The Journal of Cell Biology, 1995, vol. 130, pp. 857–869, by copyright permission of The Rockefeller University Press; see Walensky and Snyder 1995.