Contents

05 April 2016
Vol 9, Issue 422

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that four IP3 molecules are needed to activate the IP3 receptor and trigger the release of calcium from the endoplasmic reticulum through the receptor. The image from the accompanying Perspective shows a view of the IP3 receptor across the endoplasmic reticulum membrane. [Image: Colin W. Taylor/ Department of Pharmacology, University of Cambridge, UK]