Reinhard Seifert2 articles listing Reinhard Seifert in PNAS, Science Advances, indexed by Paperzzz from Crossref and OSF.Soluble adenylyl cyclase in nonmammalian sperm is directly controlled by pH, not by HCO 3 − or Ca 2+ PNASOptogenetic silencing by combining a rhodopsin cyclase with an engineered cGMP-gated potassium channel Science Advances