The full-length unprocessed hedgehog protein is an active signaling molecule

Robert Tokhunts, Samer Singh, Tehyen Chu, Gisela D'Angelo, Valerie Baubet, John A. Goetz, Zhen Huang, Ziqiang Yuan, Manuel Ascano, Yana Zavros, Pascal P. Thérond, Sam Kunes, Nadia Dahmane, David J. Robbins