Volume 39, Number 3, (1997), in Article No. GE964520 "Two Novel Human Members of an Emerging Mammalian Gene Family Related to Mono-ADP-Ribosylating Bacterial Toxins," by Friedrich Koch-Nolte, Friedrich Haag, Rickmer Braren, Maren Kühl, Jan Hoovers, Sriram Balasubramanian, Fernando Bazan, and Heinz-Günter Thiele, pages 370-376: