Purification and gene cloning of Fundulus heteroclitus hatching enzyme. A hatching enzyme system composed of high choriolytic enzyme and low choriolytic enzyme is conserved between two different teleosts, Fundulus heteroclitus and medaka Oryzias latipes.
Kawaguchi M, Yasumasu S, Shimizu A, Hiroi J, Yoshizaki N, Nagata K, Tanokura M, Iuchi I. FEBS J. 2005 Sep; 272(17):4315-26.