amino acid sequence given in first source; cactus encodes at least 2 proteins; 52 kD, 482 amino acids & 53 kD, 500 amino acids; involved in dorsoventral pattern formation; related to the Ikappa B gene family of vertebrate; forms a stable cytoplasmic complex with the dorsal protein; RefSeq NM_165152
Date introduced: December 8, 1992