Zoa was first isolated from Z. officinale, which belongs to Zingiberaceae family.The full-length cDNA of zoa was 768bp with an opening reading frame of 510bp encoding a protein with 169 amino acids.

首姜科植物姜中克隆了姜凝集素因 zoa, 姜凝集素因全长为768bp, 含有510bp开放阅读框，编码169氨酸。