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.

首科植物中克隆了凝集素因 zoa, 凝集素因的全长为768bp, 含有510bp的开放阅读框，编码169氨酸。