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.

首次从科植物中克凝因 zoa, 凝因的全长为768bp, 含有一个510bp的开放阅读框，编码169个氨酸。