The amino acid sequence comparison with DOH1 showed that the identity was 96%, 31% with Nicotiana.

• 对DNKNOX1基因推测的氨基酸序列进行同源性比对，结果显示：与秋石斛KNOX基因DOH1的同源性最高达96%25，与烟草KNOX基因的同源性较低31%25，与拟南芥，牵牛花，番茄，水稻的同源性分别为在41%25至58%25之间。