Several lectins were isolated from snake venom, sharing homologous amino acid sequences with other components in venom, while a receptor of well known toxin in venom, phospholipase A 2, contains lectin like domain. 从蛇毒中分离得到了一些凝集素,它们和蛇毒中的其它一些成员在氨基酸序列上有同源性;同时,蛇毒中众所周知的毒素磷脂酶A2的受体也含有凝集素类似的结构域。