Disintegrins are a kind of highly homologous polypeptide abstracted from snake venom, which contain an Arg-Gly-Asp (RGD) or Lys-Gly-Asp (KGD) sequence and plentiful cysteines, and the molecular weight is 5~9kD[1].

• 去整合素(disintegrins)是从蛇毒中提取的一类同源性很高的多肽,含有Arg-Gly-Asp(RGD)序列或Lys-Gly-Asp(KGD)序列,半胱氨酸含量丰富,分子量为5~9kD[1]。