The expressed BMP-4 was further identified to be a 43,000 dalton molecular band with anti-hBMP4 antibody in western blot analysis.

• 实验结果表明，表达产物经蛋白质免疫印迹和定量点杂交分析证实表达产物具有良好的抗原性和特异性，在蛋白电泳分析结果发现表达的hBMP4的蛋白分子量为43,000 dalton。