Objective To screen the point mutation at the codon 54(GGC54GAC) in the first exon of the mannan binding lectin (MBL) gene in Hans from Guangdong.

• 目的对广东地区汉族人群的甘露聚糖结合凝集素结构基因第一外显子第54位密码点突变(GGC54GAC)进行初步筛查。