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应用聚丙烯酸胺凝胶等电聚焦技术，调查了吉林地区226名朝鲜族个体唾液酸性富含脯氨酸蛋白二位点上共6种等位基因频率的分布：PRH1*1为0．0331，PRH1*2为0．2124，PRH1*4为0．7477，PRH1*6为0．0068；PRH2*1为0．7544，PRH2*2为0．2456。按Hardy－Weinberg法则进行吻合度检验，其观察值和期望值一致，并对吉林地区朝鲜族与其它地区人群酸性富含脯氨酸蛋白等位基因的差异性做了比较。PRH1和PRH2在吉林延边地区朝鲜族的个人识别能力分别为0.58和0．53，两者总鉴别机率为0．80；PRH1和PRH2的非父排除率为0．1875和0．1510，两者总非父排除率为0．3102。
The polyacrylamide gel isoelectric focusing technique was used to investigate the distribution of allelic frequencies of 6 alleles at sialic acid rich proline in 226 Korean ethnic individuals in Jilin Province: PRH1 * 1 was 0.0331, PRH1 * 2 was 0.2124, PRH1 * 4 was 0.7477, PRH1 * 6 was 0.0068, PRH2 * 1 was 0.7544 and PRH2 * 2 was 0.2456. According to Hardy-Weinberg rule, the concordance test was consistent with the expected value, and compared the differences of alleles of acid rich proline among Koreans in Jilin and other regions. The PRI of PRH1 and PRH2 in Yanbian area of Jilin Province were 0.58 and 0.53, respectively, and the overall discrimination probability of PRH1 and PRH2 was 0.80. The non-parent exclusion rates of PRH1 and PRH2 were 0.1875 and 0.1510, both The total non-parent exclusion rate was 0.3102.