结论：小鼠tfar19是与人TFAR19高度同源的新基因，与DNA拓扑异构酶i可能有功能相关性。
Conclusion: The mouse TFAR19 sequence is highly homologous with human TFAR19 and may have functional relationship with DNA topoisomerase I.
应用随机扩增DNA多态性分析技术（RAPD）分析产金属酶菌株的同源性。
Random amplified polymorphic DNA(RAPD) typing was carried out to analyze the homology of the isolates.
利用同源模建和分子动力学模拟方法，模建了大肠杆菌中高丝氨酸琥珀酰基转移酶的三维结构。
The three dimensional structure of homoserine transsuccinylase from Escherichia coli(EcHTS) was modeled by using homology and molecular dynamics methods.
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