With aid of Genbank homology analysis program, the sequence of PFN1 had 99% homology with the homo sapiens ubiquitin-activating enzyme E1 gene.

• 与GeneBank资料序列同源性比较分析提示PFN1与泛素活化酶E1同源性 99%25 ,即为人类泛素活化酶E1基因的一部分。