expasy数据库的使用，说明详细，可以学习参考。ExPASyistheSIBBioinformaticsResourcePortalwhichprovidesaccesstoscientificdatabasesandsoftwaretools(i.e.,resources)indifferentareasoflifesciencesincludingproteomics,genomics,phylogeny,systemsbiology,populationgenetics,transcriptomicsetc.(see