TCDB is operated by the Saier Lab Bioinformatics Group
1.U: Cell-Permeable Peptide (CPP)

1.U.  Cell-Permeable Peptide (CPP)  Peptides of this subclass can penetrate membrane and facilitate the transport of cargo molecules by forming convalent bonds between the CPP and the cargo. Cargos can be protein, DNA, RNA, etc.