OriGene is a leading provider of high-quality cDNA clones for over a decade, offering both untagged TrueClone and tagged TrueORF cDNA clones for applications such as protein overexpression, purification, and localization studies, with the TrueORF clones validated via western blot for protein expression. OriGene's cDNA clones are available in various vector systems such as the PrecisionShuttle system for flexible cloning and a wide range of destination vectors to suit different experimental needs.