PPL, or Public Protein/Plasmid Library, provides research tools and technical services for the life sciences. Its product range includes plasmids, cytokines and recombinant proteins, supporting reagents, and resources for research into cellular autophagy, CAR-T, cell immortalization, and circular RNA. The company offers both in-stock and pre-order plasmids, alongside products for its specialist research areas.

PPL’s technical services include siRNA synthesis, adeno-associated virus and lentivirus packaging, custom monoclonal antibody production, and eukaryotic protein expression using mammalian, insect, or yeast systems. It also provides prokaryotic protein expression in E. coli, CAR-T research services, and the construction of stable cell lines using CRISPR/Cas9 gene editing or approaches for gene overexpression, mutation, and knockdown.

The company presents its offerings as practical tools and comprehensive technical solutions for researchers, particularly in CAR-T, autophagy, and cell immortalization studies. PPL is based at Jiangsu Life Science Innovation Park and provides contact details for product inquiries and service information.