The extracellular domain of mouse CD279 [PD-1] (aa 26-169) is fused to the N-terminus of the Fc region of mouse IgG2a. CD279 (Programmed Cell Death Protein 1, PD-1) is a type I transmembrane protein belonging to the CD28/CTLA-4 family of immunoreceptors that mediate signals for regulating immune responses. Members...

Unfortunately, most cytokines have short circulating half-lives. With the creation of a group of new immunoglobulin- based cytokine fusion proteins, in which a cytokine sequence had been genetically fused to the hinge, CH2 and CH3 regions of an immunoglobulin, these cytokine fusion proteins possess both the...