| abstract |
Provided herein, in some embodiments, are fusion proteins comprising recombinantly engineered variant of stefin polypeptide (an AFFIMER® polypeptide) that binds to PD-L1 and a polypeptide that binds to human serum albumin (HSA). Also provided herein, in some embodiments, are compositions containing the fusion proteins, methods of using the fusion proteins, and methods of producing the fusion proteins. |