Fig. 2From: A conjugate of octamer-binding transcription factor 4 and toll-like receptor 7 agonist prevents the growth and metastasis of testis embryonic carcinomaQuantification of TLR7 agonist conjugated to OCT4. a: Schematic illustration on the conjugation of TLR7 agonist to protein. b: The molecular weight of OCT4 before conjugation by mass spectrometry. c: The molecular weight of OCT4 after conjugation to T7 agonist by mass spectrometry. The molecular ratio of TLR7 agonist: OCT4 is 4:1Back to article page