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(a) Schematic of MITCH. Protein polymers C7 and P9 contain repeats of the CC43 WW domain and proline-rich peptide. Mixing C7 and P9 results in hydrogel formation. (b) Microrheology of C7, P9, and C7:P9 (10.0% w/v). (c) Specific viscosity versus concentration of C7 and P9, showing scaling properties in the dilute, semi-dilute unentangled, and semi-dilute entangled regimes.
