Fig. 3: Effect of spacer sequence variation on the frequency-dependent viscoelasticity of peptide-RNA condensates.
From: Programmable viscoelasticity in protein-RNA condensates with disordered sticker-spacer polypeptides
a Average viscoelastic moduli of [RxRxx]5-rU40 condensates. The crossover frequencies are indicated by black dashed lines. Shaded regions represent the dominant elastic regime (light-blue) and the dominant viscous regime (light-green), respectively. Error bars represent one standard deviation (±1 s.d.). b The frequency-dependent viscosity of [RxRxx]5-rU40 condensates as measured by pMOT. Error bars represent one standard deviation (±1 s.d.). c The zero-shear viscosity of [RxRxx]5-rU40 condensates as measured by pMOT. d The terminal relaxation time \({\tau }_{M}\) of [RxRxx]5-rU40 condensates as measured by pMOT. For the data shown in a–d: x = P/Q/G/A. For the data in a–d, the sample size is n = (18,14,18,17) measurements for x = (P,Q,A,G), respectively.
