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. Author manuscript; available in PMC: 2019 Aug 17.
Published in final edited form as: Acta Biomater. 2018 Nov 8;83:83–95. doi: 10.1016/j.actbio.2018.11.011

Figure 6.

Figure 6.

Cyclic stiffening and softening of PEG-peptide hydrogels (2.5 wt% PEGNB). Alternating stiffening and softening correspond to 4 hr. incubations with SrtA (25 μM) and SrtA with glycinamide (15 mM), respectively.