Drp1 peptide inhibitor P110 and control peptide TAT were synthesized by Ontores Biotechnologies (Hangzhou, China). As previously described, (Qi et al, 2013) the peptides were synthesized as one polypeptide with TAT47–57 carrier in the following order: N‐terminus–TAT–spacer (Gly‐Gly)–cargo (Drp149–55)–C‐terminus. The purity of peptides was > 90% measured by RP‐HPLC Chromatogram.