Update publication information. HEK293T were transfected with SARS-CoV-2-E-HA for 36 h, then treated with MG132 or DMSO for 12 h prior to harvest. Co-IP assay were performed with HA beads (Roche, catalog no. 11867423001), the elution was analyzed by mass spectrum. Mass spectrum analysis were performed by the national center for protein science (Beijing, CHN).