Flow Cytometry: FITC mouse IgG2a κ isotype control (MOPC-173, Biolegend), APC mouse IgG2b κ isotype control (MPC-11, Biolegend), APC mouse IgG1 κ isotype control (MOPC-21), APC mouse α-PD-L1 (29E.2A3, Biolegend), APC mouse α-PD-L1 (MIH1, eBioscience), Alexa Fluor 488 rabbit α-PD-L1 (Abcam), APC mouse α-HLA-ABC (W6/32), Alexa Fluor 488 mouse α-HLA-ABC (W6/32, Biolegend), FITC mouse α-CD8 (HIT8a, BD Pharmingen), PE-Cy7 mouse α-TNFα (MAb11, eBioscience), APC mouse α-PD-1 (J105, eBioscience), PerCp-Cy5.5 mouse α-Perforin (B-D48, Biolegend).
Immunoprecipitation/Immunoblotting: goat anti-PDL1 (AF156, R&D Systems), rabbit α-PD-L1 (E1L3N, Cell Signalling Technology), mouse α-PD-L1 (405.9A11, Cell Signalling Technology), mouse α-PD-L1 (MIH1, eBioScience), rabbit α-CMTM6 (Sigma-Aldrich, HPA026980).