After examining the pulled‐down proteins by lncRNA ARHGAP5‐AS1 using mass spectrometry proteomics, we identified multiple cancer‐related proteins including CSDE1, ZC3HAV1, CCT8, CKAP4, PARP1, PEG10 and APEX1 in HepG2 (Table S6). The gene discussed is PARP1; the disease is cancer.