Consistent with this, proximity ligation and co-immunoprecipitation showed FOXA1 interacting with both SMARCD3 and SMARCA4 in KPf/fC tumor cells (Fig. 4e, Supplementary Fig. 4c–e); this interaction was enriched in primary KPf/fC stem cells (Fig. 4f). Here, SMARCA4 is linked to neoplasm.