Resource,Source,Identifier Rabbit Anti-AP2 alpha Polyclonal Antibody, Unconjugated,Abcam,RRID:AB_867683 Cytokeratin 7,Agilent,RRID:AB_2134589 Oct-3/4,BD Biosciences,RRID:AB_398736 Human GATA-3 Antibody,R and D Systems,RRID:AB_2108571 Human Islet-1 Antibody,R and D Systems,RRID:AB_2126324 Wnt6 antibody,Abcam,RRID:AB_946163 Human HAND1 Antibody,R and D Systems,RRID:AB_2115853 Anti-PRTG antibody produced in rabbit,Sigma-Aldrich,RRID:AB_10669675 Anti-TFAP2C antibody,Sigma-Aldrich,RRID:AB_2686902 COUP-TF II,Perseus Proteomics,RRID:AB_2314222 Anti-ELF3 antibody produced in rabbit,Sigma-Aldrich,RRID:AB_1078756 hCG beta antibody [5H4-E2],Abcam,RRID:AB_296507 Phospho-Smad1 (Ser463/465)/ Smad5 (Ser463/465)/ Smad9 (Ser465/467) (D5B10) Rabbit mAb,Cell Signaling Technology,RRID:AB_2493181 Rabbit Anti-Myc-Tag Monoclonal Antibody, Unconjugated, Clone 71D10,Cell Signaling Technology,RRID:AB_490778 TEF-1,BD Biosciences,RRID:AB_398237 Yes-associated protein,Santa Cruz Biotechnology,RRID:AB_1131430 Rabbit Anti-Actin, aa 20-33 Antibody, Unconjugated,Sigma-Aldrich,RRID:AB_476738 GABA A receptor pi antibody,Abcam,RRID:AB_470785 Phospho-PLC 1 (Ser1248) (D25A9) Rabbit mAb,Cell Signaling Technology,RRID:AB_10890863 H3K4me3-human,Cell Signaling Technology,RRID:AB_2616028 Monoclonal ANTI-FLAGĀ® M2 antibody,Sigma-Aldrich,RRID:AB_259529 Anti-Myc Tag, clone 4A6,Millipore,RRID:AB_11211891 CD249,BD Biosciences,RRID:AB_2738837 HA-Tag (C29F4) Rabbit mAb,Cell Signaling Technology,RRID:AB_1549585 Tri-Methyl-Histone H3 (Lys27) (C36B11) Rabbit mAb,Cell Signaling Technology,RRID:AB_2616029 253G1,Cellosaurus,RRID:CVCL_B518 pENTR1A-Huwe1,Addgene,RRID:Addgene_37431 Fiji,http://fiji.sc,RRID:SCR_002285 ImageJ,https://imagej.net/,RRID:SCR_003070 Gene Expression Omnibus (GEO),https://www.ncbi.nlm.nih.gov/geo/,RRID:SCR_005012 Picard,http://broadinstitute.github.io/picard/,RRID:SCR_006525 Deeptools,https://deeptools.readthedocs.io/en/develop/,RRID:SCR_016366 HOMER,http://homer.ucsd.edu/,RRID:SCR_010881 FlowJo,https://www.flowjo.com/solutions/flowjo,RRID:SCR_008520 ggplot2,https://cran.r-project.org/web/packages/ggplot2/index.html,RRID:SCR_014601