Compartment	Subtype	Cluster	Gene	Comments
Cardiomyocytes	AtrialCardiomyocytes	AtrialCardiomyocytesLeft	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,KCNMB2,PCDH7,RYR3,PANCR,MBP,NAV3,PITX2,NPTN,NPPA,MYL7,MYL4,MYH6,PPKAG2"	"Genes NPPA,MYL7,MYL4,MYH6,PPKAG2 are from Kanemaru et al"
Cardiomyocytes	AtrialCardiomyocytes	AtrialCardiomyocytesRight	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,NTM,ROR1,KIF26B,PLC1,ANGPT1,BRINP3,BMP10,NPTN,NPPA,MYL7,MYL4,MYH6,PPKAG2"	"Genes NPPA,MYL7,MYL4,MYH6,PPKAG2 are from Kanemaru et al"
Cardiomyocytes	AtrialCardiomyocytes	AtrialCardiomyocytesCycling	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,NTM,NPTN,NPPA,MYL7,MYL4,MYH6,PPKAG2"	"Genes NPPA,MYL7,MYL4,MYH6,PPKAG2 are from Kanemaru et al"
Cardiomyocytes	VentricularCardiomyocytes	VentricularCardiomyocytesLeftCompact	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,SLC1A3,ADGRL2,MGAT4C,CDH13,CRIM1,RABGAP1L,CPVL,SYNDIG1,TBX20,KCNQ5,HEY2,LRMDA,MYH7,MYL2,FHL2,RYR2,TTN,LDB3"	"Genes MYH7,MYL2,FHL2,RYR2,TTN,LDB3 are from Kanemaru et al"
Cardiomyocytes	VentricularCardiomyocytes	VentricularCardiomyocytesRightCompact	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,ANKRD1,MYL2,PRRX1,GPNMB,ZNF385D,RABGAP1L,CPVL,SYNDIG1,CYP2J2,CNN1,NPPB,XIRP2,MYH7,MYL2,FHL2,RYR2,TTN,LDB3"	"Genes MYH7,MYL2,FHL2,RYR2,TTN,LDB3 are from Kanemaru et al"
Cardiomyocytes	VentricularCardiomyocytes	VentricularCardiomyocytesLeftTrabeculated	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,SLC1A3,ADGRL2,MGAT4C,CDH13,CRIM1,ADCY5,SEMA5A,ADAMTSL1,SGCD,MYOM2,SPOCK1,SLIT3,BRINP3,CSMD1,CRNDE,OPCML,MYH7,MYL2,FHL2,RYR2,TTN,LDB3"	"Genes MYH7,MYL2,FHL2,RYR2,TTN,LDB3 are from Kanemaru et al"
Cardiomyocytes	VentricularCardiomyocytes	VentricularCardiomyocytesRightTrabeculated	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,ANKRD1,MYL2,PRRX1,GPNMB,ZNF385D,ADCY5,SEMA5A,ADAMTSL1,SGCD,MYOM2,SPOCK1,SLIT3,NCALD,ENOX1,KCNIP4,SORCS3,MYH7,MYL2,FHL2,RYR2,TTN,LDB3"	"Genes MYH7,MYL2,FHL2,RYR2,TTN,LDB3 are from Kanemaru et al"
Cardiomyocytes	VentricularCardiomyocytes	VentricularCardiomyocytesCycling	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,MYH7,MYL2,FHL2,RYR2,TTN,LDB3"	"Genes MYH7,MYL2,FHL2,RYR2,TTN,LDB3 are from Kanemaru et al"
Cardiomyocytes	CardiacConductionSystem	SinoatrialNodePacemakerCells	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,MYH6,CACNA1D,KCNJ3,NR2F2,NRXN1,CAMK1D,HCN1,TBX3,SHOX2,PDE1A,TENM4,MYH11,TBX18,NPTN,HCN4"	HCN4 is from Kanemaru et al
Cardiomyocytes	CardiacConductionSystem	AtrioventricularNodePackemakerCells	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,MYH6,CACNA1D,KCNJ3,NR2F2,NRXN1,CAMK1D,HCN1,TBX3,GREB1L,GNG11,NRXN3,RSPO3,ZNF536,NPTN,HCN4"	HCN4 is from Kanemaru et al
Cardiomyocytes	CardiacConductionSystem	VentricularConductionSystemProximal	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,MYH7,MYL2,NAV1,ADAMTSL1,GJA1,GCNT2,LPL,PCDH7,PRDM16,NIBAN1,PHACTR1,FGF18"	
Cardiomyocytes	CardiacConductionSystem	VentricularConductionSystemDistal	"TNNT2,ACTN2,LDB3,CSRP3,SMPX,MYH7,MYL2,NAV1,ADAMTSL1,GJA1,GCNT2,LPL,OPCML,NTN1,IRX3,IRX2,DGKG"	
Mesenchymal	Fibroblasts	GreatVesselAdventitialFibroblasts	"FBLN1,LRRC17,NLGN1,FOS,PCDH7,COLEC12,FBN1,DCN,SFRP2,ROR1,TSHZ2,MEIS1,PIEZO2"	
Mesenchymal	Fibroblasts	CoronaryVesselAdventitialFibroblasts	"COL6A3,FBLN1,MFAP4,LRRC17,TCF21,FN1,FBN1,DCN,PDGFRA,TCF21,MOXD1,FNDC1,FBLN5,DES,CEMIP,SLIT3,TBX20,SCN7A,FREM1,TCF21,GATA4"	
Mesenchymal	Fibroblasts	MyocardialInterstitialFibroblasts	"COL6A3,MFAP4,LRRC17,TCF21,FN1,FBN1,DCN,PDGFRA,TCF21,EPHA3,SCN7A,COL15A1,ROBO2,CD34,COL25A1,MYRIP,NRG1"	
Mesenchymal	Fibroblasts	SubEpicardialFibroblasts	"COL6A3,FBLN1,LRRC17,TCF21,FN1,FBN1,DCN,PDGFRA,SLIT3,MIR100HG,FLRT2,BNC2,CASC15,TSHZ2,PRRX1,SFRP1,BRINP3,EPHA3"	
Mesenchymal	Fibroblasts	Myofibroblasts	"COL6A3,LRRC17,TCF21,FN1,FBN1,DCN,TNC,TCF21,CASC15,EPHA3,IGFBP7,SEMA5A,APOE,ITGA1,HES4,NOTCH3,PLA2G5,MCAM"	
Mesenchymal	Fibroblasts	LymphNodeFibroblasticReticularCells	COL6A3	
Mesenchymal	Fibroblasts	ValveInterstitialCells	"MFAP4,COL9A2,PTN,ID4,PRRX1,BAMBI,INHBA,CLU,TWIST1,COL9A3,COL9A2,IGF1,RSPO3,MMP23B,SCX,COL9A1"	
Mesenchymal	MuralCells	GreatVesselSmoothMuscleCells	"FBLN1,MFAP4,LRRC17,PTGER3,PDE3A,NLGN1,PCDH7,COLEC12,FN1,FBN1,ELN,FBLN5,THSD4,SFRP1,PRDM6,ERBB4"	
Mesenchymal	MuralCells	CoronarySmoothMuscleCells	"COL6A3,EDNRA,EDNRB,FOS,FN1,AGRN,NR2F2,TFPI,TBX2,ENPEP,COL18A1"	
Mesenchymal	MuralCells	DuctusArteriosusSmoothMuscleCells	"MFAP4,ROBO2,DCLK2,PDE1C,TAFA1,CSMD1,CHRM2,PTGER4,PDE3A,PDE4D,PDE5A,FOS,FOSB,PCDH7,FN1,ELN,FBLN5,TNC"	
Mesenchymal	MuralCells	CoronaryPericytes	"COL6A3,EDNRA,EDNRB,FN1,AGRN"	
Mesenchymal	PericardialCells	PericardialCellsIntermediate	"COL6A3,FBLN1,PCOLCE,WT1,COL6A3,COL12A1,POSTN,VCAN,COL16A1,GPC3,ITM2A,TSHZ2,AUTS2,PID1,CD9,CD63,CD81,COL1A2"	
Mesenchymal	PericardialCells	PericardialCellsFibrous	"COL6A3,FBLN1,PCOLCE,COL6A3,COL12A1,POSTN,VCAN,COL16A1,GPC3,SPARCL1,ITM2A,SERPINF1,CD9,CD63,CD81,COL1A1,COL1A2,COL3A1"	
Mesenchymal	PericardialCells	PericardialCellsParietal	"COL6A3,WT1,COL6A3,COL12A1,POSTN,VCAN,COL16A1,COL12A1,MEG3,TSHZ2,AUTS2,SETBP1,PID1,PDZRN3"	
Endothelium	BloodVesselEndothelialCells	GreatVesselArterialEndothelialCells	"ECSCR,CDH5,PTPRB,TIE1,NLGN1,FOS,FOSB,COLEC12,FN1,ELN,FLN5,HSPG2,HMCN1,COL3A1,MEIS2,PLXNA4,NRG3"	
Endothelium	BloodVesselEndothelialCells	GreatVesselVenousEndothelialCells	"ECSCR,EMCN,CDH5,PTPRB,TIE1,PCDH7,COLEC12,FBN1,HSPG2,HMCN1,COL3A1,MEIS2,PLXNA4,NRG3"	
Endothelium	BloodVesselEndothelialCells	CoronaryArterialEndothelialCells	"ECSCR,CDH5,PTPRB,TIE1,FN1,FBN1,ELN,FBLN5,HSPG2,AGRN,A2M,COL4A1,COL4A2,H19,ADGRL4"	
Endothelium	BloodVesselEndothelialCells	CoronaryVenousEndothelialCells	"ECSCR,EMCN,CDH5,PTPRB,TIE1,FBN1,HSPG2,A2M,COL4A1,COL4A2,H19,ADGRL4"	
Endothelium	BloodVesselEndothelialCells	CoronaryCapillaryEndothelialCells	"ECSCR,EMCN,CDH5,PTPRB,TIE1,HSPG2,AGRN,A2M,COL4A1,COL4A2,H19,ADGRL4"	
Endothelium	EndocardialCells	EndocardialCells	"ECSCR,EMCN,CDH5,TIE1,PCDH7,ADGRG6,NPR3,SMOC1,POSTN"	
Endothelium	EndocardialCells	EndocardialCushionCells	"ECSCR,EMCN,CDH5,TIE1,TMEM132D,TSPAN8,HAS2,PROX1,COL26A1,BMP4,GJA4,TMEM132D,TSPAN8,CNR1,MSX1,APCDD1,NFATC1,BAMBI,POSTN"	
Endothelium	EndocardialCells	ValveEndothelialCells	"ECSCR,EMCN,CDH5,PTPRB,TIE1,APCDD1,HAPLN1,KLF2,FXYD5,LTC4S,CCL21,NFATC1,NRGN,DKK2,KCNJ2,SULF1,GJA1,KISS1"	
Endothelium	LymphaticEndothelialCells	LymphaticEndothelialCells	"ECSCR,CDH5,TIE1,CCL21,PECAM1,PROX1,CD36,MPP7,STAB2,PARD6G,DOCK5,LYVE1,STON2"	
Epicardium	EpicardialCells	MesothelialEpicardialCells	"BNC1,MYRF,ITLN1,UPK3B,MSLN,WT1,TPM1,ALDH1A2,EZR,CFI,KRT8,KRT18,BNC1,MSLN,HAS1,PRG4,SBSPON,ITLN1,TBX18"	
Epicardium	EpicardialCells	EpicardiumDerivedCells	"BNC1,MYRF,ITLN1,UPK3B,MSLN,WT1,TPM1,ALDH1A2,EZR,CFI,KRT8,KRT18,BNC1,MSLN,HAS1,PRG4,KDR,FLRT3,CPB1,VEGFC"	
Neural	Neurons	NeuronPrecursors	"PHOX2B,NRXN1,SYT1,CD24,PCLO,ASCL1,NELL2,BNC2,DLL3,FNDC5"	
Neural	Neurons	ChromaffinCells	"NRXN1,SYT1,PCSK1N,CD24,EML5,PCLO,DLK1,EPAS1,KCNJ6,CCSER1,INSM1,VEGFA,NDUFA4L2,ADM,SLC18A2,FZD5"	
Neural	Neurons	SympatheticNeurons	"PHOX2B,SYT1,PCSK1N,CD24,EML5,PCLO,PHOX2A,STMN2,GATA3,ISL1,RGS5,DBH,VSTM2L,RTN1"	
Neural	Neurons	ParasympatheticNeurons	"PHOX2B,CDH6,NRXN1,CNTN2,SYT1,PCSK1N,CD24,EML5,PCLO,PHOX2A,STMN2,GATA3,ISL1,RTN1,ELAVL2,MAPT,PRPH,MTUS1,CADPS,NEFL,PLPP4,CELF4,SST,PRUNE2,SV2C,PGM2L1,TMEM59L,SLC5A7,TENM2"	
Neural	Glia	SchwannCellPrecursors	"PHOX2B,SLC35F1,ZNF536,CDH6,NRXN1,PTPRZ1,CDH19,ERBB3,MEF2C,CDH6,SOX5,LAMA4,COL5A2,MPZ,PLS3,SLITRK6,IL1RAPL2,GFRA1,PTN,PRKG1,COL20A1,IL1RAP"	
Neural	Glia	SchwannCells	"SLC35F1,ZNF536,CDH6,NRXN1,PTPRZ1,CDH19,ERBB3,MEF2C,CDH6,SOX5,LAMA4,COL5A2,MPZ,LAMB1,COL4A1,OLFML2A,NR2F2,GASK1B,EGFL8,HSPG2,COL14A1,PLEKHA4,IGA6,SCN7A,LAMA2,ARHGAP15,NRXN3,SEMA3B,TGFBR3"	
Leukocytes	MyeloidCells	MonocytesMPOpos	LCP1	
Leukocytes	MyeloidCells	Monocytes	"PTPRC,LCP1"	
Leukocytes	MyeloidCells	MonocyteDerivedCells	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	MacrophagesCX3CR1pos	"PTPRC,RUNX1"	
Leukocytes	MyeloidCells	MacrophagesTIMD4pos	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	MacrophagesLYVE1pos	"PTPRC,RUNX1,DOCK2"	
Leukocytes	MyeloidCells	MacrophagesATF3pos	"PTPRC,RUNX1,DOCK2"	
Leukocytes	MyeloidCells	DendriticCellsType1	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	DendriticCellsMature	"RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	PlasmocytoidDendriticCells	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	MastCells	"RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	MyeloidCells	Megakaryocytes	RUNX1	
Leukocytes	LymphoidCells	TCellsCD4pos	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	LymphoidCells	TCellsCD8pos	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	LymphoidCells	TregsCD4pos	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	LymphoidCells	ProBCells	"RUNX1,IKZF1"	
Leukocytes	LymphoidCells	Bcells	"PTPRC,RUNX1,DOCK2,IKZF1"	
Leukocytes	LymphoidCells	BcellsMS4A1pos	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	LymphoidCells	NaturalKillerCells	"PTPRC,RUNX1,DOCK2,IKZF1,LCP1"	
Leukocytes	LymphoidCells	InnateLymphoidCells	"PTPRC,IKZF1,LCP1"