Table 3. Subcellular location of the brain mural cell-enriched genes.

Cellular location	# of genes	Gene symbols
Extracellular	49	Adamts15 Adamts16 Adamts8 Arhgap42 Aspn Bgn Bmp5 C1qtnf2 C1qtnf7 C1s Ccdc80 Chn1 Col1a2 Col3a1 Col5a2 Crispld2 Daam2 Efemp2 Egflam Emilin1 F2r Fstl1 Gpc6 Hspa12a Igf2 Il34 Lama2 Lgals1 Lipg Ltbp3 Nid1 Nodal Nov Ntn1 Ogn Pcolce Pdgfa Pgf Pla1a Prelp Ptn Pxdn Rarres2 Serping1 Serpini1 Sfrp2 Tnxb Vtn Wnt5b
Membrane	98	Abcc9 Ace2 Adcy6 Amigo2 Ano1 Ano4 Aoc3 Art3 Atp13a5 Atp1a2 Atp1b2 Atp2a3 Axl Bmpr1a Cacna1h Cadm4 Cap2 Cd248 Cdh11 Cpm Cspg4 Dlk1 Dmd Ednra Enpep Eps8 Evc Fap Fgfr3 Gfra2 Ggt1 Glrb Gpr20 Gpr30 Gprc5b Gpx8 Grm3 Higd1b Ifitm1 Igf2r Itga7 Itga8 Jam3 Kcne4 Kcnj8 Kcnmb1 Kirrel Lhfp Lin7a Marveld1 Mboat2 Mcam Mrvi1 Naalad2 Notch3 Npy1r Olfr558 Olfr78 P2rx1 P2ry14 Pcdh18 Pde3a Pdgfrb Pla2r1 Plekha2 Plxdc1 Plxdc2 Plxnb1 Prkar1b Ptger3 Pth1r Rasl12 Rftn2 Ror1 Rrad S1pr3 Samd4 Scn2b Sdc2 Sema6d Sgca Sh2d3c Slc12a2 Slc16a12 Slc19a1 Slc30a10 Slc38a11 Slc6a20a Slc7a2 Slc9a3r1 Slco3a1 Steap4 Susd2 Sytl2 Tnfrsf21 Trpc1 Vasn Vstm4
Cytoplasm	67	Acta2 Adap2 Adrbk2 Aif1l Ankrd6 Arhgap10 Arhgef25 Cald1 Casq2 Cnn1 Cryab Ctnna3 Dact1 Dbndd2 Ddit4l Dennd2a Des Dgkb Dtx3 Fads3 Fam101a Fam20a Farp1 Filip1l Flna Frk Gucy1a2 Gucy1a3 Gucy1b3 Inpp4b Irs1 Lmcd1 Lmod1 Myh11 Myl9 Mylk Myom1 Ndrg2 Nts Palld Parva Pde1a Pde5a Pde8b Pdlim1 Pdlim3 Pid1 Pitpnc1 Plce1 Plcl1 Ppp1r14a Ptpn9 Rbms3 Rcn3 Rerg Rgs4 Rgs5 Sept11 Sept8 Stk39 Stmn2 Tagln Tgfb3 Tpm1 Tpm2 Uchl1 Wtip
Nucleus	30	Alx3 Arvcf Ccnd2 Ctdspl Etv1 Foxd1 Foxs1 Hey2 Heyl Hic1 Hspa2 Kctd1 Lbh Mustn1 Myocd Nr2f1 Nr2f2 Nrip2 Pawr Prickle2 Prrx1 Rasl11a Rgs7bp Runx1t1 Tbx15 Tbx18 Tbx2 Uba2 Vgll3 Zic1
Unclear	16	1110059G02Rik 1500009L16Rik 6330403L08Rik Arhgef17 AW011738 Fam107b Gm13889 Itga10 Kctd15 Klhl23 Mn1 Rbpms2 Samd5 St5 Susd5 Tbc1d2b

The identified 260 brain mural cell-enriched genes are classified into subcellular locations. The gene symbols and the total number of genes in each category are listed.