Antibody:	Unch52 antibody
Detection system:	Secondary antibody coupled to Cy3

Structure	Level	Pattern	Image	Note
TS20: lung epithelium	Present		3I , 3J	Expression is at the basal and apical surfaces.
TS20: lung mesenchyme	Absent		3J , 3I

Structure	Level	Pattern	Image	Note
TS22: lung epithelium	Present		3K , 3L	Expression is at the basal and apical surfaces.
TS22: lung mesenchyme	Absent		3L , 3K

Structure	Level	Pattern	Image	Note
TS24: lung epithelium	Present		3M , 3N	Expression is at the apical side of the bronchiolar epithelium.
TS24: lung mesenchyme	Absent		3M , 3N

Structure	Level	Pattern	Image	Note
TS26: lung epithelium	Present		3O , 3P	Expression is at the apical side of the bronchiolar epithelium.
TS26: lung mesenchyme	Absent		3P , 3O

Structure	Level	Pattern	Image	Note
TS20: lung epithelium	Present		4B , 4A , 4C	Expression on the basal and lumenal surfaces overlaps with that of Dcc.

Structure	Level	Pattern	Image	Note
TS22: lung epithelium	Present		4F , 4D , 4E	Expression is on the lumenal surfaces and overlaps with that of Dcc.

Structure	Level	Pattern	Image	Note
TS24: lung epithelium	Present	Single cells	4H , 4G , 4I	Few epithelial cells express both Dcc and Unc5h2.

Structure	Level	Pattern	Image	Note
TS26: lung epithelium	Present	Single cells	4J , 4K , 4L	Few epithelial cells express both Dcc and Unc5h2.

Structure	Level	Pattern	Image	Note
TS28: liver	Absent