Antibody:

anti-BMP-4 (sc-6896)

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar epithelium	Present		2A
TS21: lower jaw molar mesenchyme	Present		2A
TS21: tooth bud	Present		2A

Structure	Level	Pattern	Image	Note
TS21: eye	Strong		2B

Structure	Level	Pattern	Image	Note
TS21: lower jaw molar epithelium	Present		2D
TS21: lower jaw molar mesenchyme	Present		2D
TS21: tooth bud	Present		2D

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present		2E
TS22: lower jaw molar epithelium	Present		2E
TS22: lower jaw molar mesenchyme	Present		2E

Structure	Level	Pattern	Image	Note
TS23: cap stage tooth	Present	Regionally restricted	2F
TS23: lower jaw molar	Present	Regionally restricted	2F
TS23: primary enamel knot	Present	Regionally restricted	2F	Expression is in the internal cells distant from the basement membrane.
TS23: lower jaw molar enamel organ	Present	Regionally restricted	2F	Expression is in the enamel organ close to the stalk.
TS23: lower jaw molar epithelium	Weak		2F
TS23: lower jaw molar mesenchyme	Weak		2F

Structure	Level	Pattern	Image	Note
TS25: bell stage tooth	Strong		2G
TS25: lower jaw molar mesenchyme	Strong		2G

Structure	Level	Pattern	Image	Note
TS26: inner enamel epithelium	Weak	Regionally restricted	2K , 2H	Expression is in the basal pole of inner dental epithelium.
TS26: late bell stage tooth	Weak	Regionally restricted	2K , 2H	Expression is in the basal pole of inner dental epithelium.
TS26: lower jaw molar	Weak	Regionally restricted	2K , 2H	Expression is in the basal pole of inner dental epithelium.

Structure	Level	Pattern	Image	Note
TS25: secondary enamel knot	Absent