Antibody:

anti-Yap

Structure	Level	Pattern	Image	Note
TS21: tooth bud	Present	Regionally restricted	1g	At bud stage, expression in basal cell layer of dental epithelium.
TS21: tooth epithelium	Present	Regionally restricted	1g	At bud stage, expression in basal cell layer of dental epithelium.

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present	Regionally restricted	1h	At cap stage, nuclear expression (co-expression with TOPRO-3) in pattern similar to that of Ki67.

Structure	Level	Pattern	Image	Note
TS22: primary enamel knot	Weak	Regionally restricted	1h'	In primary enamel knot (PEK), expression reduced in cytoplasm and completely absent from nucleus.

Structure	Level	Pattern	Image	Note
TS24: bell stage tooth	Present	Regionally restricted	1i	At bell stage, authors report expression profile similar to those in primary enamel knot at cap stage.

Structure	Level	Pattern	Image	Note
TS24: secondary enamel knot	Weak	Regionally restricted	1i'	In secondary enamel knot (SEK), no nuclear expression.