Antibody:	anti-Wif1
Detection system:	Secondary antibody coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS19: dental placode	Present	Regionally restricted	1f	Expression initiated on E11.5 in most parts of dental epithelium and mesenchyme of molar.
TS19: jaw primordium mesenchyme	Present	Regionally restricted	1f	Expression initiated on E11.5 in most parts of dental epithelium and mesenchyme of molar.

Structure	Level	Pattern	Image	Note
TS20: tooth bud	Present	Regionally restricted	1g
TS20: jaw primordium epithelium	Strong	Regionally restricted	1g	Strongly expressed in cytoplasm of dental epithelium and mesenchyme.
TS20: jaw primordium mesenchyme	Strong	Regionally restricted	1g	Strongly expressed in cytoplasm of dental epithelium and mesenchyme.

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present	Regionally restricted	1h
TS22: primary enamel knot	Present		1h	Expression specifically localized to primary enamel knot.
TS22: molar epithelium	Present	Regionally restricted	1h	Expression in inner and outer dental epithelium.
TS22: molar dental papilla	Present		1h	Expression in stellate reticulum and dental papilla.
TS22: stellate reticulum	Present		1h	Expression in stellate reticulum and dental papilla.
TS22: molar mesenchyme	Present	Regionally restricted	1h	Expression in dental mesenchyme on buccal aspect.

Structure	Level	Pattern	Image	Note
TS24: bell stage tooth	Present	Regionally restricted	1i
TS24: secondary enamel knot	Present		1i	Specific expression in secondary enamel knot region.
TS24: molar dental papilla	Present		1i	Expression in dental papilla.
TS24: molar mesenchyme	Present	Regionally restricted	1i	Expression in dental mesenchyme on buccal aspect.