Probe:	Atf6 probe1
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present	Uniform	2c	Authors report uniform (ubiquitous) expression along epithelium and mesenchyme.
TS22: cervical loop	Present		2c	Similar expression in enamel knot, cervical loop region and along dental follicle.
TS22: dental sac	Present		2c	Similar expression in enamel knot, cervical loop region and along dental follicle.
TS22: primary enamel knot	Present		2c	Similar expression in enamel knot, cervical loop region and along dental follicle.

Structure	Level	Pattern	Image	Note
TS24: bell stage tooth	Present	Uniform	3e	Uniform expression along epithelium and mesenchyme.
TS24: dental papilla	Present	Ubiquitous	3e	Ubiquitous expression in inner enamel epithelium and dental papilla.
TS24: inner enamel epithelium	Present	Ubiquitous	3e	Ubiquitous expression in inner enamel epithelium and dental papilla.

Structure	Level	Pattern	Image	Note
TS27: molar dental papilla	Present	Regionally restricted	4e	Expression along in or near ameloblasts and odontoblasts.
TS27: molar enamel organ	Present	Regionally restricted	4e	Expression along in or near ameloblasts and odontoblasts.