Antibody:	anti-LC3
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS21: enamel organ	Present		2A
TS21: tooth bud	Present		2A
TS21: lower jaw molar mesenchyme	Present	Regionally restricted	2A	Expression is in the condensed mesenchyme underlying the enamel organ.

Structure	Level	Pattern	Image	Note
TS22: cap stage tooth	Present		2B
TS22: lower jaw molar enamel organ	Present		2B	Expression is in the inner and outer enamel epithelium, especially in the cervical loop.
TS22: primary enamel knot	Present	Regionally restricted	2B	Expression is in the part that is facing the mesenchyme.
TS22: lower jaw molar dental papilla	Weak		2B
TS22: stellate reticulum	Weak		2B

Structure	Cell Type	Level	Pattern	Image	Note
TS24: inner enamel epithelium		Present		2C
TS24: outer enamel epithelium		Present		2C
TS24: stratum intermedium		Present		2C
TS24: lower jaw molar enamel organ		Present		2C	Expression is in the inner and outer enamel epithelium.
TS24: mandible	osteoblast	Strong	Regionally restricted	2C , 2D	Expression is in some of the osteoblasts in the alveolar bone.

Structure	Level	Pattern	Image	Note
TS22: secondary palate	Very strong	Regionally restricted	2E	Expression is at the non-transitional epithelial island of the medial epithelial seam at the midline.

Structure	Level	Pattern	Image	Note
TS22: nasal septum	Present		2F

Structure	Level	Pattern	Image	Note
TS24: nasal septum	Present		2G

Structure	Level	Pattern	Image	Note
TS24: neural retina	Strong		2H

Structure	Cell Type	Level	Pattern	Image	Note
TS27: molar dental pulp	odontoblast	Present	Regionally restricted	3A , 3B	Expression is in polarizing, and differentiated odontoblasts.
TS27: lower jaw molar enamel organ	ameloblast	Present	Regionally restricted	3B , 3A	Expression is in the differentiating ameloblasts.
TS27: stellate reticulum		Present	Single cells	3C , 3A , 3B

Structure	Cell Type	Level	Pattern	Image	Note
TS28: lower jaw molar dental follicle		Strong		3F , 3D , 3E
TS28: stellate reticulum		Strong		3F , 3D , 3E
TS28: stratum intermedium		Strong		3F , 3D , 3E
TS28: alveolar process	osteoblast	Present		3F , 3D , 3E	Expression is in osteoblasts in the alveolar bone.
TS28: molar dental pulp	odontoblast	Present	Regionally restricted	3F , 3E , 3D	Expression is in odontoblasts.
TS28: lower jaw molar enamel organ	ameloblast	Present	Regionally restricted	3D , 3F , 3E	Expression is in ameloblasts.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: lower jaw molar dental follicle		Strong		3G , 3I , 3H
TS28: stellate reticulum		Strong		3G , 3I , 3H
TS28: stratum intermedium		Strong		3G , 3I , 3H
TS28: lower jaw molar enamel organ	ameloblast	Present	Regionally restricted	3G , 3H , 3I	Expression is in ameloblasts.
TS28: molar dental pulp		Present	Regionally restricted	3H , 3G , 3I	Expression is in odontoblasts.
TS28: alveolar process		Present	Regionally restricted	3G , 3H , 3I	Expression is in osteoblasts in the alveolar bone.
TS28: Hertwig's epithelial root sheath		Present		3H , 3G , 3I

Structure	Level	Pattern	Image	Note
TS28: Hertwig's epithelial root sheath	Present		3L , 3K , 3J
TS28: periodontal ligament	Present		3L , 3K , 3J
TS28: molar dental pulp	Present	Regionally restricted	3L , 3J , 3K	Expression is in odontoblasts.

Structure	Level	Pattern	Image	Note
TS26: inner enamel epithelium	Present
TS26: late bell stage tooth	Present
TS26: outer enamel epithelium	Present
TS26: stratum intermedium	Present
TS26: lower jaw molar enamel organ	Present	Regionally restricted		Expression is in the inner and outer enamel epithelium.