Antibody:	anti-mouse versican (GAG-beta domain) (AB1033)
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS19: dental placode	Absent		1C
TS19: jaw primordium mesenchyme	Absent		1C

Structure	Level	Pattern	Image	Note
TS21: molar epithelium	Present	Ubiquitous	1F
TS21: molar mesenchyme	Present	Ubiquitous	1F

Structure	Level	Pattern	Image	Note
TS22: molar enamel organ	Present	Regionally restricted	1I	Even staining was detected in the inner/outer enamel epithelium.
TS22: stellate reticulum	Present		1I
TS22: molar dental papilla	Weak		1I

Structure	Level	Pattern	Image	Note
TS24: molar dental papilla	Present	Uniform	1L
TS24: stellate reticulum	Present	Uniform	1L

Structure	Level	Pattern	Image	Note
TS26: molar dental papilla	Present	Uniform	1O
TS26: stellate reticulum	Present	Uniform	1O

Structure	Level	Pattern	Image	Note
TS27: molar dental pulp	Present	Ubiquitous	2E , 2D
TS27: stellate reticulum	Present		2D , 2E
TS27: molar epithelium	Present	Regionally restricted	2D , 2E	Expression was detected in preameloblasts.
TS27: molar mesenchyme	Weak	Regionally restricted	2E , 2D	Weaker expression was detected in the secretory-odontoblasts.

Structure	Level	Pattern	Image	Note
TS28: molar epithelium	Strong	Regionally restricted	2I , 2J	Expression was stronger in the ameloblasts and the stellate reticulum than at P1.
TS28: stellate reticulum	Strong	Regionally restricted	2I , 2J	Expression was stronger in the ameloblasts and the stellate reticulum than at P1.
TS28: molar dental papilla	Strong		2I , 2J	Expression was stronger than at P1.

Structure	Level	Pattern	Image	Note
TS28: molar dental papilla	Present	Regionally restricted	2O , 2N	Expression at P7 was similar to that of P5.
TS28: molar epithelium	Present	Regionally restricted	2O , 2N	Expression at P7 was similar to that of P5.
TS28: stellate reticulum	Present	Regionally restricted	2O , 2N	Expression at P7 was similar to that of P5.

Structure	Level	Pattern	Image	Note
TS28: molar dental pulp	Strong		2T' , 2S , 2T
TS28: molar epithelium	Strong	Regionally restricted	2T , 2S , 2T'	Expression was strong in the ameloblasts.

Structure	Level	Pattern	Image	Note
TS28: molar dental pulp	Strong	Regionally restricted	2Y , 2Y' , 2X	Expression was especially intense in the perivascular dental pulp at apical areas.
TS28: periodontal ligament	Moderate		2X , 2Y' , 2Y
TS28: predentin	Moderate		2X , 2Y' , 2Y
TS28: gum epithelium	Moderate	Regionally restricted	2X , 2Y , 2Y'	Moderate staining was noted in the gingival epithelial cells.