Antibody:	473HD
Detection system:	Secondary antibody coupled to Cy3

Structure	Level	Pattern	Image	Note
TS21: spinal cord ventricular layer	Present	Regionally restricted	1B , 1D	Expression is in the ventral spinal cord in neural precursor cell processes around thecentral canal.

Structure	Level	Pattern	Image	Note
TS15: neural tube	Present	Regionally restricted	S1A	Expression is in the meninges and the surrounding parenchyma.

Structure	Level	Pattern	Image	Note
TS20: spinal cord ventricular layer	Present	Regionally restricted	S1B	Expression is at the ventral central canal.

Structure	Level	Pattern	Image	Note
TS21: spinal cord ventricular layer	Strong	Regionally restricted	S1C	Expression is ventral.
TS21: spinal cord	Weak	Regionally restricted	S1C	Expression is dorsal.

Structure	Level	Pattern	Image	Note
TS23: spinal cord	Strong	Non-Uniform	S1D	Expression is in the ventral spinal cord and is weak in the dorsal part.

Structure	Level	Pattern	Image	Note
TS26: spinal cord	Present	Regionally restricted	S1E	Expression was evenly distributed throughout the whole spinal cord except for the region around the central canal.
TS26: spinal cord ventricular layer	Present	Regionally restricted	S1E	Expression was evenly distributed throughout the whole spinal cord except for the region around the central canal.