Antibody:	anti-HSPA5
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase
Assay notes:	This data is pictured in the supplementary material.

Structure	Level	Pattern	Image	Note
TS20: lens vesicle epithelium	Present		S5d , S5b
TS20: retina	Present		S5d , S5b

Structure	Level	Pattern	Image	Note
TS23: cerebral cortex	Present		S5f	There is diffuse expression in the developing cerebral cortex.

Structure	Level	Pattern	Image	Note
TS28: neocortex layer	Present		S5h	Expression is present in cortical neurons.

Structure	Level	Pattern	Image	Note
TS28: cerebellum	Present		S5j
TS28: cerebellum Purkinje cell layer	Present		S5j , S5l
TS28: cerebellum white matter	Present		S5j	Expression is present in the glial cells of the white matter.

Structure	Level	Pattern	Image	Note
TS28: cerebellum granule cell layer	Present			Occasional immunopositive granule cells are seen.

Structure	Level	Pattern	Image	Note
TS28: hippocampus CA1	Present		S5n	Expression is uniform in pyramidal neurons of hippocampal regions.
TS28: hippocampus CA4	Present		S5n	Expression is uniform in pyramidal neurons of hippocampal regions.
TS28: hippocampus pyramidal cell layer	Present		S5n	Expression is uniform in pyramidal neurons of hippocampal regions.
TS28: hippocampus CA2	Present		S5n , S5p	Expression is uniform in pyramidal neurons of hippocampal regions.
TS28: hippocampus CA3	Present		S5n , S5p	Expression is uniform in pyramidal neurons of hippocampal regions.
TS28: dentate gyrus	Present		S5n