Antibody:	anti-Foxp4 (HPA007176)
Detection system:	Secondary antibody coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS20: cerebellum primordium	Present	Regionally restricted	1A	Predominantly localized in the medial and lateral isthmic organizer and anterior cerebellum neuroepithelium. All the staining was localized in nucleus.

Structure	Level	Pattern	Image	Note
TS20: cerebellum primordium	Present	Regionally restricted	1B	Predominantly localized in the medial and lateral isthmic organizer and anterior cerebellum neuroepithelium. All the staining was localized in nucleus.

Structure	Level	Pattern	Image	Note
TS21: cerebellum	Present	Regionally restricted	1C	Expressed mainly in the subventricular zone above the neuroepithelium in the lateral, but not medial, cerebellum primordium. All the staining was localized in nucleus.
TS21: cerebellum lateral part	Present	Regionally restricted	1C	Expressed mainly in the subventricular zone above the neuroepithelium. All the staining was localized in nucleus.

Structure	Level	Pattern	Image	Note
TS21: cerebellum lateral part	Present	Regionally restricted	1D	Expressed mainly in the subventricular zone above the neuroepithelium. All the staining was localized in nucleus.
TS21: cerebellum	Present	Regionally restricted	1D	Expressed mainly in the subventricular zone above the neuroepithelium in the lateral, but not medial, cerebellum primordium. All the staining was localized in nucleus.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: cerebellum Purkinje cell cluster	Purkinje cell	Present		1E	Expressed in "just-settled" Purkinje cells beneath the newly formed external granular layer. All the staining was localized in nucleus.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: cerebellum Purkinje cell layer	Purkinje cell	Present		1F	Expressed in multiple layers of Purkinje cells. All the staining was localized in nucleus.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: cerebellum Purkinje cell layer	Purkinje cell	Present		1G , 1G'	Positive Purkinje cells further migrated to form two to three cell layers. All the staining was localized in nucleus.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: cerebellum Purkinje cell layer	Purkinje cell	Present		1H	Positive Purkinje cells aligned as a monolayer. All the staining was localized in nucleus.