Antibody:	anti-Sar1b (ab155278)
Detection system:	Secondary antibody

Structure	Level	Pattern	Image	Note
TS20: cerebral cortex ventricular layer	Present		1A E12.5
TS20: cortical preplate	Present		1A E12.5

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex ventricular layer	Present		1A E14.5
TS22: cortical plate	Present		1A E14.5
TS22: cerebral cortex intermediate zone	Present	Regionally restricted	1A E14.5	Expression is in tangentially oriented fibers.

Structure	Level	Pattern	Image	Note
TS24: cerebral cortex intermediate zone	Present	Regionally restricted	1A E16.5	Expression is in tangentially oriented fibers.
TS24: cortical plate	Weak		1A E16.5

Structure	Level	Pattern	Image	Note
TS26: cerebral cortex intermediate zone	Present	Regionally restricted	1A E18.5	Expression is in tangentially oriented fibers.
TS26: cortical plate	Trace		1A E18.5

Structure	Level	Pattern	Image	Note
TS27: cerebral cortex intermediate zone	Present	Regionally restricted	1A P0	Expression is in tangentially oriented fibers.
TS27: cortical plate	Absent		1A P0

Structure	Cell Type	Level	Pattern	Image	Note
TS22: cortical plate	neuron	Present	Regionally restricted	1A E14.5 , 1B E14.5 SARB1	Expression is in immature postmitotic neurons.
TS22: cerebral cortex intermediate zone	neuron	Present	Regionally restricted	1B E14.5 SARB1 , 1A E14.5	Expression is in immature postmitotic neurons and is absent in the intermediate progenitor cells.
TS22: cerebral cortex subventricular zone	radial glial cell	Present	Regionally restricted	1A E14.5 , 1B E14.5 SARB1	Expression is in the cytoplasm of radial glial cells.
TS22: cerebral cortex ventricular layer	radial glial cell	Present	Regionally restricted	1A E14.5 , 1B E14.5 SARB1	Expression is in the cytoplasm of radial glial cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS22: cortical plate	neuron	Present	Regionally restricted	1B SARB1 CP , 1B CP Merge	Expression is in immature postmitotic neurons.

Structure	Cell Type	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	neuron	Present	Regionally restricted	1B SARB1 IZ , 1B IZ Merge	Expression is in immature postmitotic neurons.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex intermediate zone	Present	Regionally restricted	1B SARB1 IZ/SVZ , 1B IZ/SVZ Merge	Expression is absent in the intermediate progenitor cells.
TS22: cerebral cortex subventricular zone	Present	Regionally restricted	1B SARB1 IZ/SVZ , 1B IZ/SVZ Merge	Expression is absent in the intermediate progenitor cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS22: cerebral cortex subventricular zone	radial glial cell	Present	Regionally restricted	1B VZ Merge , 1B SARB1 VZ	Expression is in the cytoplasm of radial glial cells.
TS22: cerebral cortex ventricular layer	radial glial cell	Present	Regionally restricted	1B VZ Merge , 1B SARB1 VZ	Expression is in the cytoplasm of radial glial cells.