Antibody:	Anti-Olig2 (clone 211F1.1)
Assay notes:	Two Olig2 antibodies were described, but the one used in this assay was not detailed. Anti-Olig2 (Ab9610) MGI:5586691 may have been used in this assay.

Structure	Cell Type	Level	Pattern	Image	Note
TS21: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	S4B Olig2 , S4B E13.5 , S4B (merged)	Expression in oligodendrocyte precursor cells along migratory pathway from ganglionic eminence to cerebral cortex.
TS21: corpus striatum		Present	Regionally restricted	S4B Olig2 , S4B (merged) , S4B E13.5	Expression in in ventral striatum.
TS21: cerebral cortex		Present		S4B E13.5 , S4B Olig2 , S4B (merged)	Expression in cells primarily co-expressing Pdgfra.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	S4C Olig2 , S4C E15.5 , S4C (merged)	Expression in oligodendrocyte precursor cells along migratory pathway from ganglionic eminence to cerebral cortex.
TS23: corpus striatum		Present	Regionally restricted	S4C Olig2 , S4C E15.5 , S4C (merged)	Expression in in ventral striatum.
TS23: cerebral cortex		Present		S4C (merged) , S4C Olig2 , S4C E15.5	Expression in cells primarily co-expressing Pdgfra.

Structure	Cell Type	Level	Pattern	Image	Note
TS21: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	S4E Olig2 , S4E E13.5 cortex	Expression in oligodendrocyte precursor cells correlated with blood vessel branch points.

Structure	Level	Pattern	Image	Note
TS23: cerebral cortex	Present	Regionally restricted	S4F E15.5 cortex , S4F Olig2

Structure	Cell Type	Level	Pattern	Image	Note
TS21: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	6a	Expression in oligodendrocyte lineage cells migrating along path from ventral subventricular zone to striatum and cortex. Expression in cells extending along vessel walls.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	6c	Expression in oligodendrocyte lineage cells migrating along path from ventral subventricular zone to striatum and cortex. Expression in cells extending along vessel walls.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	6e	Expression in oligodendrocyte lineage cells migrating along path from dorsal subventricular zone to pial surface. Expression in cells extending along vessel walls.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7d (merged upper) , 7d Olig2 (upper)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7d Olig2 (lower) , 7d (merged lower)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7e (merged upper) , 7e Olig2 (upper)	Expression in oligodendrocyte precursor cells. with round nuclear morphology, mostly Egfr-negative.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7e (merged lower) , 7e Olig2 (lower)	Expression in oligodendrocyte precursor cells. with round nuclear morphology, mostly Egfr-negative.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7g Olig2 (upper) , 7g (merged upper)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7g Olig2 (lower) , 7g (merged lower)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7h (merged upper) , 7h Olig2 (upper)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: cerebral cortex	oligodendrocyte precursor cell	Present	Regionally restricted	7h (merged lower) , 7h Olig2 (lower)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: corpus striatum	oligodendrocyte precursor cell	Present	Regionally restricted	S11D Olig2 (upper) , S11D (merged upper)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: corpus striatum	oligodendrocyte precursor cell	Present	Regionally restricted	S11D (merged lower) , S11D Olig2 (lower)	Expression in oligodendrocyte precursor cells with elongated nuclear morphology, mostly Egfr-positive and located both perivascularly and non-perivascularly.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: forebrain	oligodendrocyte precursor cell	Present	Regionally restricted	S11E Olig2 (upper) , S11E (merged upper)	Expression in oligodendrocyte precursor cells. with round nuclear morphology, mostly Egfr-negative.

Structure	Cell Type	Level	Pattern	Image	Note
TS23: corpus striatum	oligodendrocyte precursor cell	Present	Regionally restricted	S11E (merged lower) , S11E Olig2 (lower)	Expression in oligodendrocyte precursor cells. with round nuclear morphology, mostly Egfr-negative.