Antibody:

anti-CTIP1/BCL-11A

Structure	Level	Pattern	Image	Note
TS17: surface ectoderm	Present		1a CTIP1:K14 , 1a inset , 1a CTIP1	Expression in single-layered ectoderm, co-localized with Krt14 expression.
TS17: embryo mesoderm	Present	Regionally restricted	1a CTIP1:K14 , 1a inset , 1a CTIP1	Expression in some dermal cells at early stages from E10.5

Structure	Level	Pattern	Image	Note
TS20: epidermis basal layer	Present		1b CTIP1 , 1b CTIP1:K14 , 1b inset	Expression co-localized with Krt14 expression.
TS20: dermis	Present		1b CTIP1:K14 , 1b inset , 1b CTIP1	Expression in some dermal cells.

Structure	Level	Pattern	Image	Note
TS22: epidermis suprabasal layer	Present		1c CTIP1 , 1c CTIP1:K14 , 1c inset	Expression in rapidly dividing basal layer.
TS22: dermis	Present		1c inset , 1c CTIP1 , 1c CTIP1:K14	Expression in some dermal cells.

Structure	Level	Pattern	Image	Note
TS22: epidermis suprabasal layer	Present		1d inset , 1d CTIP1 , 1d CTIP1:K10	Expression in some cells in suprabasal layers, co-localized with Krt10 expression.
TS22: dermis	Present		1d CTIP1 , 1d CTIP1:K10 , 1d inset	Expression in some dermal cells.

Structure	Level	Pattern	Image	Note
TS24: epidermis basal layer	Strong		1e CTIP1:K14 , 1e CTIP1 , 1e inset	High level of expression in basal layer, colocalized with Krt14 expression.
TS24: hair bulb	Present		1e CTIP1:K14 , 1e CTIP1 , 1e inset
TS24: dermis	Present		1e inset , 1e CTIP1:K14 , 1e CTIP1	Expression in some dermal cells.

Structure	Level	Pattern	Image	Note
TS24: epidermis suprabasal layer	Weak		1f CTIP1:K10 , 1f CTIP1 , 1f inset	Expression in few cells in suprabasal layer.
TS24: dermis	Present		1f CTIP1:K10 , 1f inset , 1f CTIP1	Expression in some dermal cells.

Structure	Level	Pattern	Image	Note
TS26: epidermis basal layer	Strong		1g inset , 1g CTIP1:K14 , 1g CTIP1	High level of expression in basal layer, colocalized with Krt14 expression.
TS26: hair follicle	Present		1g CTIP1:K14 , 1g inset , 1g CTIP1
TS26: dermis	Absent		1g CTIP1:K14 , 1g CTIP1 , 1g inset	Expression restricted to epidermis.

Structure	Level	Pattern	Image	Note
TS26: epidermis suprabasal layer	Present		1h CTIP1 , 1h inset , 1h CTIP1:K10	Expression in few cells in suprabasal layer.
TS26: dermis	Absent		1h CTIP1 , 1h inset , 1h CTIP1:K10	Expression restricted to epidermis.

Structure	Level	Pattern	Image	Note
TS28: epidermis basal layer	Present	Widespread	S1a	Expression in majority of cells in basal layer.
TS28: hair follicle	Present		S1a

Structure	Level	Pattern	Image	Note
TS28: epidermis suprabasal layer	Present		S1b	Expression in some cells in suprabasal layer.
TS28: hair follicle	Present		S1b

Structure	Level	Pattern	Image	Note
TS26: epidermis basal layer	Present	Regionally restricted	S1e inset , S1e	Some Mki67-expressing proliferating cells did not co-express Bcl11a.

Structure	Level	Pattern	Image	Note
TS26: skin	Present		S2a Ctip1+/+

Structure	Level	Pattern	Image	Note
TS26: skin	Absent		S2a Ctip1-/-

Structure	Level	Pattern	Image	Note
TS26: epidermis basal layer	Present		S2c inset , S2c	Expression co-localized with Bcl11b in most basal cells.
TS26: epidermis suprabasal layer	Present	Regionally restricted	S2c , S2c inset	Some cells of suprabasal layer either Bcl11a-positive or Bcl11b-positive.