Antibody:	anti-beta-catenin
Detection system:	Secondary antibody coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS13: embryo ectoderm	Present		3E , 3C	Expression is at the membrane in cells of the three germ layers.
TS13: embryo endoderm	Present		3E , 3C	Expression is at the membrane in cells of the three germ layers.
TS13: embryo mesoderm	Present		3E , 3C	Expression is at the membrane in cells of the three germ layers.

Structure	Level	Pattern	Image	Note
TS13: embryo ectoderm	Weak		3F , 3D	Expression at the membrane in cells of the three germ layers is reduced in the posterior embryo.
TS13: embryo endoderm	Weak		3F , 3D	Expression at the membrane in cells of the three germ layers is reduced in the posterior embryo.
TS13: embryo mesoderm	Weak		3F , 3D	Expression at the membrane in cells of the three germ layers is reduced in the posterior embryo.

Structure	Level	Pattern	Image	Note
TS15: hindgut diverticulum epithelium	Present		7A
TS15: neural tube	Present		7A

Structure	Level	Pattern	Image	Note
TS15: neural tube	Weak		7B'' , 7B , 7B''' , 7B'
TS15: hindgut diverticulum epithelium	Present		7B , 7B' , 7B'''	Expression in this tissue is the same as in wild-type.
TS15: embryo	Present	Regionally restricted	7B	Most cells in the posterior part of the embryo have lost expression.

Structure	Level	Pattern	Image	Note
TS17: neural tube	Present		8D , 8D'

Structure	Level	Pattern	Image	Note
TS17: surface ectoderm	Present	Regionally restricted	8G' , 8G	Expression is absent in the posterior part of the embryo (shown).