Antibody:	Anti-CBP (ab32646)
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS11: cardiogenic plate	Absent		2B

Structure	Level	Pattern	Image	Note
TS12: primitive heart tube cardiac muscle	Weak		2D
TS12: primitive heart tube endocardial tube	Weak		2D

Structure	Level	Pattern	Image	Note
TS15: cardiac muscle tissue	Weak		2F
TS15: endocardial tube	Weak		2F

Structure	Level	Pattern	Image	Note
TS17: heart	Weak	Regionally restricted	3B	Expression was weak in most cardiac compartments.
TS17: primitive ventricle	Weak	Regionally restricted	3B	Expression was weak in most cardiac compartments.
TS17: primitive ventricle cardiac muscle	Weak		3B

Structure	Level	Pattern	Image	Note
TS19: cardiac muscle tissue	Strong	Regionally restricted	3D	High expression was detected in atrioventricular myocardium.
TS19: outflow tract	Weak		3D
TS19: heart ventricle	Weak	Regionally restricted	3D	Expression was low in trabeculae.

Structure	Level	Pattern	Image	Note
TS20: heart	Present	Regionally restricted	3F	Expression was detected in cardiac walls.
TS20: heart ventricle	Present		3F	Expression was detected in trabeculae.

Structure	Level	Pattern	Image	Note
TS22: cardiac muscle tissue	Strong	Regionally restricted	3H	High expression was detected in atrioventricular myocardium.
TS22: atrioventricular valve	Weak		3H
TS22: outflow tract	Weak		3H
TS22: trabeculae carneae	Weak		3H

Structure	Level	Pattern	Image	Note
TS26: cardiac muscle tissue	Weak		4B
TS26: trabeculae carneae	Weak		4B

Structure	Level	Pattern	Image	Note
TS27: cardiac muscle tissue	Weak		4D
TS27: trabeculae carneae	Weak		4D

Structure	Level	Pattern	Image	Note
TS28: heart	Weak		4F