Antibody:	anti-mOb1
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Level	Pattern	Image	Note
TS11: embryo	Absent

Structure	Level	Pattern	Image	Note
TS15: cardiac muscle tissue	Present	Regionally restricted	2B	Expression is in the outer curvature, absent in the inner curvature.
TS15: endocardial cushion	Absent		2B
TS15: endocardial lining	Absent		2B
TS15: arterial system	Absent		2B	Absent in coronary arteries and great vessels.
TS15: venous system	Absent		2B	Absent in coronary arteries and great vessels.

Structure	Level	Pattern	Image	Note
TS19: cardiac muscle tissue	Present		2D
TS19: endocardial cushion	Absent		2D
TS19: endocardial lining	Absent		2D

Structure	Level	Pattern	Image	Note
TS19: cardiac muscle tissue	Present		2E
TS19: endocardial lining	Absent		2E

Structure	Level	Pattern	Image	Note
TS19: cardiac muscle tissue	Present		2F
TS19: embryo	Present	Regionally restricted	2F	The authors state that expression is absent outside the heart.
TS19: endocardial lining	Absent		2F

Structure	Level	Pattern	Image	Note
TS21: Meckel's cartilage	Present		2G
TS21: atrium cardiac muscle	Present		2G
TS21: esophagus epithelium	Present		2G
TS21: lung epithelium	Present		2G
TS21: meninges	Present		2G
TS21: nasal cavity epithelium	Present		2G
TS21: oral epithelium	Present		2G
TS21: ventricle cardiac muscle	Present	Regionally restricted	2G	There is a small area of outer ventricular (inner curvature) where expression is absent.
TS21: cartilage	Present	Regionally restricted	2G	Expression is in chondrocytes of newly formed cartilage of the skull.
TS21: endocardial cushion	Absent		2G
TS21: endocardial tissue	Absent		2G

Structure	Level	Pattern	Image	Note
TS21: cardiac muscle tissue	Present		2H
TS21: endocardial tissue	Absent		2H

Structure	Level	Pattern	Image	Note
TS21: Meckel's cartilage	Present		2J
TS21: oral epithelium	Present		2J

Structure	Level	Pattern	Image	Note
TS21: cartilage	Present	Regionally restricted	2K	Expression is in chondrocytes of newly formed cartilage.

Structure	Level	Pattern	Image	Note
TS21: hindbrain	Present		2L
TS21: meninges	Present		2L

Structure	Level	Pattern	Image	Note
TS21: hindbrain	Present		2M

Structure	Level	Pattern	Image	Note
TS23: lung epithelium	Present	Regionally restricted	2O	Expression is in the newly formed airways.
TS23: cardiac muscle tissue	Weak		2O

Structure	Level	Pattern	Image	Note
TS23: lung epithelium	Present	Regionally restricted	2P	Expression is in the newly formed airways.

Structure	Level	Pattern	Image	Note
TS23: cardiac muscle tissue	Weak		2Q

Structure	Level	Pattern	Image	Note
TS23: skeletal muscle	Present		2Rb
TS23: skin	Present		2Rb

Structure	Level	Pattern	Image	Note
TS23: skeletal muscle	Present		2S

Structure	Level	Pattern	Image	Note
TS23: meninges	Present		2T

Structure	Level	Pattern	Image	Note
TS23: vibrissa	Present		2Ub

Structure	Level	Pattern	Image	Note
TS27: cardiac muscle tissue	Weak

Structure	Level	Pattern	Image	Note
TS28: cardiac muscle tissue	Absent