Islet-1 homeobox

Engrailed/invected gene products

ATPase, (Na (+) K(+)) alpha subunit

Tropomyosin, alpha-1 chain (striated muscle)

actin

Myosin heavy chain, sarcomere (MHC)

Pax7

SUMO1, aa 57-67

SUMO2 (SUMO-2/3)

Synaptic vesicle proteoglycan/Notochord marker

neuronal cell surface marker (HNK-1 carbohydrate epitope)