Positive test controls include: TE-1. Immunogen sequence: HHHTLDSCRG GHTEVDNCRY TYSEWHSFTQ PRLGEKLHRC NQNEDRMPSQ DYVLTYNYEG RGSPAGSVGC CSEKQEEDGL DFLNNLEPKF ITLAEACTKR. Desmosomes are cell-cell junctions between epithelial, myocardial, and certain other