Positive Samples: HeLa, Jurkat, A-431, Mouse heart, Mouse skeletal muscle, Mouse skin, Rat lung; Cellular Location: extracellular space Immunogen sequence: EFSHYDLLDA NTQRRVAEGH KASFCLEDTS CDYGYHRRFA CTAHTQGLSP GCYDTYGADI DCQWIDITDV KPGNYILKVS VNPSYLVPES