Chain A sequence: MGSSHHHHHHSQDPEISDGPHTKVVRRIFTNSRERWRQQNVNGAFAELRKLIPTHPPDKKLSKNEILRLAMKYINFLAKL LNDQEEEGTQR
Chain B sequence: MADLSLEEKDLRDRERRMANNARERVRVRDINEAFRELGRMCQMHLKSDKAQTKLLILQQAVQVILGLEQQVRERNLNPK AA
Chain C sequence: MGSSHHHHHHSQDPSLLTCGGCQQNIGDRYFLKAIDQYWHEDCLSCDLCGCRLGEVGRRLYYKLGRKLCRRDYLRLFGQD GLCASCDKRIRAYEMTMRVKDKVYHLECFKCAACQKHFCVGDRYLLINSDIVCEQDIYEWTKING
Chain D sequence: GGSGGHMGSGGDVMVVGEPTLMGGEFGDEDERLITRLENTQFDAANGIDDE