KITLG GI:4505175 KIT ligand isoform b precursor 1 mkktqtwilt ciylqlllfn plvktegicr nrvtnnvkdv tklvanlpkd 50 51 ymitlkyvpg mdvlpshcwi semvvqlsds ltdlldkfsn iseglsnysi 100 101 idklvnivdd lvecvkenss kdlkksfksp eprlftpeef frifnrsida 150 151 fkdfvvaset sdcvvsstls pekdsrvsvt kpfmlppvaa sslrndssss 200 201 nrkaknppgd sslhwaamal palfsliigf afgalywkkr qpsltraven 250 251 iqineednei smlqekeref qev