>1exz_B mol:protein length:141 STEM CELL FACTOR EGICRNRVTNNVKDVTKLVANLPKDYMITLKYVPGMDVLPSHCWISEMVVQLSDSLTDL LDKFSNISEGLSNYSIIDKLVNIVDDLVECVKENSSKDLKKSFKSPEPRLFTPEEFFRI FNRSIDAFKDFVVASETSDCVVS