SPI1 GI:124028521 hematopoietic transcription factor PU.1 isoform 1 1 mlqackmegf plvppqpsed lvpydtdlyq rqtheyypyl ssdgeshsdh 50 51 ywdfhphhvh sefesfaenn ftelqsvqpp qlqqlyrhme leqmhvldtp 100 101 mvpphpslgh qvsylprmcl qypslspaqp ssdeeegerq spplevsdge 150 151 adglepgpgl lpgetgskkk irlyqflldl lrsgdmkdsi wwvdkdkgtf 200 201 qfsskhkeal ahrwgiqkgn rkkmtyqkma ralrnygktg evkkvkkklt 250 251 yqfsgevlgr gglaerrhpp h