STE20 related adaptor beta MTQTSPFYNG RGFDNLTSVH LARHTPTGTL VTIKITNLEN CNEERLKALQ KAVILSHFFR HPNITTYWTV FTVGSWLWVI SPFMAYGSAS QLLRTYFPEG MSETLIRNIL FGAVRGLNYL HQNGCIHRSI KASHILISGD GLVTLSGLSH LHSLVKHGQR HRAVYDFPQF STSVQPWLSP ELLRQDLHGY NVKS