Surfeit locus protein 4 MGQNDLMGTA EDFADQFLRV TKQYLPHVAR LCLISTFLED GIRMWFQWSE QRDYIDTTWN CGYLLASSFV FLNLLGQLTG CVLVLSRNFV QYACFGLFGI IALQTIAYSI LWDLKFLMRN LALGGGLLLL LAESRSEGKS MFAGVPTMRE SSPKQYMQLG GRVLLVLMFM TLLHFDASFF SQPSQQ