>sp|Q9NZ42|PEN2_HUMAN Gamma-secretase subunit PEN-2 OS=Homo sapiens GN=PSENEN MNLERVSNEEKLNLCRKYYLGGFAFLPFLWLVNIFWFFREAFLVPAYTEQSQIKGYVWRS AVGFLFWVIVLTSWITIFQIYRPRWGALGDYLSFTIPLGTP