>sp|P63119|VPK21_HUMAN Endogenous retrovirus group K member 21 Pro protein OS=Homo sapiens GN=ERVK-21 WASQVSENRPVCKAIIQGKQFEGLVDTGADVSIIALNQWPKNWPKQKAVTGLVGIGTASE VYQSTEILHCLGPDNQESTVQPMITSIPLNLWGRDLLQQWGAEITMPTPLYSPTSQKIMT KMGYIPGKGLGKNEDGIKVPVEAKINQKREGIGYPF