>4frw_E mol:protein length:218 Poliovirus receptor-related protein 4 GELETSDVVTVVLGQDAKLPCFYRGDSGEQVGQVAWARVDAGEGAQELALLHSKYGLHV SPAYEGRVEQPPPPRNPLDGSVLLRNAVQADEGEYECRVSTFPAGSFQARLRLRVLVPP LPSLNPGPALEEGQGLTLAASCTAEGSPAPSVTWDTEVKGTTSSRSFKHSRSAAVTSEF HLVPSRSMNGQPLTCVVSHPGLLQDQRITHILHVSHHHHHH