>8cxn_F mol:protein length:126 pan-sarbecovirus nanobody 2-57QVQLVESGGGLVQAGGSLRLSCAVSGRTISTFGMGWFRQAPGKEREFVATITRDEDMLLYADSVKGRFTISRDTAKNMVFLQMNSLKIEDTALYYCAVRRDSSWGYSRQSTEYDYWGQGTQVTVSS