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