(sace2-rbd, 595+223 amino acids)
Mutations: None.
Mutations: T27Y, L79T, N330Y, A386L.
Mutations: K31Y, F40D, T92P, R393K, R518G.
Mutations: Q24T, N33D, W69V, Q76T, Q89P.
Mutations: L29F, Y41R, F72Y, L91P, T324P.
Mutations: A25V, L39R, N90Q, L351F, P389D.
Mutations: K26D, H34P, Q42L, E75K, Q325P.
(rg-rbd, 62+223 amino acids)
Mutations: None.
Mutations: K31Y, F40D
Mutations: Q24T, N33D, W69V
Mutations: L29F, Y41R, F72Y
Mutations: A25V, L39R, Q76T
Mutations: K26D, Q42L, E75K
Mutations: T27Y, H34P, L79T