Fig. 5
From: The molecular determinants of antigenic drift in a novel avian influenza A (H9N2) variant virus
Three-dimensional (3D) antigenic maps of AH/17 and FJ/20 chimeras and mutants. A The antigenic map of AH/17, AH/17_127D/135G, AH/17_179D/182R/183T and AH/20_Chim_III. B The antigenic map of FJ/20 and its mutants FJ/20_127S/135D, FJ/20_145T/146Q, FJ/20_179T/182T/183N. C The antigenic map of AH/17 and its mutants AH/17_127D/135G/145N/146R, AH/17_127D/135G/179D/182R/183T, AH/17_145N/146R/179D/182R/183T. D The antigenic map of FJ/20 and FJ/20_145T/146Q/179T/182T/183N