Fig. 3From: Nucleotide variation in Sabin type 3 poliovirus from an Albanian infant with agammaglobulinemia and vaccine associated poliomyelitisRibbon diagram of the α-carbon trace of the Sabin type 3. Complete frontal view of the VP1-VP4 capsid proteins. Amino acid substitutions in the capsid proteins VP1 and VP3 found in the isolated poliovirus type 3 are highlightedBack to article page