Table 4 Codon variants which allow PCV3 subtyping (in brackets the proportion of sequences with fitting marker position)

ORF1–122

GCG, alanine (16/16)

TCG, serine (20/21)

TCG, serine (13/13)

ORF2–24

GTC, valine (15/16)

GCC, alanine (20/21)

GCC, alanine (13/13)

ORF2–27

AAA, lysine (16/16)

AGA/CGA, arginine (21/21)

AGA/CGA, arginine (13/13)

ORF2–77

AGC, serine (15/16)

AGC, serine (21/21)

ACC, threonine (13/13)

ORF2–150

ATT, isoleucine (16/16)

ATT, isoleucine (20/21)

CTT/CTA, leucine (12/13)

ORF3₂₃₁–1

TTT, phenylalanine (16/16)

TCT/TCG, serine (21/21)

TCT/TCG, serine (13/13)

ORF3₂₃₁–4

GAC, aspartic acid (15/16)

GGC, glycine (20/21)

GGC, glycine (13/13)

ORF3₂₃₁–227

GGC, glycine (16/16)

GTC, valine (19/21)

GTC, valine (13/13)