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. 2016 Jan 16;230:18–23. doi: 10.1016/j.jviromet.2016.01.004

Table 3.

ORF2 and ORF3 polymorphic positions in reference sequences (PP%) and mutations in IC sequence.

ORF2 protein
ORF3 protein
S domain (N-terminal)
(AA 1–113)
S domain (C-terminal)
(AA 114–317)
M domain
(AA 318–451)
P domain
(AA 452–660)
D1 domain D2 domain P1 domain P2 domain
Summarized function Capsid (Xing et al., 2010) Connecting S and P domains (Xing et al., 2010) Neutralizing antibodies binding and cellular receptor (Holla et al., 2013) Cell survival signal (Zafrullah et al., 1997) Innate immune response Ratra, (Kar-Roy et al., 2008) ORF2 interaction (ser71) (Ahmad et al., 2011) Virus release (Ahmad et al., 2011)
Length (AA) 113 203 133 208 122
(PP%) 22 1 0.70 6 0 16 35 25
IC sequence mutations F10L, S26T, G36S, S70P, A105V, I113V No mutations T426A No mutations No mutations A36V No mutations P110S (included in PXXP motif)