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. 2016 Sep 1;161(12):3355–3363. doi: 10.1007/s00705-016-3030-5

Table 4.

Analysis of partial sequences of amino acids of the S1 gene from hen and embryo samples. The amino acid sequence is based on the reference Ma5 strain (KU736747). The amino acid inserts in the S1 sequence of the IBV variants in the cecal tonsils (KU736762) are highlighted in bold

Strain Codons 120-121 Codons 140-150
Ma5a --- NGQ-----LFY
KU736754b --- NGQ-----LFY
KU736756c --- NGQ-----LFY
KU736760d --- NGQ-----LFY
KU736758e --- NGQ-----LFY
KU736762f KV QGNTGPSGLFY

aMA5 vaccine (KU736747)

bIntestine

cKidney

dOviduct

eChorioallantoic fluid of embryonated eggs after 18 days of incubation

fCecal tonsils