Tale of two serines.
Koonin
E V
EV
Gorbalenya
A E
AE
D003062:Codon; D010802:Phylogeny; D012694:Serine / Q000235:genetics*; D014764:Viral Proteins / Q000235:genetics*
D003062:Codon; D014764:Viral Proteins; D012694:Serine