Figure 2 of
Duan, Mol Vis 2010; 16:2839-2846.
Figure 2.
MS/MS spectrum of prostaglandin H2 D isomerase(PGDS). The protein peptide AQGFTEDTIVFLPQTDK ([M+H]2+=1911.10) was identified using this spectrum, which showed many characteristic y and b series ions.