glutathione peroxidase 1 is found where peroxidases as oncotargets GPX1 (Glutathione Peroxidase, GSHPx) Gene
Description
Figure 6 Genes that regulate Alzheimers disease ABCA7, PICALM, CLU, TREM2, APOE, SORL1, GSK3B, and PRNP crossed with the genes HSP27 or HSPB1 and HSP70 or HSPA4 that regulate oxidative stress

Therefore the pH-dependent curve is cut off at +1.0

It will not elute in the commonly used elution buffers for IMAC

A tripeptide, glutathione is also a component of many medicinal products

J BioMed Sci (2017) 24:86

E.ChoiA
