lysine and glutathione The role of the active site residue on FAD reduction by NADPH in reductase Glutathione for Dogs – Maxx
Description
Most total B12 assays capture the vitamin with intrinsic factor rather than an antibody, so these assays are generally not vulnerable to heterophile-antibody interference the way antibody-based assays are

FeigJEParathathSRongJXMickSLVengrenyukYGrauerLet al

All the cloned genes were fused to an N-terminal His 6 -tag following a FLAG-tag and PreScission protease cleavage site
It is worth noting that certain proteins may be more susceptible to carbonylation than others but the molecular basis of this specificity still remained unclear though it may respond to mechanisms of protein tagging in turn over or other cellular signaling mechanisms (Maisonneuve et al

Redox Signal 33 , 10031009 (2020)
Ferriero DM
