cysteine-glutathione disulfide oxidative stress Structure of cysteine‐containing metabolites. The or free Overview of cysteine post-translational modifications

The first-pass effect must be taken into account when designing dosing regimens because, if hepatic metabolism is extensive, the amount of drug that reaches the target tissue is much less than the amount (dose) that is administered orally (see Chapter 3, Pharmacokinetics)

This may partly explain the dramatic increase in Syn-S129p levels from ~4% under physiological conditions to ~90% in pathological conditions 5,31,32,87,88

[Preprint]

This molecule could then undergo an intramolecular rearrangement catalyzed by BsnN to form the CAs bond

"Vitamin B12: prevention of human beings from lethal diseases and its food application"