cysteine converted to glutathione peroxidase Cysteine, Glutathione, and Thiol Redox Balance in Astrocytes The Protective Role of Glutathione
Description
Neither is inherently "wrong" it depends on your goals and budget

A well-behaved electrostatic potential based method using charge restraints for deriving atomic charges: The RESP model

Bracken MB

Cheah IK, Ong RL, Gruber J et al (2013) Knockout of a putative Ergothioneine transporter in Caenorhabditis elegans decreases lifespan and increases susceptibility to oxidative damage
