Table 1.
Radical | Relative energy (kcal mol−1) |
---|---|
Transient 6 | Reference |
Aziridincarbinyl 10 | +17.5 |
Quinonoid 7 | −10.3 |
Tautomerization 8 | −6.3 |
DFT-computations are of the structures with the methyl and methylene phosphate groups of PLP replaced with hydrogen and the 4-thialysine moiety approximated by 2-(methylthio)ethylamine, in the gas phase at 298 K and 1 atm.