the shortest incubation time during which the cystine-enhanced mehg toxicity became irreversible was 2 h , and the addition of any of the neutral bme amino acids ( except threonine ) or non-bme neutral amino acids ( alanine , glycine , or serine ) during the 2 h incubation eliminated or reduced the cystine-enhanced mehg toxicity .
C0301715
neutral amino acids
C0036720
serine