Assertion: tryptophan | /r/HasProperty | zwitterion
Facets:
value: like other amino acids
type: OTHER
value: at physiological ph
type: LOCATION
Source sentences:
text: Like other amino acids, tryptophan is a zwitterion at physiological pH where the amino group is protonated (–NH 3 +; pK a = 9.39) and the carboxylic acid is deprotonated ( –COO−; pK a = 2.38).
text: Like other amino acids, tryptophan is a zwitterion at physiological pH where the amino group is protonated (–NH 3 +; pK a = 9.39) and the carboxylic acid is deprotonated ( –COO−; pK a = 2.38).