Dictionary
his•ti•dine
Pronunciation: (his'ti-dēn", -din), [key]—
n. Biochem.
an essential amino acid, C
3H
3N
2CH
2CH(NH
2)COOH, that is a constituent of proteins and is important as the iron-binding site in hemoglobin.
Also,his•ti•dinPronunciation: (his'ti-din). [key]Abbr.: His;
Symbol: H
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.