proteinogenic amino acid 1

noundomain: substance

EnWordnet [ver.5.0]

English

Definition

any of a group of amino acids that are precursors to proteins, and are incorporated into proteins during translation.

Examples

1.There are 23 proteinogenic amino acids in prokaryotes (including N-Formylmethionine, mainly used to initiate protein synthesis and often removed afterward), but only 21 are encoded by the nuclear genes of eukaryotes.

Hyponym

arginine 1

noun

a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa

leucine 1

noun

a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins

lysine 1

noun

an essential amino acid found in proteins; occurs especially in gelatin and casein

phenylalanine 1

noun

an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body

threonine 1

noun

a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition