BIOCHEMISTRY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site phenylalanine Phenylalanine. Picture source: Wikipedia An essential amino acid found in most protein-rich foods. Phenylalinine, one of the twenty common amino acids used by terrestial living things to form proteins, has the chemical formula HO2CCH(NH2)CH2C6H5. The hereditary condition known as phenylketonuria (PKU) stems from an inability to metabolize phenylalanine normally. Related category    • BIOCHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP