proteinele se regasesc in….
protoplasma si nucleul tuturor celulelor animale si vegetale
se numesc peptide..
compusi naturali sau sintetici ce contin in molecula resturi de a-aminoacizi
H-CH-COOH
NH2
GLICINA(gly)
CH3-CH-COOH
NH2
ALANINA(ALA)
VALINA(VAL)ESENTIAL
CH3-CH-CH-COOH
CH3 NH2
CISTEINA(CYS)
HS-CH2-CH-COOH
NH2
HO-CH2-CH-COOH
NH2
SERINA(SER)
HOOC-CH2-CH-COOH
NH2
ACID ASPARAGIC(ASP)
ACID GLUTAMIC(GLU)
HOOC-CH2-CH2-CH-COOH
NH2
LIZINA(LYS)
H2N-(CH2)4-CH-COOH
NH2
FENILALANINA
C6H5-CH2-CH-COOH
NH2