in contrast , the two other sequences surrounding phosphorylated amino acids , -tyr-gly-ser ( p ) 70-leu-pro-glu-lys- and -ile-val-thr ( p ) 95-pro-arg- , have a basic amino acid at the position 2 or 4 residues carboxyl-terminal to the phosphoamino acid residue .
C0002520
amino acids
C0017890
gly