# Half lives of protein monomers are determined by the identity of their amino-terminal residues. Slow degradation is assumed for P and U. (Tobias et al., 1986 & Tobias et al., 1991) "aa_code" "aa_id" "half life (units.min)" "A" "L-ALPHA-ALANINE[c]" 600 "R" "ARG[c]" 2 "N" "ASN[c]" 600 "D" "L-ASPARTATE[c]" 600 "C" "CYS[c]" 600 "E" "GLT[c]" 600 "Q" "GLN[c]" 600 "G" "GLY[c]" 600 "H" "HIS[c]" 600 "I" "ILE[c]" 600 "L" "LEU[c]" 2 "K" "LYS[c]" 2 "M" "MET[c]" 600 "F" "PHE[c]" 2 "P" "PRO[c]" 600 "S" "SER[c]" 600 "T" "THR[c]" 600 "W" "TRP[c]" 2 "Y" "TYR[c]" 2 "U" "L-SELENOCYSTEINE[c]" 600 "V" "VAL[c]" 600