Physicochemical Properties of Peptide



PPepDB ID:PPepDB_4654
Number of amino acids:59
Molecular Weight:6052.18 Da
Theoretical pI:4.68


Amino Acid Composition:


Amino acidAmino acid countAmino acid percentage
Alanine ALA (A)1728.81%
Cysteine CYS (C)00%
Glutamic Acid GLU (E)23.39%
Aspartic Acid ASP (D)11.69%
Glycine GLY (G)11.69%
Phynylalanine PHE (F)711.86%
Isoleucine ILE (I)11.69%
Histidine HIS (H)00%
Lysine LYS (K)11.69%
Methionine MET (M)46.78%
Leucine LEU (L)58.47%
Asparagine ASN (N)00%
Glutamine GLN (Q)23.39%
Proline PRO (P)46.78%
Serine SER (S)58.47%
Arginine ARG (R)11.69%
Threonine THR (T)23.39%
Tryptophan TRP (W)00%
Valine VAL (V)610.17%
Tyrosine TYR (Y)00%


Atomic Composition:


ElementElement's AbbreviationCount
CarbonC281
HydrogenH435
NitrogenN65
OxygenO75
SulphurS4

FormulaC281H435N65O75S4
Total Number of Atoms:860


Total number of positively charged residues (ARG + LYS):2
Total number of negatively charged residues (ASP + GLU):3
Extinction Coefficient:As there are no Tryptophan, Tyrosine or Cysteine in the region considered, your protein should not be visible by UV spectrophotometry.
Aromaticity:0.119

Aromaticity is the calculated relative frequency of Phe+Trp+Tyr
Instability Index:The computed Instability Index (II) is : 42.72

This indicates that the protein/peptide is unstable
Secondary Structure Fraction [Helix, Turn, Sheet]:[32.20, 16.95, 47.46]

Amino acids in helix: V, I, Y, F, W, L || Amino acids in turn: N, P, G, S || Amino acids in sheet: E, M, A, L
Aliphatic index:97.9662
Grand average of hydropathicity (GRAVY):1.16