Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4015 |
| Number of amino acids: | 437 |
| Molecular Weight: | 48504.35 Da |
| Theoretical pI: | 5.75 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 35 | 8.01% |
| Cysteine CYS (C) | 8 | 1.83% |
| Glutamic Acid GLU (E) | 12 | 2.75% |
| Aspartic Acid ASP (D) | 38 | 8.7% |
| Glycine GLY (G) | 42 | 9.61% |
| Phynylalanine PHE (F) | 18 | 4.12% |
| Isoleucine ILE (I) | 21 | 4.81% |
| Histidine HIS (H) | 17 | 3.89% |
| Lysine LYS (K) | 20 | 4.58% |
| Methionine MET (M) | 9 | 2.06% |
| Leucine LEU (L) | 30 | 6.86% |
| Asparagine ASN (N) | 20 | 4.58% |
| Glutamine GLN (Q) | 15 | 3.43% |
| Proline PRO (P) | 20 | 4.58% |
| Serine SER (S) | 30 | 6.86% |
| Arginine ARG (R) | 18 | 4.12% |
| Threonine THR (T) | 22 | 5.03% |
| Tryptophan TRP (W) | 16 | 3.66% |
| Valine VAL (V) | 30 | 6.86% |
| Tyrosine TYR (Y) | 16 | 3.66% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2171 |
| Hydrogen | H | 3254 |
| Nitrogen | N | 596 |
| Oxygen | O | 641 |
| Sulphur | S | 17 |
| Formula | C2171H3254N596O641S17 |
| Total Number of Atoms: | 6679 |
| Total number of positively charged residues (ARG + LYS): | 38 |
| Total number of negatively charged residues (ASP + GLU): | 50 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient   112340 Absorption 0.1% (=1 g/l) 2.316, assuming all pairs of CYS residues form cystines Ext. coefficient   111840 Absorption 0.1% (=1 g/l) 2.306, assuming all CYS residues are reduced |
| Aromaticity: | 0.114 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.58 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.98, 25.63, 19.68] 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: | 73.4325 |
| Grand average of hydropathicity (GRAVY): | -0.34 |

