Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4591 |
| Number of amino acids: | 380 |
| Molecular Weight: | 42172.19 Da |
| Theoretical pI: | 6.36 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 34 | 8.95% |
| Cysteine CYS (C) | 8 | 2.11% |
| Glutamic Acid GLU (E) | 22 | 5.79% |
| Aspartic Acid ASP (D) | 18 | 4.74% |
| Glycine GLY (G) | 30 | 7.89% |
| Phynylalanine PHE (F) | 12 | 3.16% |
| Isoleucine ILE (I) | 15 | 3.95% |
| Histidine HIS (H) | 23 | 6.05% |
| Lysine LYS (K) | 15 | 3.95% |
| Methionine MET (M) | 7 | 1.84% |
| Leucine LEU (L) | 31 | 8.16% |
| Asparagine ASN (N) | 21 | 5.53% |
| Glutamine GLN (Q) | 16 | 4.21% |
| Proline PRO (P) | 20 | 5.26% |
| Serine SER (S) | 20 | 5.26% |
| Arginine ARG (R) | 18 | 4.74% |
| Threonine THR (T) | 32 | 8.42% |
| Tryptophan TRP (W) | 7 | 1.84% |
| Valine VAL (V) | 19 | 5% |
| Tyrosine TYR (Y) | 12 | 3.16% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1855 |
| Hydrogen | H | 2847 |
| Nitrogen | N | 539 |
| Oxygen | O | 562 |
| Sulphur | S | 15 |
| Formula | C1855H2847N539O562S15 |
| Total Number of Atoms: | 5818 |
| Total number of positively charged residues (ARG + LYS): | 33 |
| Total number of negatively charged residues (ASP + GLU): | 40 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient   56880 Absorption 0.1% (=1 g/l) 1.349, assuming all pairs of CYS residues form cystines Ext. coefficient   56380 Absorption 0.1% (=1 g/l) 1.337, assuming all CYS residues are reduced |
| Aromaticity: | 0.082 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 30.45 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.26, 23.95, 24.74] 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: | 70.6579 |
| Grand average of hydropathicity (GRAVY): | -0.51 |

