Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4575 |
| Number of amino acids: | 204 |
| Molecular Weight: | 22480.18 Da |
| Theoretical pI: | 9.81 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 6.86% |
| Cysteine CYS (C) | 7 | 3.43% |
| Glutamic Acid GLU (E) | 4 | 1.96% |
| Aspartic Acid ASP (D) | 4 | 1.96% |
| Glycine GLY (G) | 15 | 7.35% |
| Phynylalanine PHE (F) | 9 | 4.41% |
| Isoleucine ILE (I) | 10 | 4.9% |
| Histidine HIS (H) | 1 | 0.49% |
| Lysine LYS (K) | 15 | 7.35% |
| Methionine MET (M) | 8 | 3.92% |
| Leucine LEU (L) | 14 | 6.86% |
| Asparagine ASN (N) | 12 | 5.88% |
| Glutamine GLN (Q) | 9 | 4.41% |
| Proline PRO (P) | 11 | 5.39% |
| Serine SER (S) | 17 | 8.33% |
| Arginine ARG (R) | 8 | 3.92% |
| Threonine THR (T) | 20 | 9.8% |
| Tryptophan TRP (W) | 6 | 2.94% |
| Valine VAL (V) | 15 | 7.35% |
| Tyrosine TYR (Y) | 5 | 2.45% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1003 |
| Hydrogen | H | 1586 |
| Nitrogen | N | 272 |
| Oxygen | O | 284 |
| Sulphur | S | 15 |
| Formula | C1003H1586N272O284S15 |
| Total Number of Atoms: | 3160 |
| Total number of positively charged residues (ARG + LYS): | 23 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 40825 Absorption 0.1% (=1 g/l) 1.816, assuming all pairs of CYS residues form cystines Ext. coefficient 40450 Absorption 0.1% (=1 g/l) 1.799, assuming all CYS residues are reduced |
| Aromaticity: | 0.098 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 37.05 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.92, 26.96, 19.61] 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: | 74.0686 |
| Grand average of hydropathicity (GRAVY): | -0.09 |