Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5395 |
| Number of amino acids: | 168 |
| Molecular Weight: | 18499.51 Da |
| Theoretical pI: | 5.26 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 8.93% |
| Cysteine CYS (C) | 6 | 3.57% |
| Glutamic Acid GLU (E) | 4 | 2.38% |
| Aspartic Acid ASP (D) | 10 | 5.95% |
| Glycine GLY (G) | 14 | 8.33% |
| Phynylalanine PHE (F) | 7 | 4.17% |
| Isoleucine ILE (I) | 3 | 1.79% |
| Histidine HIS (H) | 7 | 4.17% |
| Lysine LYS (K) | 3 | 1.79% |
| Methionine MET (M) | 4 | 2.38% |
| Leucine LEU (L) | 11 | 6.55% |
| Asparagine ASN (N) | 12 | 7.14% |
| Glutamine GLN (Q) | 13 | 7.74% |
| Proline PRO (P) | 5 | 2.98% |
| Serine SER (S) | 14 | 8.33% |
| Arginine ARG (R) | 4 | 2.38% |
| Threonine THR (T) | 6 | 3.57% |
| Tryptophan TRP (W) | 3 | 1.79% |
| Valine VAL (V) | 17 | 10.12% |
| Tyrosine TYR (Y) | 10 | 5.95% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 814 |
| Hydrogen | H | 1209 |
| Nitrogen | N | 225 |
| Oxygen | O | 252 |
| Sulphur | S | 10 |
| Formula | C814H1209N225O252S10 |
| Total Number of Atoms: | 2510 |
| Total number of positively charged residues (ARG + LYS): | 7 |
| Total number of negatively charged residues (ASP + GLU): | 14 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 31775 Absorption 0.1% (=1 g/l) 1.718, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.697, assuming all CYS residues are reduced |
| Aromaticity: | 0.119 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.31 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.36, 26.79, 20.24] 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: | 70.7737 |
| Grand average of hydropathicity (GRAVY): | -0.22 |