Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1219 |
| Number of amino acids: | 247 |
| Molecular Weight: | 26259.77 Da |
| Theoretical pI: | 6.25 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 6.88% |
| Cysteine CYS (C) | 16 | 6.48% |
| Glutamic Acid GLU (E) | 7 | 2.83% |
| Aspartic Acid ASP (D) | 12 | 4.86% |
| Glycine GLY (G) | 27 | 10.93% |
| Phynylalanine PHE (F) | 14 | 5.67% |
| Isoleucine ILE (I) | 13 | 5.26% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 12 | 4.86% |
| Methionine MET (M) | 2 | 0.81% |
| Leucine LEU (L) | 14 | 5.67% |
| Asparagine ASN (N) | 14 | 5.67% |
| Glutamine GLN (Q) | 4 | 1.62% |
| Proline PRO (P) | 17 | 6.88% |
| Serine SER (S) | 23 | 9.31% |
| Arginine ARG (R) | 7 | 2.83% |
| Threonine THR (T) | 19 | 7.69% |
| Tryptophan TRP (W) | 4 | 1.62% |
| Valine VAL (V) | 15 | 6.07% |
| Tyrosine TYR (Y) | 10 | 4.05% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1163 |
| Hydrogen | H | 1774 |
| Nitrogen | N | 302 |
| Oxygen | O | 356 |
| Sulphur | S | 18 |
| Formula | C1163H1774N302O356S18 |
| Total Number of Atoms: | 3613 |
| Total number of positively charged residues (ARG + LYS): | 19 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37900 Absorption 0.1% (=1 g/l) 1.443, assuming all pairs of CYS residues form cystines Ext. coefficient 36900 Absorption 0.1% (=1 g/l) 1.405, assuming all CYS residues are reduced |
| Aromaticity: | 0.113 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.02 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.34, 32.79, 16.19] 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: | 67.1255 |
| Grand average of hydropathicity (GRAVY): | -0.02 |