Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4976 |
| Number of amino acids: | 155 |
| Molecular Weight: | 16301.92 Da |
| Theoretical pI: | 8.12 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 12.9% |
| Cysteine CYS (C) | 10 | 6.45% |
| Glutamic Acid GLU (E) | 8 | 5.16% |
| Aspartic Acid ASP (D) | 4 | 2.58% |
| Glycine GLY (G) | 13 | 8.39% |
| Phynylalanine PHE (F) | 1 | 0.65% |
| Isoleucine ILE (I) | 8 | 5.16% |
| Histidine HIS (H) | 2 | 1.29% |
| Lysine LYS (K) | 2 | 1.29% |
| Methionine MET (M) | 3 | 1.94% |
| Leucine LEU (L) | 17 | 10.97% |
| Asparagine ASN (N) | 2 | 1.29% |
| Glutamine GLN (Q) | 2 | 1.29% |
| Proline PRO (P) | 15 | 9.68% |
| Serine SER (S) | 15 | 9.68% |
| Arginine ARG (R) | 12 | 7.74% |
| Threonine THR (T) | 8 | 5.16% |
| Tryptophan TRP (W) | 4 | 2.58% |
| Valine VAL (V) | 7 | 4.52% |
| Tyrosine TYR (Y) | 2 | 1.29% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 709 |
| Hydrogen | H | 1145 |
| Nitrogen | N | 205 |
| Oxygen | O | 209 |
| Sulphur | S | 13 |
| Formula | C709H1145N205O209S13 |
| Total Number of Atoms: | 2281 |
| Total number of positively charged residues (ARG + LYS): | 14 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 25605 Absorption 0.1% (=1 g/l) 1.571, assuming all pairs of CYS residues form cystines Ext. coefficient 24980 Absorption 0.1% (=1 g/l) 1.532, assuming all CYS residues are reduced |
| Aromaticity: | 0.045 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 60.97 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.16, 29.03, 30.97] 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: | 88.903 |
| Grand average of hydropathicity (GRAVY): | 0.14 |