Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4954 |
| Number of amino acids: | 380 |
| Molecular Weight: | 42157.97 Da |
| Theoretical pI: | 4.91 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 6.05% |
| Cysteine CYS (C) | 7 | 1.84% |
| Glutamic Acid GLU (E) | 23 | 6.05% |
| Aspartic Acid ASP (D) | 20 | 5.26% |
| Glycine GLY (G) | 38 | 10% |
| Phynylalanine PHE (F) | 17 | 4.47% |
| Isoleucine ILE (I) | 23 | 6.05% |
| Histidine HIS (H) | 4 | 1.05% |
| Lysine LYS (K) | 17 | 4.47% |
| Methionine MET (M) | 6 | 1.58% |
| Leucine LEU (L) | 24 | 6.32% |
| Asparagine ASN (N) | 27 | 7.11% |
| Glutamine GLN (Q) | 13 | 3.42% |
| Proline PRO (P) | 14 | 3.68% |
| Serine SER (S) | 29 | 7.63% |
| Arginine ARG (R) | 14 | 3.68% |
| Threonine THR (T) | 28 | 7.37% |
| Tryptophan TRP (W) | 8 | 2.11% |
| Valine VAL (V) | 23 | 6.05% |
| Tyrosine TYR (Y) | 22 | 5.79% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1879 |
| Hydrogen | H | 2841 |
| Nitrogen | N | 495 |
| Oxygen | O | 586 |
| Sulphur | S | 13 |
| Formula | C1879H2841N495O586S13 |
| Total Number of Atoms: | 5814 |
| Total number of positively charged residues (ARG + LYS): | 31 |
| Total number of negatively charged residues (ASP + GLU): | 43 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 77155 Absorption 0.1% (=1 g/l) 1.830, assuming all pairs of CYS residues form cystines Ext. coefficient 76780 Absorption 0.1% (=1 g/l) 1.821, assuming all CYS residues are reduced |
| Aromaticity: | 0.124 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 25.59 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.79, 28.42, 20.00] 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: | 71.8421 |
| Grand average of hydropathicity (GRAVY): | -0.37 |