Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4017 |
| Number of amino acids: | 376 |
| Molecular Weight: | 41338.67 Da |
| Theoretical pI: | 5.15 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 36 | 9.57% |
| Cysteine CYS (C) | 5 | 1.33% |
| Glutamic Acid GLU (E) | 41 | 10.9% |
| Aspartic Acid ASP (D) | 16 | 4.26% |
| Glycine GLY (G) | 27 | 7.18% |
| Phynylalanine PHE (F) | 17 | 4.52% |
| Isoleucine ILE (I) | 22 | 5.85% |
| Histidine HIS (H) | 8 | 2.13% |
| Lysine LYS (K) | 23 | 6.12% |
| Methionine MET (M) | 11 | 2.93% |
| Leucine LEU (L) | 47 | 12.5% |
| Asparagine ASN (N) | 10 | 2.66% |
| Glutamine GLN (Q) | 8 | 2.13% |
| Proline PRO (P) | 13 | 3.46% |
| Serine SER (S) | 25 | 6.65% |
| Arginine ARG (R) | 19 | 5.05% |
| Threonine THR (T) | 17 | 4.52% |
| Tryptophan TRP (W) | 1 | 0.27% |
| Valine VAL (V) | 25 | 6.65% |
| Tyrosine TYR (Y) | 5 | 1.33% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1837 |
| Hydrogen | H | 2965 |
| Nitrogen | N | 491 |
| Oxygen | O | 556 |
| Sulphur | S | 16 |
| Formula | C1837H2965N491O556S16 |
| Total Number of Atoms: | 5865 |
| Total number of positively charged residues (ARG + LYS): | 42 |
| Total number of negatively charged residues (ASP + GLU): | 57 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 13200 Absorption 0.1% (=1 g/l) 0.319, assuming all pairs of CYS residues form cystines Ext. coefficient 12950 Absorption 0.1% (=1 g/l) 0.313, assuming all CYS residues are reduced |
| Aromaticity: | 0.061 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 46.61 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.12, 19.95, 35.90] 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: | 100.426 |
| Grand average of hydropathicity (GRAVY): | -0.01 |