Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4020 |
| Number of amino acids: | 307 |
| Molecular Weight: | 30529.76 Da |
| Theoretical pI: | 9.03 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 91 | 29.64% |
| Cysteine CYS (C) | 0 | 0% |
| Glutamic Acid GLU (E) | 14 | 4.56% |
| Aspartic Acid ASP (D) | 10 | 3.26% |
| Glycine GLY (G) | 20 | 6.51% |
| Phynylalanine PHE (F) | 11 | 3.58% |
| Isoleucine ILE (I) | 8 | 2.61% |
| Histidine HIS (H) | 1 | 0.33% |
| Lysine LYS (K) | 28 | 9.12% |
| Methionine MET (M) | 3 | 0.98% |
| Leucine LEU (L) | 14 | 4.56% |
| Asparagine ASN (N) | 6 | 1.95% |
| Glutamine GLN (Q) | 7 | 2.28% |
| Proline PRO (P) | 16 | 5.21% |
| Serine SER (S) | 13 | 4.23% |
| Arginine ARG (R) | 1 | 0.33% |
| Threonine THR (T) | 26 | 8.47% |
| Tryptophan TRP (W) | 0 | 0% |
| Valine VAL (V) | 24 | 7.82% |
| Tyrosine TYR (Y) | 14 | 4.56% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1377 |
| Hydrogen | H | 2181 |
| Nitrogen | N | 353 |
| Oxygen | O | 422 |
| Sulphur | S | 3 |
| Formula | C1377H2181N353O422S3 |
| Total Number of Atoms: | 4336 |
| Total number of positively charged residues (ARG + LYS): | 29 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | This protein does not contain any Tryptophan residues. Experience shows that this could result in more than 10% error in the computed extinction coefficient. Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 20860 Absorption 0.1% (=1 g/l) 0.683 |
| Aromaticity: | 0.081 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 30.90 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.13, 17.92, 39.74] 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: | 80.2606 |
| Grand average of hydropathicity (GRAVY): | 0.21 |