Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4742 |
| Number of amino acids: | 268 |
| Molecular Weight: | 29976.21 Da |
| Theoretical pI: | 6.47 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 6.34% |
| Cysteine CYS (C) | 8 | 2.99% |
| Glutamic Acid GLU (E) | 15 | 5.6% |
| Aspartic Acid ASP (D) | 12 | 4.48% |
| Glycine GLY (G) | 11 | 4.1% |
| Phynylalanine PHE (F) | 15 | 5.6% |
| Isoleucine ILE (I) | 14 | 5.22% |
| Histidine HIS (H) | 12 | 4.48% |
| Lysine LYS (K) | 18 | 6.72% |
| Methionine MET (M) | 5 | 1.87% |
| Leucine LEU (L) | 21 | 7.84% |
| Asparagine ASN (N) | 14 | 5.22% |
| Glutamine GLN (Q) | 8 | 2.99% |
| Proline PRO (P) | 13 | 4.85% |
| Serine SER (S) | 24 | 8.96% |
| Arginine ARG (R) | 6 | 2.24% |
| Threonine THR (T) | 21 | 7.84% |
| Tryptophan TRP (W) | 4 | 1.49% |
| Valine VAL (V) | 23 | 8.58% |
| Tyrosine TYR (Y) | 7 | 2.61% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1345 |
| Hydrogen | H | 2078 |
| Nitrogen | N | 354 |
| Oxygen | O | 397 |
| Sulphur | S | 13 |
| Formula | C1345H2078N354O397S13 |
| Total Number of Atoms: | 4187 |
| Total number of positively charged residues (ARG + LYS): | 24 |
| Total number of negatively charged residues (ASP + GLU): | 27 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32930 Absorption 0.1% (=1 g/l) 1.099, assuming all pairs of CYS residues form cystines Ext. coefficient 32430 Absorption 0.1% (=1 g/l) 1.082, assuming all CYS residues are reduced |
| Aromaticity: | 0.097 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 29.43 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.34, 23.13, 21.64] 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: | 82.1642 |
| Grand average of hydropathicity (GRAVY): | -0.14 |