Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4750 |
| Number of amino acids: | 320 |
| Molecular Weight: | 34507.64 Da |
| Theoretical pI: | 7.88 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 6.88% |
| Cysteine CYS (C) | 16 | 5% |
| Glutamic Acid GLU (E) | 7 | 2.19% |
| Aspartic Acid ASP (D) | 19 | 5.94% |
| Glycine GLY (G) | 40 | 12.5% |
| Phynylalanine PHE (F) | 17 | 5.31% |
| Isoleucine ILE (I) | 13 | 4.06% |
| Histidine HIS (H) | 5 | 1.56% |
| Lysine LYS (K) | 16 | 5% |
| Methionine MET (M) | 3 | 0.94% |
| Leucine LEU (L) | 18 | 5.63% |
| Asparagine ASN (N) | 17 | 5.31% |
| Glutamine GLN (Q) | 14 | 4.38% |
| Proline PRO (P) | 22 | 6.88% |
| Serine SER (S) | 23 | 7.19% |
| Arginine ARG (R) | 12 | 3.75% |
| Threonine THR (T) | 23 | 7.19% |
| Tryptophan TRP (W) | 6 | 1.88% |
| Valine VAL (V) | 13 | 4.06% |
| Tyrosine TYR (Y) | 14 | 4.38% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1523 |
| Hydrogen | H | 2295 |
| Nitrogen | N | 419 |
| Oxygen | O | 464 |
| Sulphur | S | 19 |
| Formula | C1523H2295N419O464S19 |
| Total Number of Atoms: | 4720 |
| Total number of positively charged residues (ARG + LYS): | 28 |
| Total number of negatively charged residues (ASP + GLU): | 26 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 54860 Absorption 0.1% (=1 g/l) 1.590, assuming all pairs of CYS residues form cystines Ext. coefficient 53860 Absorption 0.1% (=1 g/l) 1.561, assuming all CYS residues are reduced |
| Aromaticity: | 0.116 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.02 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.31, 31.88, 15.62] 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: | 56.4375 |
| Grand average of hydropathicity (GRAVY): | -0.40 |