Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_981 |
| Number of amino acids: | 251 |
| Molecular Weight: | 27175.94 Da |
| Theoretical pI: | 7.56 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 7.57% |
| Cysteine CYS (C) | 16 | 6.37% |
| Glutamic Acid GLU (E) | 10 | 3.98% |
| Aspartic Acid ASP (D) | 6 | 2.39% |
| Glycine GLY (G) | 21 | 8.37% |
| Phynylalanine PHE (F) | 14 | 5.58% |
| Isoleucine ILE (I) | 7 | 2.79% |
| Histidine HIS (H) | 16 | 6.37% |
| Lysine LYS (K) | 10 | 3.98% |
| Methionine MET (M) | 2 | 0.8% |
| Leucine LEU (L) | 22 | 8.76% |
| Asparagine ASN (N) | 8 | 3.19% |
| Glutamine GLN (Q) | 6 | 2.39% |
| Proline PRO (P) | 19 | 7.57% |
| Serine SER (S) | 23 | 9.16% |
| Arginine ARG (R) | 7 | 2.79% |
| Threonine THR (T) | 20 | 7.97% |
| Tryptophan TRP (W) | 3 | 1.2% |
| Valine VAL (V) | 14 | 5.58% |
| Tyrosine TYR (Y) | 8 | 3.19% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1210 |
| Hydrogen | H | 1831 |
| Nitrogen | N | 331 |
| Oxygen | O | 349 |
| Sulphur | S | 18 |
| Formula | C1210H1831N331O349S18 |
| Total Number of Atoms: | 3739 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 29420 Absorption 0.1% (=1 g/l) 1.083, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 1.046, assuming all CYS residues are reduced |
| Aromaticity: | 0.100 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 51.88 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.09, 28.29, 21.12] 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: | 68.8048 |
| Grand average of hydropathicity (GRAVY): | -0.08 |