Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1275 |
| Number of amino acids: | 71 |
| Molecular Weight: | 7751.95 Da |
| Theoretical pI: | 6.08 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 1 | 1.41% |
| Cysteine CYS (C) | 10 | 14.08% |
| Glutamic Acid GLU (E) | 3 | 4.23% |
| Aspartic Acid ASP (D) | 5 | 7.04% |
| Glycine GLY (G) | 7 | 9.86% |
| Phynylalanine PHE (F) | 1 | 1.41% |
| Isoleucine ILE (I) | 3 | 4.23% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 5 | 7.04% |
| Methionine MET (M) | 3 | 4.23% |
| Leucine LEU (L) | 5 | 7.04% |
| Asparagine ASN (N) | 2 | 2.82% |
| Glutamine GLN (Q) | 1 | 1.41% |
| Proline PRO (P) | 6 | 8.45% |
| Serine SER (S) | 8 | 11.27% |
| Arginine ARG (R) | 3 | 4.23% |
| Threonine THR (T) | 3 | 4.23% |
| Tryptophan TRP (W) | 1 | 1.41% |
| Valine VAL (V) | 1 | 1.41% |
| Tyrosine TYR (Y) | 3 | 4.23% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 324 |
| Hydrogen | H | 513 |
| Nitrogen | N | 89 |
| Oxygen | O | 105 |
| Sulphur | S | 13 |
| Formula | C324H513N89O105S13 |
| Total Number of Atoms: | 1044 |
| Total number of positively charged residues (ARG + LYS): | 8 |
| Total number of negatively charged residues (ASP + GLU): | 8 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 10595 Absorption 0.1% (=1 g/l) 1.367, assuming all pairs of CYS residues form cystines Ext. coefficient 9970 Absorption 0.1% (=1 g/l) 1.286, assuming all CYS residues are reduced |
| Aromaticity: | 0.070 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 64.19 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [19.72, 32.39, 16.90] 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: | 49.4366 |
| Grand average of hydropathicity (GRAVY): | -0.35 |