Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1123 |
| Number of amino acids: | 192 |
| Molecular Weight: | 20608.53 Da |
| Theoretical pI: | 4.57 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 6.25% |
| Cysteine CYS (C) | 12 | 6.25% |
| Glutamic Acid GLU (E) | 9 | 4.69% |
| Aspartic Acid ASP (D) | 9 | 4.69% |
| Glycine GLY (G) | 21 | 10.94% |
| Phynylalanine PHE (F) | 13 | 6.77% |
| Isoleucine ILE (I) | 9 | 4.69% |
| Histidine HIS (H) | 2 | 1.04% |
| Lysine LYS (K) | 8 | 4.17% |
| Methionine MET (M) | 4 | 2.08% |
| Leucine LEU (L) | 19 | 9.9% |
| Asparagine ASN (N) | 14 | 7.29% |
| Glutamine GLN (Q) | 6 | 3.13% |
| Proline PRO (P) | 14 | 7.29% |
| Serine SER (S) | 12 | 6.25% |
| Arginine ARG (R) | 2 | 1.04% |
| Threonine THR (T) | 10 | 5.21% |
| Tryptophan TRP (W) | 3 | 1.56% |
| Valine VAL (V) | 9 | 4.69% |
| Tyrosine TYR (Y) | 4 | 2.08% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 918 |
| Hydrogen | H | 1395 |
| Nitrogen | N | 233 |
| Oxygen | O | 275 |
| Sulphur | S | 16 |
| Formula | C918H1395N233O275S16 |
| Total Number of Atoms: | 2837 |
| Total number of positively charged residues (ARG + LYS): | 10 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 23210 Absorption 0.1% (=1 g/l) 1.126, assuming all pairs of CYS residues form cystines Ext. coefficient 22460 Absorption 0.1% (=1 g/l) 1.090, assuming all CYS residues are reduced |
| Aromaticity: | 0.104 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 45.94 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.69, 31.77, 22.92] 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: | 76.7187 |
| Grand average of hydropathicity (GRAVY): | 0.06 |