Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5260 |
| Number of amino acids: | 515 |
| Molecular Weight: | 55453.07 Da |
| Theoretical pI: | 5.41 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 65 | 12.62% |
| Cysteine CYS (C) | 9 | 1.75% |
| Glutamic Acid GLU (E) | 21 | 4.08% |
| Aspartic Acid ASP (D) | 39 | 7.57% |
| Glycine GLY (G) | 52 | 10.1% |
| Phynylalanine PHE (F) | 18 | 3.5% |
| Isoleucine ILE (I) | 19 | 3.69% |
| Histidine HIS (H) | 13 | 2.52% |
| Lysine LYS (K) | 16 | 3.11% |
| Methionine MET (M) | 11 | 2.14% |
| Leucine LEU (L) | 40 | 7.77% |
| Asparagine ASN (N) | 18 | 3.5% |
| Glutamine GLN (Q) | 13 | 2.52% |
| Proline PRO (P) | 31 | 6.02% |
| Serine SER (S) | 37 | 7.18% |
| Arginine ARG (R) | 30 | 5.83% |
| Threonine THR (T) | 21 | 4.08% |
| Tryptophan TRP (W) | 7 | 1.36% |
| Valine VAL (V) | 30 | 5.83% |
| Tyrosine TYR (Y) | 25 | 4.85% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2451 |
| Hydrogen | H | 3749 |
| Nitrogen | N | 685 |
| Oxygen | O | 750 |
| Sulphur | S | 20 |
| Formula | C2451H3749N685O750S20 |
| Total Number of Atoms: | 7655 |
| Total number of positively charged residues (ARG + LYS): | 46 |
| Total number of negatively charged residues (ASP + GLU): | 60 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 76250 Absorption 0.1% (=1 g/l) 1.375, assuming all pairs of CYS residues form cystines Ext. coefficient 75750 Absorption 0.1% (=1 g/l) 1.366, 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 : 43.68 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.99, 26.80, 26.60] 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: | 74.1942 |
| Grand average of hydropathicity (GRAVY): | -0.27 |