Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_604 |
| Number of amino acids: | 222 |
| Molecular Weight: | 22947.01 Da |
| Theoretical pI: | 4.71 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 27 | 12.16% |
| Cysteine CYS (C) | 15 | 6.76% |
| Glutamic Acid GLU (E) | 7 | 3.15% |
| Aspartic Acid ASP (D) | 9 | 4.05% |
| Glycine GLY (G) | 23 | 10.36% |
| Phynylalanine PHE (F) | 12 | 5.41% |
| Isoleucine ILE (I) | 6 | 2.7% |
| Histidine HIS (H) | 3 | 1.35% |
| Lysine LYS (K) | 6 | 2.7% |
| Methionine MET (M) | 1 | 0.45% |
| Leucine LEU (L) | 5 | 2.25% |
| Asparagine ASN (N) | 20 | 9.01% |
| Glutamine GLN (Q) | 8 | 3.6% |
| Proline PRO (P) | 13 | 5.86% |
| Serine SER (S) | 25 | 11.26% |
| Arginine ARG (R) | 3 | 1.35% |
| Threonine THR (T) | 17 | 7.66% |
| Tryptophan TRP (W) | 3 | 1.35% |
| Valine VAL (V) | 11 | 4.95% |
| Tyrosine TYR (Y) | 8 | 3.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 982 |
| Hydrogen | H | 1462 |
| Nitrogen | N | 274 |
| Oxygen | O | 333 |
| Sulphur | S | 16 |
| Formula | C982H1462N274O333S16 |
| Total Number of Atoms: | 3067 |
| Total number of positively charged residues (ARG + LYS): | 9 |
| 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 29295 Absorption 0.1% (=1 g/l) 1.277, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 1.239, 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 : 43.21 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.27, 36.49, 18.02] 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: | 45.8559 |
| Grand average of hydropathicity (GRAVY): | -0.28 |