Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4128 |
| Number of amino acids: | 469 |
| Molecular Weight: | 54162.83 Da |
| Theoretical pI: | 6.02 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 4.48% |
| Cysteine CYS (C) | 5 | 1.07% |
| Glutamic Acid GLU (E) | 27 | 5.76% |
| Aspartic Acid ASP (D) | 25 | 5.33% |
| Glycine GLY (G) | 34 | 7.25% |
| Phynylalanine PHE (F) | 24 | 5.12% |
| Isoleucine ILE (I) | 27 | 5.76% |
| Histidine HIS (H) | 17 | 3.62% |
| Lysine LYS (K) | 21 | 4.48% |
| Methionine MET (M) | 9 | 1.92% |
| Leucine LEU (L) | 28 | 5.97% |
| Asparagine ASN (N) | 23 | 4.9% |
| Glutamine GLN (Q) | 15 | 3.2% |
| Proline PRO (P) | 26 | 5.54% |
| Serine SER (S) | 41 | 8.74% |
| Arginine ARG (R) | 22 | 4.69% |
| Threonine THR (T) | 22 | 4.69% |
| Tryptophan TRP (W) | 16 | 3.41% |
| Valine VAL (V) | 34 | 7.25% |
| Tyrosine TYR (Y) | 32 | 6.82% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2474 |
| Hydrogen | H | 3638 |
| Nitrogen | N | 644 |
| Oxygen | O | 707 |
| Sulphur | S | 14 |
| Formula | C2474H3638N644O707S14 |
| Total Number of Atoms: | 7477 |
| Total number of positively charged residues (ARG + LYS): | 43 |
| Total number of negatively charged residues (ASP + GLU): | 52 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 135930 Absorption 0.1% (=1 g/l) 2.510, assuming all pairs of CYS residues form cystines Ext. coefficient 135680 Absorption 0.1% (=1 g/l) 2.505, assuming all CYS residues are reduced |
| Aromaticity: | 0.154 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.90 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [34.33, 26.44, 18.12] 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: | 71.2367 |
| Grand average of hydropathicity (GRAVY): | -0.44 |