Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4553 |
| Number of amino acids: | 509 |
| Molecular Weight: | 58425 Da |
| Theoretical pI: | 5.88 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 34 | 6.68% |
| Cysteine CYS (C) | 9 | 1.77% |
| Glutamic Acid GLU (E) | 49 | 9.63% |
| Aspartic Acid ASP (D) | 19 | 3.73% |
| Glycine GLY (G) | 33 | 6.48% |
| Phynylalanine PHE (F) | 25 | 4.91% |
| Isoleucine ILE (I) | 24 | 4.72% |
| Histidine HIS (H) | 9 | 1.77% |
| Lysine LYS (K) | 7 | 1.38% |
| Methionine MET (M) | 10 | 1.96% |
| Leucine LEU (L) | 38 | 7.47% |
| Asparagine ASN (N) | 39 | 7.66% |
| Glutamine GLN (Q) | 47 | 9.23% |
| Proline PRO (P) | 21 | 4.13% |
| Serine SER (S) | 32 | 6.29% |
| Arginine ARG (R) | 54 | 10.61% |
| Threonine THR (T) | 20 | 3.93% |
| Tryptophan TRP (W) | 6 | 1.18% |
| Valine VAL (V) | 27 | 5.3% |
| Tyrosine TYR (Y) | 6 | 1.18% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2510 |
| Hydrogen | H | 3960 |
| Nitrogen | N | 788 |
| Oxygen | O | 790 |
| Sulphur | S | 19 |
| Formula | C2510H3960N788O790S19 |
| Total Number of Atoms: | 8067 |
| Total number of positively charged residues (ARG + LYS): | 61 |
| Total number of negatively charged residues (ASP + GLU): | 68 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 42440 Absorption 0.1% (=1 g/l) 0.726, assuming all pairs of CYS residues form cystines Ext. coefficient 41940 Absorption 0.1% (=1 g/l) 0.718, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 60.49 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.75, 24.56, 25.74] 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: | 69.5678 |
| Grand average of hydropathicity (GRAVY): | -0.78 |