Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4013 |
| Number of amino acids: | 512 |
| Molecular Weight: | 54229.47 Da |
| Theoretical pI: | 5.2 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 75 | 14.65% |
| Cysteine CYS (C) | 7 | 1.37% |
| Glutamic Acid GLU (E) | 18 | 3.52% |
| Aspartic Acid ASP (D) | 36 | 7.03% |
| Glycine GLY (G) | 51 | 9.96% |
| Phynylalanine PHE (F) | 14 | 2.73% |
| Isoleucine ILE (I) | 12 | 2.34% |
| Histidine HIS (H) | 15 | 2.93% |
| Lysine LYS (K) | 11 | 2.15% |
| Methionine MET (M) | 14 | 2.73% |
| Leucine LEU (L) | 44 | 8.59% |
| Asparagine ASN (N) | 17 | 3.32% |
| Glutamine GLN (Q) | 18 | 3.52% |
| Proline PRO (P) | 23 | 4.49% |
| Serine SER (S) | 48 | 9.38% |
| Arginine ARG (R) | 25 | 4.88% |
| Threonine THR (T) | 19 | 3.71% |
| Tryptophan TRP (W) | 10 | 1.95% |
| Valine VAL (V) | 35 | 6.84% |
| Tyrosine TYR (Y) | 20 | 3.91% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2378 |
| Hydrogen | H | 3651 |
| Nitrogen | N | 673 |
| Oxygen | O | 743 |
| Sulphur | S | 21 |
| Formula | C2378H3651N673O743S21 |
| Total Number of Atoms: | 7466 |
| Total number of positively charged residues (ARG + LYS): | 36 |
| Total number of negatively charged residues (ASP + GLU): | 54 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 85175 Absorption 0.1% (=1 g/l) 1.571, assuming all pairs of CYS residues form cystines Ext. coefficient 84800 Absorption 0.1% (=1 g/l) 1.564, assuming all CYS residues are reduced |
| Aromaticity: | 0.086 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.23 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.37, 27.15, 29.49] 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: | 77.1289 |
| Grand average of hydropathicity (GRAVY): | -0.14 |