Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4281 |
| Number of amino acids: | 350 |
| Molecular Weight: | 37739.01 Da |
| Theoretical pI: | 5.95 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 6.29% |
| Cysteine CYS (C) | 20 | 5.71% |
| Glutamic Acid GLU (E) | 9 | 2.57% |
| Aspartic Acid ASP (D) | 18 | 5.14% |
| Glycine GLY (G) | 19 | 5.43% |
| Phynylalanine PHE (F) | 14 | 4% |
| Isoleucine ILE (I) | 19 | 5.43% |
| Histidine HIS (H) | 3 | 0.86% |
| Lysine LYS (K) | 16 | 4.57% |
| Methionine MET (M) | 2 | 0.57% |
| Leucine LEU (L) | 41 | 11.71% |
| Asparagine ASN (N) | 27 | 7.71% |
| Glutamine GLN (Q) | 15 | 4.29% |
| Proline PRO (P) | 17 | 4.86% |
| Serine SER (S) | 41 | 11.71% |
| Arginine ARG (R) | 9 | 2.57% |
| Threonine THR (T) | 25 | 7.14% |
| Tryptophan TRP (W) | 3 | 0.86% |
| Valine VAL (V) | 22 | 6.29% |
| Tyrosine TYR (Y) | 8 | 2.29% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1651 |
| Hydrogen | H | 2628 |
| Nitrogen | N | 444 |
| Oxygen | O | 521 |
| Sulphur | S | 22 |
| Formula | C1651H2628N444O521S22 |
| Total Number of Atoms: | 5266 |
| Total number of positively charged residues (ARG + LYS): | 25 |
| Total number of negatively charged residues (ASP + GLU): | 27 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 29670 Absorption 0.1% (=1 g/l) 0.786, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 0.753, assuming all CYS residues are reduced |
| Aromaticity: | 0.071 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.28 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.57, 29.71, 21.14] 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: | 91.3715 |
| Grand average of hydropathicity (GRAVY): | 0.04 |