Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_890 |
| Number of amino acids: | 239 |
| Molecular Weight: | 25252.31 Da |
| Theoretical pI: | 4.75 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 8.79% |
| Cysteine CYS (C) | 16 | 6.69% |
| Glutamic Acid GLU (E) | 6 | 2.51% |
| Aspartic Acid ASP (D) | 18 | 7.53% |
| Glycine GLY (G) | 30 | 12.55% |
| Phynylalanine PHE (F) | 12 | 5.02% |
| Isoleucine ILE (I) | 8 | 3.35% |
| Histidine HIS (H) | 1 | 0.42% |
| Lysine LYS (K) | 8 | 3.35% |
| Methionine MET (M) | 4 | 1.67% |
| Leucine LEU (L) | 14 | 5.86% |
| Asparagine ASN (N) | 14 | 5.86% |
| Glutamine GLN (Q) | 4 | 1.67% |
| Proline PRO (P) | 13 | 5.44% |
| Serine SER (S) | 14 | 5.86% |
| Arginine ARG (R) | 10 | 4.18% |
| Threonine THR (T) | 20 | 8.37% |
| Tryptophan TRP (W) | 3 | 1.26% |
| Valine VAL (V) | 14 | 5.86% |
| Tyrosine TYR (Y) | 9 | 3.77% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1094 |
| Hydrogen | H | 1672 |
| Nitrogen | N | 300 |
| Oxygen | O | 349 |
| Sulphur | S | 20 |
| Formula | C1094H1672N300O349S20 |
| Total Number of Atoms: | 3435 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 30910 Absorption 0.1% (=1 g/l) 1.224, assuming all pairs of CYS residues form cystines Ext. coefficient 29910 Absorption 0.1% (=1 g/l) 1.184, assuming all CYS residues are reduced |
| Aromaticity: | 0.100 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 37.26 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.10, 29.71, 18.83] 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: | 61.6736 |
| Grand average of hydropathicity (GRAVY): | -0.13 |