Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4174 |
| Number of amino acids: | 437 |
| Molecular Weight: | 48707.65 Da |
| Theoretical pI: | 5.32 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 33 | 7.55% |
| Cysteine CYS (C) | 9 | 2.06% |
| Glutamic Acid GLU (E) | 20 | 4.58% |
| Aspartic Acid ASP (D) | 36 | 8.24% |
| Glycine GLY (G) | 44 | 10.07% |
| Phynylalanine PHE (F) | 17 | 3.89% |
| Isoleucine ILE (I) | 22 | 5.03% |
| Histidine HIS (H) | 18 | 4.12% |
| Lysine LYS (K) | 18 | 4.12% |
| Methionine MET (M) | 7 | 1.6% |
| Leucine LEU (L) | 34 | 7.78% |
| Asparagine ASN (N) | 17 | 3.89% |
| Glutamine GLN (Q) | 15 | 3.43% |
| Proline PRO (P) | 22 | 5.03% |
| Serine SER (S) | 22 | 5.03% |
| Arginine ARG (R) | 19 | 4.35% |
| Threonine THR (T) | 22 | 5.03% |
| Tryptophan TRP (W) | 15 | 3.43% |
| Valine VAL (V) | 30 | 6.86% |
| Tyrosine TYR (Y) | 17 | 3.89% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2187 |
| Hydrogen | H | 3279 |
| Nitrogen | N | 595 |
| Oxygen | O | 643 |
| Sulphur | S | 16 |
| Formula | C2187H3279N595O643S16 |
| Total Number of Atoms: | 6720 |
| Total number of positively charged residues (ARG + LYS): | 37 |
| Total number of negatively charged residues (ASP + GLU): | 56 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 108330 Absorption 0.1% (=1 g/l) 2.224, assuming all pairs of CYS residues form cystines Ext. coefficient 107830 Absorption 0.1% (=1 g/l) 2.214, assuming all CYS residues are reduced |
| Aromaticity: | 0.112 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 28.09 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.89, 24.03, 21.51] 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: | 77.4371 |
| Grand average of hydropathicity (GRAVY): | -0.33 |