Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1033 |
| Number of amino acids: | 224 |
| Molecular Weight: | 23832.85 Da |
| Theoretical pI: | 4.71 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 17 | 7.59% |
| Cysteine CYS (C) | 17 | 7.59% |
| Glutamic Acid GLU (E) | 5 | 2.23% |
| Aspartic Acid ASP (D) | 12 | 5.36% |
| Glycine GLY (G) | 22 | 9.82% |
| Phynylalanine PHE (F) | 13 | 5.8% |
| Isoleucine ILE (I) | 10 | 4.46% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 6 | 2.68% |
| Methionine MET (M) | 4 | 1.79% |
| Leucine LEU (L) | 12 | 5.36% |
| Asparagine ASN (N) | 19 | 8.48% |
| Glutamine GLN (Q) | 6 | 2.68% |
| Proline PRO (P) | 13 | 5.8% |
| Serine SER (S) | 16 | 7.14% |
| Arginine ARG (R) | 7 | 3.13% |
| Threonine THR (T) | 21 | 9.38% |
| Tryptophan TRP (W) | 2 | 0.89% |
| Valine VAL (V) | 14 | 6.25% |
| Tyrosine TYR (Y) | 8 | 3.57% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1033 |
| Hydrogen | H | 1582 |
| Nitrogen | N | 278 |
| Oxygen | O | 329 |
| Sulphur | S | 21 |
| Formula | C1033H1582N278O329S21 |
| Total Number of Atoms: | 3243 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 23920 Absorption 0.1% (=1 g/l) 1.004, assuming all pairs of CYS residues form cystines Ext. coefficient 22920 Absorption 0.1% (=1 g/l) 0.962, assuming all CYS residues are reduced |
| Aromaticity: | 0.103 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 34.10 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.34, 31.25, 16.96] 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: | 64.0179 |
| Grand average of hydropathicity (GRAVY): | -0.02 |