Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_980 |
| Number of amino acids: | 228 |
| Molecular Weight: | 23676.11 Da |
| Theoretical pI: | 8.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 25 | 10.96% |
| Cysteine CYS (C) | 16 | 7.02% |
| Glutamic Acid GLU (E) | 2 | 0.88% |
| Aspartic Acid ASP (D) | 13 | 5.7% |
| Glycine GLY (G) | 29 | 12.72% |
| Phynylalanine PHE (F) | 10 | 4.39% |
| Isoleucine ILE (I) | 6 | 2.63% |
| Histidine HIS (H) | 1 | 0.44% |
| Lysine LYS (K) | 12 | 5.26% |
| Methionine MET (M) | 4 | 1.75% |
| Leucine LEU (L) | 15 | 6.58% |
| Asparagine ASN (N) | 5 | 2.19% |
| Glutamine GLN (Q) | 9 | 3.95% |
| Proline PRO (P) | 15 | 6.58% |
| Serine SER (S) | 13 | 5.7% |
| Arginine ARG (R) | 8 | 3.51% |
| Threonine THR (T) | 21 | 9.21% |
| Tryptophan TRP (W) | 3 | 1.32% |
| Valine VAL (V) | 14 | 6.14% |
| Tyrosine TYR (Y) | 7 | 3.07% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1034 |
| Hydrogen | H | 1615 |
| Nitrogen | N | 283 |
| Oxygen | O | 314 |
| Sulphur | S | 20 |
| Formula | C1034H1615N283O314S20 |
| Total Number of Atoms: | 3266 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 15 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 27930 Absorption 0.1% (=1 g/l) 1.180, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.137, assuming all CYS residues are reduced |
| Aromaticity: | 0.088 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 32.17 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.12, 27.19, 20.18] 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: | 64.693 |
| Grand average of hydropathicity (GRAVY): | 0.01 |