Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4885 |
| Number of amino acids: | 218 |
| Molecular Weight: | 25178.09 Da |
| Theoretical pI: | 8.73 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 7 | 3.21% |
| Cysteine CYS (C) | 10 | 4.59% |
| Glutamic Acid GLU (E) | 10 | 4.59% |
| Aspartic Acid ASP (D) | 10 | 4.59% |
| Glycine GLY (G) | 10 | 4.59% |
| Phynylalanine PHE (F) | 11 | 5.05% |
| Isoleucine ILE (I) | 14 | 6.42% |
| Histidine HIS (H) | 7 | 3.21% |
| Lysine LYS (K) | 20 | 9.17% |
| Methionine MET (M) | 6 | 2.75% |
| Leucine LEU (L) | 19 | 8.72% |
| Asparagine ASN (N) | 16 | 7.34% |
| Glutamine GLN (Q) | 7 | 3.21% |
| Proline PRO (P) | 13 | 5.96% |
| Serine SER (S) | 12 | 5.5% |
| Arginine ARG (R) | 6 | 2.75% |
| Threonine THR (T) | 17 | 7.8% |
| Tryptophan TRP (W) | 4 | 1.83% |
| Valine VAL (V) | 9 | 4.13% |
| Tyrosine TYR (Y) | 10 | 4.59% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1133 |
| Hydrogen | H | 1747 |
| Nitrogen | N | 297 |
| Oxygen | O | 321 |
| Sulphur | S | 16 |
| Formula | C1133H1747N297O321S16 |
| Total Number of Atoms: | 3514 |
| Total number of positively charged residues (ARG + LYS): | 26 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37525 Absorption 0.1% (=1 g/l) 1.490, assuming all pairs of CYS residues form cystines Ext. coefficient 36900 Absorption 0.1% (=1 g/l) 1.466, assuming all CYS residues are reduced |
| Aromaticity: | 0.115 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 33.58 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.73, 23.39, 19.27] 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: | 74.2202 |
| Grand average of hydropathicity (GRAVY): | -0.40 |