Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4818 |
| Number of amino acids: | 256 |
| Molecular Weight: | 27856.59 Da |
| Theoretical pI: | 8.69 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 7.42% |
| Cysteine CYS (C) | 10 | 3.91% |
| Glutamic Acid GLU (E) | 8 | 3.13% |
| Aspartic Acid ASP (D) | 11 | 4.3% |
| Glycine GLY (G) | 30 | 11.72% |
| Phynylalanine PHE (F) | 14 | 5.47% |
| Isoleucine ILE (I) | 10 | 3.91% |
| Histidine HIS (H) | 7 | 2.73% |
| Lysine LYS (K) | 9 | 3.52% |
| Methionine MET (M) | 4 | 1.56% |
| Leucine LEU (L) | 23 | 8.98% |
| Asparagine ASN (N) | 7 | 2.73% |
| Glutamine GLN (Q) | 11 | 4.3% |
| Proline PRO (P) | 8 | 3.13% |
| Serine SER (S) | 28 | 10.94% |
| Arginine ARG (R) | 15 | 5.86% |
| Threonine THR (T) | 13 | 5.08% |
| Tryptophan TRP (W) | 7 | 2.73% |
| Valine VAL (V) | 15 | 5.86% |
| Tyrosine TYR (Y) | 7 | 2.73% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1235 |
| Hydrogen | H | 1895 |
| Nitrogen | N | 349 |
| Oxygen | O | 361 |
| Sulphur | S | 14 |
| Formula | C1235H1895N349O361S14 |
| Total Number of Atoms: | 3854 |
| Total number of positively charged residues (ARG + LYS): | 24 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 49555 Absorption 0.1% (=1 g/l) 1.779, assuming all pairs of CYS residues form cystines Ext. coefficient 48930 Absorption 0.1% (=1 g/l) 1.756, assuming all CYS residues are reduced |
| Aromaticity: | 0.109 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.71 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.69, 28.52, 21.09] 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: | 74.6875 |
| Grand average of hydropathicity (GRAVY): | -0.10 |