Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1526 |
| Number of amino acids: | 200 |
| Molecular Weight: | 21728.18 Da |
| Theoretical pI: | 6.08 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 9% |
| Cysteine CYS (C) | 2 | 1% |
| Glutamic Acid GLU (E) | 7 | 3.5% |
| Aspartic Acid ASP (D) | 13 | 6.5% |
| Glycine GLY (G) | 20 | 10% |
| Phynylalanine PHE (F) | 10 | 5% |
| Isoleucine ILE (I) | 9 | 4.5% |
| Histidine HIS (H) | 4 | 2% |
| Lysine LYS (K) | 10 | 5% |
| Methionine MET (M) | 2 | 1% |
| Leucine LEU (L) | 11 | 5.5% |
| Asparagine ASN (N) | 7 | 3.5% |
| Glutamine GLN (Q) | 5 | 2.5% |
| Proline PRO (P) | 12 | 6% |
| Serine SER (S) | 19 | 9.5% |
| Arginine ARG (R) | 8 | 4% |
| Threonine THR (T) | 16 | 8% |
| Tryptophan TRP (W) | 4 | 2% |
| Valine VAL (V) | 12 | 6% |
| Tyrosine TYR (Y) | 11 | 5.5% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 976 |
| Hydrogen | H | 1468 |
| Nitrogen | N | 258 |
| Oxygen | O | 299 |
| Sulphur | S | 4 |
| Formula | C976H1468N258O299S4 |
| Total Number of Atoms: | 3005 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| 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 38515 Absorption 0.1% (=1 g/l) 1.773, assuming all pairs of CYS residues form cystines Ext. coefficient 38390 Absorption 0.1% (=1 g/l) 1.767, assuming all CYS residues are reduced |
| Aromaticity: | 0.125 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 37.91 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.50, 29.00, 19.00] 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: | 65.4 |
| Grand average of hydropathicity (GRAVY): | -0.35 |