Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1356 |
| Number of amino acids: | 154 |
| Molecular Weight: | 16504.59 Da |
| Theoretical pI: | 6.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 11 | 7.14% |
| Cysteine CYS (C) | 7 | 4.55% |
| Glutamic Acid GLU (E) | 4 | 2.6% |
| Aspartic Acid ASP (D) | 7 | 4.55% |
| Glycine GLY (G) | 20 | 12.99% |
| Phynylalanine PHE (F) | 8 | 5.19% |
| Isoleucine ILE (I) | 7 | 4.55% |
| Histidine HIS (H) | 1 | 0.65% |
| Lysine LYS (K) | 3 | 1.95% |
| Methionine MET (M) | 3 | 1.95% |
| Leucine LEU (L) | 15 | 9.74% |
| Asparagine ASN (N) | 11 | 7.14% |
| Glutamine GLN (Q) | 4 | 2.6% |
| Proline PRO (P) | 7 | 4.55% |
| Serine SER (S) | 13 | 8.44% |
| Arginine ARG (R) | 8 | 5.19% |
| Threonine THR (T) | 13 | 8.44% |
| Tryptophan TRP (W) | 4 | 2.6% |
| Valine VAL (V) | 4 | 2.6% |
| Tyrosine TYR (Y) | 4 | 2.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 723 |
| Hydrogen | H | 1110 |
| Nitrogen | N | 202 |
| Oxygen | O | 222 |
| Sulphur | S | 10 |
| Formula | C723H1110N202O222S10 |
| Total Number of Atoms: | 2267 |
| Total number of positively charged residues (ARG + LYS): | 11 |
| Total number of negatively charged residues (ASP + GLU): | 11 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 28335 Absorption 0.1% (=1 g/l) 1.717, assuming all pairs of CYS residues form cystines Ext. coefficient 27960 Absorption 0.1% (=1 g/l) 1.694, assuming all CYS residues are reduced |
| Aromaticity: | 0.104 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 36.33 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.27, 33.12, 21.43] 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: | 70.3896 |
| Grand average of hydropathicity (GRAVY): | -0.12 |