Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5256 |
| Number of amino acids: | 121 |
| Molecular Weight: | 12689.03 Da |
| Theoretical pI: | 4.18 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 10 | 8.26% |
| Cysteine CYS (C) | 10 | 8.26% |
| Glutamic Acid GLU (E) | 2 | 1.65% |
| Aspartic Acid ASP (D) | 13 | 10.74% |
| Glycine GLY (G) | 22 | 18.18% |
| Phynylalanine PHE (F) | 11 | 9.09% |
| Isoleucine ILE (I) | 3 | 2.48% |
| Histidine HIS (H) | 1 | 0.83% |
| Lysine LYS (K) | 3 | 2.48% |
| Methionine MET (M) | 1 | 0.83% |
| Leucine LEU (L) | 8 | 6.61% |
| Asparagine ASN (N) | 1 | 0.83% |
| Glutamine GLN (Q) | 4 | 3.31% |
| Proline PRO (P) | 3 | 2.48% |
| Serine SER (S) | 10 | 8.26% |
| Arginine ARG (R) | 4 | 3.31% |
| Threonine THR (T) | 4 | 3.31% |
| Tryptophan TRP (W) | 2 | 1.65% |
| Valine VAL (V) | 4 | 3.31% |
| Tyrosine TYR (Y) | 5 | 4.13% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 556 |
| Hydrogen | H | 805 |
| Nitrogen | N | 145 |
| Oxygen | O | 176 |
| Sulphur | S | 11 |
| Formula | C556H805N145O176S11 |
| Total Number of Atoms: | 1693 |
| Total number of positively charged residues (ARG + LYS): | 7 |
| 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 19075 Absorption 0.1% (=1 g/l) 1.503, assuming all pairs of CYS residues form cystines Ext. coefficient 18450 Absorption 0.1% (=1 g/l) 1.454, assuming all CYS residues are reduced |
| Aromaticity: | 0.149 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.72 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.27, 29.75, 17.36] 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: | 53.3058 |
| Grand average of hydropathicity (GRAVY): | 0.01 |