Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_597 |
| Number of amino acids: | 177 |
| Molecular Weight: | 18738.16 Da |
| Theoretical pI: | 8.73 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 8.47% |
| Cysteine CYS (C) | 13 | 7.34% |
| Glutamic Acid GLU (E) | 4 | 2.26% |
| Aspartic Acid ASP (D) | 6 | 3.39% |
| Glycine GLY (G) | 25 | 14.12% |
| Phynylalanine PHE (F) | 7 | 3.95% |
| Isoleucine ILE (I) | 8 | 4.52% |
| Histidine HIS (H) | 2 | 1.13% |
| Lysine LYS (K) | 7 | 3.95% |
| Methionine MET (M) | 2 | 1.13% |
| Leucine LEU (L) | 8 | 4.52% |
| Asparagine ASN (N) | 14 | 7.91% |
| Glutamine GLN (Q) | 7 | 3.95% |
| Proline PRO (P) | 13 | 7.34% |
| Serine SER (S) | 7 | 3.95% |
| Arginine ARG (R) | 9 | 5.08% |
| Threonine THR (T) | 16 | 9.04% |
| Tryptophan TRP (W) | 5 | 2.82% |
| Valine VAL (V) | 6 | 3.39% |
| Tyrosine TYR (Y) | 3 | 1.69% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 808 |
| Hydrogen | H | 1247 |
| Nitrogen | N | 241 |
| Oxygen | O | 245 |
| Sulphur | S | 15 |
| Formula | C808H1247N241O245S15 |
| Total Number of Atoms: | 2556 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32720 Absorption 0.1% (=1 g/l) 1.746, assuming all pairs of CYS residues form cystines Ext. coefficient 31970 Absorption 0.1% (=1 g/l) 1.706, assuming all CYS residues are reduced |
| Aromaticity: | 0.085 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.13 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.90, 33.33, 16.38] 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: | 53.5593 |
| Grand average of hydropathicity (GRAVY): | -0.36 |