Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1425 |
| Number of amino acids: | 172 |
| Molecular Weight: | 18261.21 Da |
| Theoretical pI: | 4.6 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 6.98% |
| Cysteine CYS (C) | 10 | 5.81% |
| Glutamic Acid GLU (E) | 1 | 0.58% |
| Aspartic Acid ASP (D) | 12 | 6.98% |
| Glycine GLY (G) | 24 | 13.95% |
| Phynylalanine PHE (F) | 10 | 5.81% |
| Isoleucine ILE (I) | 4 | 2.33% |
| Histidine HIS (H) | 3 | 1.74% |
| Lysine LYS (K) | 1 | 0.58% |
| Methionine MET (M) | 2 | 1.16% |
| Leucine LEU (L) | 8 | 4.65% |
| Asparagine ASN (N) | 7 | 4.07% |
| Glutamine GLN (Q) | 4 | 2.33% |
| Proline PRO (P) | 11 | 6.4% |
| Serine SER (S) | 17 | 9.88% |
| Arginine ARG (R) | 6 | 3.49% |
| Threonine THR (T) | 14 | 8.14% |
| Tryptophan TRP (W) | 7 | 4.07% |
| Valine VAL (V) | 12 | 6.98% |
| Tyrosine TYR (Y) | 7 | 4.07% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 809 |
| Hydrogen | H | 1171 |
| Nitrogen | N | 215 |
| Oxygen | O | 248 |
| Sulphur | S | 12 |
| Formula | C809H1171N215O248S12 |
| Total Number of Atoms: | 2455 |
| Total number of positively charged residues (ARG + LYS): | 7 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| 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) 2.714, assuming all pairs of CYS residues form cystines Ext. coefficient 48930 Absorption 0.1% (=1 g/l) 2.679, assuming all CYS residues are reduced |
| Aromaticity: | 0.140 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.66 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.91, 34.30, 13.37] 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: | 54.4186 |
| Grand average of hydropathicity (GRAVY): | -0.08 |