Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_657 |
| Number of amino acids: | 175 |
| Molecular Weight: | 18639.19 Da |
| Theoretical pI: | 8.86 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 8% |
| Cysteine CYS (C) | 15 | 8.57% |
| Glutamic Acid GLU (E) | 4 | 2.29% |
| Aspartic Acid ASP (D) | 5 | 2.86% |
| Glycine GLY (G) | 24 | 13.71% |
| Phynylalanine PHE (F) | 7 | 4% |
| Isoleucine ILE (I) | 8 | 4.57% |
| Histidine HIS (H) | 2 | 1.14% |
| Lysine LYS (K) | 8 | 4.57% |
| Methionine MET (M) | 2 | 1.14% |
| Leucine LEU (L) | 7 | 4% |
| Asparagine ASN (N) | 14 | 8% |
| Glutamine GLN (Q) | 7 | 4% |
| Proline PRO (P) | 14 | 8% |
| Serine SER (S) | 5 | 2.86% |
| Arginine ARG (R) | 9 | 5.14% |
| Threonine THR (T) | 16 | 9.14% |
| Tryptophan TRP (W) | 5 | 2.86% |
| Valine VAL (V) | 6 | 3.43% |
| Tyrosine TYR (Y) | 3 | 1.71% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 804 |
| Hydrogen | H | 1242 |
| Nitrogen | N | 240 |
| Oxygen | O | 239 |
| Sulphur | S | 17 |
| Formula | C804H1242N240O239S17 |
| Total Number of Atoms: | 2542 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 9 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32845 Absorption 0.1% (=1 g/l) 1.762, assuming all pairs of CYS residues form cystines Ext. coefficient 31970 Absorption 0.1% (=1 g/l) 1.715, assuming all CYS residues are reduced |
| Aromaticity: | 0.086 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.03 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.57, 32.57, 15.43] 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: | 51.3714 |
| Grand average of hydropathicity (GRAVY): | -0.37 |