Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4023 |
| Number of amino acids: | 830 |
| Molecular Weight: | 90221.61 Da |
| Theoretical pI: | 8.56 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 68 | 8.19% |
| Cysteine CYS (C) | 10 | 1.2% |
| Glutamic Acid GLU (E) | 45 | 5.42% |
| Aspartic Acid ASP (D) | 26 | 3.13% |
| Glycine GLY (G) | 39 | 4.7% |
| Phynylalanine PHE (F) | 27 | 3.25% |
| Isoleucine ILE (I) | 17 | 2.05% |
| Histidine HIS (H) | 33 | 3.98% |
| Lysine LYS (K) | 32 | 3.86% |
| Methionine MET (M) | 35 | 4.22% |
| Leucine LEU (L) | 92 | 11.08% |
| Asparagine ASN (N) | 30 | 3.61% |
| Glutamine GLN (Q) | 27 | 3.25% |
| Proline PRO (P) | 126 | 15.18% |
| Serine SER (S) | 88 | 10.6% |
| Arginine ARG (R) | 44 | 5.3% |
| Threonine THR (T) | 40 | 4.82% |
| Tryptophan TRP (W) | 3 | 0.36% |
| Valine VAL (V) | 36 | 4.34% |
| Tyrosine TYR (Y) | 12 | 1.45% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3997 |
| Hydrogen | H | 6314 |
| Nitrogen | N | 1120 |
| Oxygen | O | 1170 |
| Sulphur | S | 45 |
| Formula | C3997H6314N1120O1170S45 |
| Total Number of Atoms: | 12646 |
| Total number of positively charged residues (ARG + LYS): | 76 |
| Total number of negatively charged residues (ASP + GLU): | 71 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 35005 Absorption 0.1% (=1 g/l) 0.388, assuming all pairs of CYS residues form cystines Ext. coefficient 34380 Absorption 0.1% (=1 g/l) 0.381, assuming all CYS residues are reduced |
| Aromaticity: | 0.051 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 71.28 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [22.53, 34.10, 28.92] 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: | 71.9878 |
| Grand average of hydropathicity (GRAVY): | -0.41 |