Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4043 |
| Number of amino acids: | 308 |
| Molecular Weight: | 31881.48 Da |
| Theoretical pI: | 10.46 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 67 | 21.75% |
| Cysteine CYS (C) | 2 | 0.65% |
| Glutamic Acid GLU (E) | 11 | 3.57% |
| Aspartic Acid ASP (D) | 8 | 2.6% |
| Glycine GLY (G) | 17 | 5.52% |
| Phynylalanine PHE (F) | 6 | 1.95% |
| Isoleucine ILE (I) | 9 | 2.92% |
| Histidine HIS (H) | 4 | 1.3% |
| Lysine LYS (K) | 14 | 4.55% |
| Methionine MET (M) | 3 | 0.97% |
| Leucine LEU (L) | 20 | 6.49% |
| Asparagine ASN (N) | 4 | 1.3% |
| Glutamine GLN (Q) | 8 | 2.6% |
| Proline PRO (P) | 38 | 12.34% |
| Serine SER (S) | 22 | 7.14% |
| Arginine ARG (R) | 25 | 8.12% |
| Threonine THR (T) | 24 | 7.79% |
| Tryptophan TRP (W) | 2 | 0.65% |
| Valine VAL (V) | 16 | 5.19% |
| Tyrosine TYR (Y) | 8 | 2.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1411 |
| Hydrogen | H | 2279 |
| Nitrogen | N | 419 |
| Oxygen | O | 413 |
| Sulphur | S | 5 |
| Formula | C1411H2279N419O413S5 |
| Total Number of Atoms: | 4527 |
| Total number of positively charged residues (ARG + LYS): | 39 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 23045 Absorption 0.1% (=1 g/l) 0.723, assuming all pairs of CYS residues form cystines Ext. coefficient 22920 Absorption 0.1% (=1 g/l) 0.719, assuming all CYS residues are reduced |
| Aromaticity: | 0.052 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 65.79 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [19.81, 26.30, 32.79] 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: | 73.5389 |
| Grand average of hydropathicity (GRAVY): | -0.23 |