Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5470 |
| Number of amino acids: | 256 |
| Molecular Weight: | 28930.27 Da |
| Theoretical pI: | 9.02 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 5.08% |
| Cysteine CYS (C) | 12 | 4.69% |
| Glutamic Acid GLU (E) | 13 | 5.08% |
| Aspartic Acid ASP (D) | 11 | 4.3% |
| Glycine GLY (G) | 17 | 6.64% |
| Phynylalanine PHE (F) | 14 | 5.47% |
| Isoleucine ILE (I) | 14 | 5.47% |
| Histidine HIS (H) | 4 | 1.56% |
| Lysine LYS (K) | 20 | 7.81% |
| Methionine MET (M) | 5 | 1.95% |
| Leucine LEU (L) | 27 | 10.55% |
| Asparagine ASN (N) | 19 | 7.42% |
| Glutamine GLN (Q) | 8 | 3.13% |
| Proline PRO (P) | 7 | 2.73% |
| Serine SER (S) | 23 | 8.98% |
| Arginine ARG (R) | 14 | 5.47% |
| Threonine THR (T) | 11 | 4.3% |
| Tryptophan TRP (W) | 2 | 0.78% |
| Valine VAL (V) | 12 | 4.69% |
| Tyrosine TYR (Y) | 10 | 3.91% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1279 |
| Hydrogen | H | 2019 |
| Nitrogen | N | 355 |
| Oxygen | O | 376 |
| Sulphur | S | 17 |
| Formula | C1279H2019N355O376S17 |
| Total Number of Atoms: | 4046 |
| Total number of positively charged residues (ARG + LYS): | 34 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26650 Absorption 0.1% (=1 g/l) 0.921, assuming all pairs of CYS residues form cystines Ext. coefficient 25900 Absorption 0.1% (=1 g/l) 0.895, assuming all CYS residues are reduced |
| Aromaticity: | 0.102 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 43.87 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.86, 25.78, 22.66] 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: | 81.1329 |
| Grand average of hydropathicity (GRAVY): | -0.29 |