Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_3997 |
| Number of amino acids: | 301 |
| Molecular Weight: | 32351.19 Da |
| Theoretical pI: | 8.69 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 6.98% |
| Cysteine CYS (C) | 6 | 1.99% |
| Glutamic Acid GLU (E) | 5 | 1.66% |
| Aspartic Acid ASP (D) | 11 | 3.65% |
| Glycine GLY (G) | 32 | 10.63% |
| Phynylalanine PHE (F) | 10 | 3.32% |
| Isoleucine ILE (I) | 16 | 5.32% |
| Histidine HIS (H) | 2 | 0.66% |
| Lysine LYS (K) | 9 | 2.99% |
| Methionine MET (M) | 4 | 1.33% |
| Leucine LEU (L) | 28 | 9.3% |
| Asparagine ASN (N) | 26 | 8.64% |
| Glutamine GLN (Q) | 15 | 4.98% |
| Proline PRO (P) | 15 | 4.98% |
| Serine SER (S) | 37 | 12.29% |
| Arginine ARG (R) | 11 | 3.65% |
| Threonine THR (T) | 18 | 5.98% |
| Tryptophan TRP (W) | 7 | 2.33% |
| Valine VAL (V) | 14 | 4.65% |
| Tyrosine TYR (Y) | 14 | 4.65% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1430 |
| Hydrogen | H | 2201 |
| Nitrogen | N | 395 |
| Oxygen | O | 444 |
| Sulphur | S | 10 |
| Formula | C1430H2201N395O444S10 |
| Total Number of Atoms: | 4480 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 59735 Absorption 0.1% (=1 g/l) 1.846, assuming all pairs of CYS residues form cystines Ext. coefficient 59360 Absorption 0.1% (=1 g/l) 1.835, assuming all CYS residues are reduced |
| Aromaticity: | 0.103 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.66 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.57, 36.54, 19.27] 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: | 77.4751 |
| Grand average of hydropathicity (GRAVY): | -0.23 |