Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5742 |
| Number of amino acids: | 307 |
| Molecular Weight: | 34927.89 Da |
| Theoretical pI: | 8.91 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 4.56% |
| Cysteine CYS (C) | 8 | 2.61% |
| Glutamic Acid GLU (E) | 5 | 1.63% |
| Aspartic Acid ASP (D) | 0 | 0% |
| Glycine GLY (G) | 9 | 2.93% |
| Phynylalanine PHE (F) | 14 | 4.56% |
| Isoleucine ILE (I) | 15 | 4.89% |
| Histidine HIS (H) | 3 | 0.98% |
| Lysine LYS (K) | 2 | 0.65% |
| Methionine MET (M) | 7 | 2.28% |
| Leucine LEU (L) | 27 | 8.79% |
| Asparagine ASN (N) | 2 | 0.65% |
| Glutamine GLN (Q) | 97 | 31.6% |
| Proline PRO (P) | 39 | 12.7% |
| Serine SER (S) | 22 | 7.17% |
| Arginine ARG (R) | 8 | 2.61% |
| Threonine THR (T) | 11 | 3.58% |
| Tryptophan TRP (W) | 2 | 0.65% |
| Valine VAL (V) | 18 | 5.86% |
| Tyrosine TYR (Y) | 4 | 1.3% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1546 |
| Hydrogen | H | 2432 |
| Nitrogen | N | 440 |
| Oxygen | O | 454 |
| Sulphur | S | 15 |
| Formula | C1546H2432N440O454S15 |
| Total Number of Atoms: | 4887 |
| Total number of positively charged residues (ARG + LYS): | 10 |
| Total number of negatively charged residues (ASP + GLU): | 5 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 17460 Absorption 0.1% (=1 g/l) 0.500, assuming all pairs of CYS residues form cystines Ext. coefficient 16960 Absorption 0.1% (=1 g/l) 0.486, assuming all CYS residues are reduced |
| Aromaticity: | 0.065 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 105.69 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.06, 23.45, 17.26] 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: | 74.9186 |
| Grand average of hydropathicity (GRAVY): | -0.56 |