Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4136 |
| Number of amino acids: | 333 |
| Molecular Weight: | 37258.81 Da |
| Theoretical pI: | 5.63 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 44 | 13.21% |
| Cysteine CYS (C) | 27 | 8.11% |
| Glutamic Acid GLU (E) | 39 | 11.71% |
| Aspartic Acid ASP (D) | 9 | 2.7% |
| Glycine GLY (G) | 29 | 8.71% |
| Phynylalanine PHE (F) | 5 | 1.5% |
| Isoleucine ILE (I) | 6 | 1.8% |
| Histidine HIS (H) | 2 | 0.6% |
| Lysine LYS (K) | 13 | 3.9% |
| Methionine MET (M) | 4 | 1.2% |
| Leucine LEU (L) | 8 | 2.4% |
| Asparagine ASN (N) | 7 | 2.1% |
| Glutamine GLN (Q) | 15 | 4.5% |
| Proline PRO (P) | 23 | 6.91% |
| Serine SER (S) | 16 | 4.8% |
| Arginine ARG (R) | 31 | 9.31% |
| Threonine THR (T) | 7 | 2.1% |
| Tryptophan TRP (W) | 16 | 4.8% |
| Valine VAL (V) | 20 | 6.01% |
| Tyrosine TYR (Y) | 12 | 3.6% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1605 |
| Hydrogen | H | 2439 |
| Nitrogen | N | 481 |
| Oxygen | O | 487 |
| Sulphur | S | 31 |
| Formula | C1605H2439N481O487S31 |
| Total Number of Atoms: | 5043 |
| Total number of positively charged residues (ARG + LYS): | 44 |
| Total number of negatively charged residues (ASP + GLU): | 48 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 107505 Absorption 0.1% (=1 g/l) 2.885, assuming all pairs of CYS residues form cystines Ext. coefficient 105880 Absorption 0.1% (=1 g/l) 2.842, assuming all CYS residues are reduced |
| Aromaticity: | 0.099 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 66.61 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.12, 22.52, 28.53] 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: | 47.027 |
| Grand average of hydropathicity (GRAVY): | -0.69 |