Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5053 |
| Number of amino acids: | 333 |
| Molecular Weight: | 38415.14 Da |
| Theoretical pI: | 6.6 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 16 | 4.8% |
| Cysteine CYS (C) | 4 | 1.2% |
| Glutamic Acid GLU (E) | 21 | 6.31% |
| Aspartic Acid ASP (D) | 21 | 6.31% |
| Glycine GLY (G) | 25 | 7.51% |
| Phynylalanine PHE (F) | 21 | 6.31% |
| Isoleucine ILE (I) | 15 | 4.5% |
| Histidine HIS (H) | 10 | 3% |
| Lysine LYS (K) | 13 | 3.9% |
| Methionine MET (M) | 9 | 2.7% |
| Leucine LEU (L) | 22 | 6.61% |
| Asparagine ASN (N) | 15 | 4.5% |
| Glutamine GLN (Q) | 9 | 2.7% |
| Proline PRO (P) | 14 | 4.2% |
| Serine SER (S) | 29 | 8.71% |
| Arginine ARG (R) | 27 | 8.11% |
| Threonine THR (T) | 16 | 4.8% |
| Tryptophan TRP (W) | 5 | 1.5% |
| Valine VAL (V) | 22 | 6.61% |
| Tyrosine TYR (Y) | 19 | 5.71% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1717 |
| Hydrogen | H | 2592 |
| Nitrogen | N | 476 |
| Oxygen | O | 506 |
| Sulphur | S | 13 |
| Formula | C1717H2592N476O506S13 |
| Total Number of Atoms: | 5304 |
| Total number of positively charged residues (ARG + LYS): | 40 |
| Total number of negatively charged residues (ASP + GLU): | 42 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 56060 Absorption 0.1% (=1 g/l) 1.459, assuming all pairs of CYS residues form cystines Ext. coefficient 55810 Absorption 0.1% (=1 g/l) 1.453, assuming all CYS residues are reduced |
| Aromaticity: | 0.135 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 48.84 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.23, 24.92, 20.42] 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: | 67.2973 |
| Grand average of hydropathicity (GRAVY): | -0.52 |