Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4256 |
| Number of amino acids: | 500 |
| Molecular Weight: | 55446.27 Da |
| Theoretical pI: | 5.76 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 42 | 8.4% |
| Cysteine CYS (C) | 10 | 2% |
| Glutamic Acid GLU (E) | 30 | 6% |
| Aspartic Acid ASP (D) | 28 | 5.6% |
| Glycine GLY (G) | 43 | 8.6% |
| Phynylalanine PHE (F) | 28 | 5.6% |
| Isoleucine ILE (I) | 24 | 4.8% |
| Histidine HIS (H) | 13 | 2.6% |
| Lysine LYS (K) | 29 | 5.8% |
| Methionine MET (M) | 15 | 3% |
| Leucine LEU (L) | 46 | 9.2% |
| Asparagine ASN (N) | 24 | 4.8% |
| Glutamine GLN (Q) | 11 | 2.2% |
| Proline PRO (P) | 25 | 5% |
| Serine SER (S) | 34 | 6.8% |
| Arginine ARG (R) | 19 | 3.8% |
| Threonine THR (T) | 20 | 4% |
| Tryptophan TRP (W) | 8 | 1.6% |
| Valine VAL (V) | 31 | 6.2% |
| Tyrosine TYR (Y) | 20 | 4% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2498 |
| Hydrogen | H | 3821 |
| Nitrogen | N | 655 |
| Oxygen | O | 726 |
| Sulphur | S | 25 |
| Formula | C2498H3821N655O726S25 |
| Total Number of Atoms: | 7725 |
| Total number of positively charged residues (ARG + LYS): | 48 |
| Total number of negatively charged residues (ASP + GLU): | 58 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 74425 Absorption 0.1% (=1 g/l) 1.342, assuming all pairs of CYS residues form cystines Ext. coefficient 73800 Absorption 0.1% (=1 g/l) 1.331, assuming all CYS residues are reduced |
| Aromaticity: | 0.112 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 37.21 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.40, 25.20, 26.60] 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: | 80.98 |
| Grand average of hydropathicity (GRAVY): | -0.15 |