Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4254 |
| Number of amino acids: | 672 |
| Molecular Weight: | 74669.6 Da |
| Theoretical pI: | 8.91 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 42 | 6.25% |
| Cysteine CYS (C) | 20 | 2.98% |
| Glutamic Acid GLU (E) | 21 | 3.13% |
| Aspartic Acid ASP (D) | 39 | 5.8% |
| Glycine GLY (G) | 52 | 7.74% |
| Phynylalanine PHE (F) | 37 | 5.51% |
| Isoleucine ILE (I) | 32 | 4.76% |
| Histidine HIS (H) | 10 | 1.49% |
| Lysine LYS (K) | 47 | 6.99% |
| Methionine MET (M) | 23 | 3.42% |
| Leucine LEU (L) | 46 | 6.85% |
| Asparagine ASN (N) | 45 | 6.7% |
| Glutamine GLN (Q) | 21 | 3.13% |
| Proline PRO (P) | 55 | 8.18% |
| Serine SER (S) | 45 | 6.7% |
| Arginine ARG (R) | 28 | 4.17% |
| Threonine THR (T) | 38 | 5.65% |
| Tryptophan TRP (W) | 13 | 1.93% |
| Valine VAL (V) | 38 | 5.65% |
| Tyrosine TYR (Y) | 20 | 2.98% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3337 |
| Hydrogen | H | 5144 |
| Nitrogen | N | 902 |
| Oxygen | O | 962 |
| Sulphur | S | 43 |
| Formula | C3337H5144N902O962S43 |
| Total Number of Atoms: | 10388 |
| Total number of positively charged residues (ARG + LYS): | 75 |
| Total number of negatively charged residues (ASP + GLU): | 60 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient   102550 Absorption 0.1% (=1 g/l) 1.373, assuming all pairs of CYS residues form cystines Ext. coefficient   101300 Absorption 0.1% (=1 g/l) 1.357, assuming all CYS residues are reduced |
| Aromaticity: | 0.104 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.20 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.68, 29.32, 19.64] 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: | 67.9167 |
| Grand average of hydropathicity (GRAVY): | -0.36 |

