Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5231 |
| Number of amino acids: | 668 |
| Molecular Weight: | 73744.45 Da |
| Theoretical pI: | 5.08 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 56 | 8.38% |
| Cysteine CYS (C) | 3 | 0.45% |
| Glutamic Acid GLU (E) | 64 | 9.58% |
| Aspartic Acid ASP (D) | 52 | 7.78% |
| Glycine GLY (G) | 55 | 8.23% |
| Phynylalanine PHE (F) | 24 | 3.59% |
| Isoleucine ILE (I) | 49 | 7.34% |
| Histidine HIS (H) | 5 | 0.75% |
| Lysine LYS (K) | 64 | 9.58% |
| Methionine MET (M) | 9 | 1.35% |
| Leucine LEU (L) | 49 | 7.34% |
| Asparagine ASN (N) | 29 | 4.34% |
| Glutamine GLN (Q) | 22 | 3.29% |
| Proline PRO (P) | 20 | 2.99% |
| Serine SER (S) | 28 | 4.19% |
| Arginine ARG (R) | 31 | 4.64% |
| Threonine THR (T) | 41 | 6.14% |
| Tryptophan TRP (W) | 3 | 0.45% |
| Valine VAL (V) | 49 | 7.34% |
| Tyrosine TYR (Y) | 15 | 2.25% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3251 |
| Hydrogen | H | 5243 |
| Nitrogen | N | 889 |
| Oxygen | O | 1036 |
| Sulphur | S | 12 |
| Formula | C3251H5243N889O1036S12 |
| Total Number of Atoms: | 10431 |
| Total number of positively charged residues (ARG + LYS): | 95 |
| Total number of negatively charged residues (ASP + GLU): | 116 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 38975 Absorption 0.1% (=1 g/l) 0.529, assuming all pairs of CYS residues form cystines Ext. coefficient 38850 Absorption 0.1% (=1 g/l) 0.527, assuming all CYS residues are reduced |
| Aromaticity: | 0.063 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 30.31 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [28.29, 19.76, 26.65] 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: | 86.8713 |
| Grand average of hydropathicity (GRAVY): | -0.47 |