Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_860 |
| Number of amino acids: | 245 |
| Molecular Weight: | 25768.81 Da |
| Theoretical pI: | 5.52 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 8.57% |
| Cysteine CYS (C) | 16 | 6.53% |
| Glutamic Acid GLU (E) | 9 | 3.67% |
| Aspartic Acid ASP (D) | 11 | 4.49% |
| Glycine GLY (G) | 33 | 13.47% |
| Phynylalanine PHE (F) | 16 | 6.53% |
| Isoleucine ILE (I) | 2 | 0.82% |
| Histidine HIS (H) | 4 | 1.63% |
| Lysine LYS (K) | 8 | 3.27% |
| Methionine MET (M) | 6 | 2.45% |
| Leucine LEU (L) | 15 | 6.12% |
| Asparagine ASN (N) | 8 | 3.27% |
| Glutamine GLN (Q) | 6 | 2.45% |
| Proline PRO (P) | 13 | 5.31% |
| Serine SER (S) | 26 | 10.61% |
| Arginine ARG (R) | 8 | 3.27% |
| Threonine THR (T) | 18 | 7.35% |
| Tryptophan TRP (W) | 3 | 1.22% |
| Valine VAL (V) | 12 | 4.9% |
| Tyrosine TYR (Y) | 10 | 4.08% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1122 |
| Hydrogen | H | 1680 |
| Nitrogen | N | 302 |
| Oxygen | O | 354 |
| Sulphur | S | 22 |
| Formula | C1122H1680N302O354S22 |
| Total Number of Atoms: | 3480 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32400 Absorption 0.1% (=1 g/l) 1.257, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.219, assuming all CYS residues are reduced |
| Aromaticity: | 0.118 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 32.22 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.67, 32.65, 20.82] 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: | 49.8367 |
| Grand average of hydropathicity (GRAVY): | -0.13 |