Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1020 |
| Number of amino acids: | 251 |
| Molecular Weight: | 26422.21 Da |
| Theoretical pI: | 7.44 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 16 | 6.37% |
| Cysteine CYS (C) | 17 | 6.77% |
| Glutamic Acid GLU (E) | 8 | 3.19% |
| Aspartic Acid ASP (D) | 9 | 3.59% |
| Glycine GLY (G) | 34 | 13.55% |
| Phynylalanine PHE (F) | 11 | 4.38% |
| Isoleucine ILE (I) | 11 | 4.38% |
| Histidine HIS (H) | 7 | 2.79% |
| Lysine LYS (K) | 11 | 4.38% |
| Methionine MET (M) | 2 | 0.8% |
| Leucine LEU (L) | 17 | 6.77% |
| Asparagine ASN (N) | 10 | 3.98% |
| Glutamine GLN (Q) | 6 | 2.39% |
| Proline PRO (P) | 15 | 5.98% |
| Serine SER (S) | 20 | 7.97% |
| Arginine ARG (R) | 7 | 2.79% |
| Threonine THR (T) | 13 | 5.18% |
| Tryptophan TRP (W) | 3 | 1.2% |
| Valine VAL (V) | 24 | 9.56% |
| Tyrosine TYR (Y) | 10 | 3.98% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1170 |
| Hydrogen | H | 1800 |
| Nitrogen | N | 316 |
| Oxygen | O | 345 |
| Sulphur | S | 19 |
| Formula | C1170H1800N316O345S19 |
| Total Number of Atoms: | 3650 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| 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) 1.226, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.188, assuming all CYS residues are reduced |
| Aromaticity: | 0.096 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 41.42 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.28, 31.47, 17.13] 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: | 77.6096 |
| Grand average of hydropathicity (GRAVY): | 0.12 |