Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1231 |
| Number of amino acids: | 244 |
| Molecular Weight: | 26621.04 Da |
| Theoretical pI: | 7.41 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 6.15% |
| Cysteine CYS (C) | 16 | 6.56% |
| Glutamic Acid GLU (E) | 9 | 3.69% |
| Aspartic Acid ASP (D) | 10 | 4.1% |
| Glycine GLY (G) | 27 | 11.07% |
| Phynylalanine PHE (F) | 16 | 6.56% |
| Isoleucine ILE (I) | 7 | 2.87% |
| Histidine HIS (H) | 4 | 1.64% |
| Lysine LYS (K) | 8 | 3.28% |
| Methionine MET (M) | 5 | 2.05% |
| Leucine LEU (L) | 15 | 6.15% |
| Asparagine ASN (N) | 16 | 6.56% |
| Glutamine GLN (Q) | 7 | 2.87% |
| Proline PRO (P) | 20 | 8.2% |
| Serine SER (S) | 16 | 6.56% |
| Arginine ARG (R) | 12 | 4.92% |
| Threonine THR (T) | 19 | 7.79% |
| Tryptophan TRP (W) | 4 | 1.64% |
| Valine VAL (V) | 9 | 3.69% |
| Tyrosine TYR (Y) | 9 | 3.69% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1170 |
| Hydrogen | H | 1757 |
| Nitrogen | N | 323 |
| Oxygen | O | 350 |
| Sulphur | S | 21 |
| Formula | C1170H1757N323O350S21 |
| Total Number of Atoms: | 3621 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 36410 Absorption 0.1% (=1 g/l) 1.368, assuming all pairs of CYS residues form cystines Ext. coefficient 35410 Absorption 0.1% (=1 g/l) 1.330, assuming all CYS residues are reduced |
| Aromaticity: | 0.119 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 47.02 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.59, 32.38, 18.03] 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: | 52.0082 |
| Grand average of hydropathicity (GRAVY): | -0.33 |