Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_997 |
| Number of amino acids: | 233 |
| Molecular Weight: | 24139.81 Da |
| Theoretical pI: | 4.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 25 | 10.73% |
| Cysteine CYS (C) | 16 | 6.87% |
| Glutamic Acid GLU (E) | 5 | 2.15% |
| Aspartic Acid ASP (D) | 12 | 5.15% |
| Glycine GLY (G) | 27 | 11.59% |
| Phynylalanine PHE (F) | 11 | 4.72% |
| Isoleucine ILE (I) | 7 | 3% |
| Histidine HIS (H) | 2 | 0.86% |
| Lysine LYS (K) | 6 | 2.58% |
| Methionine MET (M) | 3 | 1.29% |
| Leucine LEU (L) | 13 | 5.58% |
| Asparagine ASN (N) | 11 | 4.72% |
| Glutamine GLN (Q) | 13 | 5.58% |
| Proline PRO (P) | 8 | 3.43% |
| Serine SER (S) | 23 | 9.87% |
| Arginine ARG (R) | 3 | 1.29% |
| Threonine THR (T) | 22 | 9.44% |
| Tryptophan TRP (W) | 3 | 1.29% |
| Valine VAL (V) | 14 | 6.01% |
| Tyrosine TYR (Y) | 9 | 3.86% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1040 |
| Hydrogen | H | 1583 |
| Nitrogen | N | 279 |
| Oxygen | O | 346 |
| Sulphur | S | 19 |
| Formula | C1040H1583N279O346S19 |
| Total Number of Atoms: | 3267 |
| Total number of positively charged residues (ARG + LYS): | 9 |
| 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 30910 Absorption 0.1% (=1 g/l) 1.280, assuming all pairs of CYS residues form cystines Ext. coefficient 29910 Absorption 0.1% (=1 g/l) 1.239, assuming all CYS residues are reduced |
| Aromaticity: | 0.099 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 23.77 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.46, 29.61, 19.74] 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: | 61.6309 |
| Grand average of hydropathicity (GRAVY): | 0.01 |