Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4972 |
| Number of amino acids: | 269 |
| Molecular Weight: | 28961.36 Da |
| Theoretical pI: | 8.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 8.92% |
| Cysteine CYS (C) | 9 | 3.35% |
| Glutamic Acid GLU (E) | 10 | 3.72% |
| Aspartic Acid ASP (D) | 19 | 7.06% |
| Glycine GLY (G) | 32 | 11.9% |
| Phynylalanine PHE (F) | 8 | 2.97% |
| Isoleucine ILE (I) | 14 | 5.2% |
| Histidine HIS (H) | 3 | 1.12% |
| Lysine LYS (K) | 29 | 10.78% |
| Methionine MET (M) | 6 | 2.23% |
| Leucine LEU (L) | 14 | 5.2% |
| Asparagine ASN (N) | 9 | 3.35% |
| Glutamine GLN (Q) | 4 | 1.49% |
| Proline PRO (P) | 17 | 6.32% |
| Serine SER (S) | 10 | 3.72% |
| Arginine ARG (R) | 4 | 1.49% |
| Threonine THR (T) | 15 | 5.58% |
| Tryptophan TRP (W) | 7 | 2.6% |
| Valine VAL (V) | 23 | 8.55% |
| Tyrosine TYR (Y) | 12 | 4.46% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1306 |
| Hydrogen | H | 2024 |
| Nitrogen | N | 336 |
| Oxygen | O | 378 |
| Sulphur | S | 15 |
| Formula | C1306H2024N336O378S15 |
| Total Number of Atoms: | 4059 |
| Total number of positively charged residues (ARG + LYS): | 33 |
| Total number of negatively charged residues (ASP + GLU): | 29 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 56880 Absorption 0.1% (=1 g/l) 1.964, assuming all pairs of CYS residues form cystines Ext. coefficient 56380 Absorption 0.1% (=1 g/l) 1.947, assuming all CYS residues are reduced |
| Aromaticity: | 0.100 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 20.69 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.00, 25.28, 20.07] 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: | 74.3123 |
| Grand average of hydropathicity (GRAVY): | -0.21 |