Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5185 |
| Number of amino acids: | 250 |
| Molecular Weight: | 27933.77 Da |
| Theoretical pI: | 6.71 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 6% |
| Cysteine CYS (C) | 9 | 3.6% |
| Glutamic Acid GLU (E) | 11 | 4.4% |
| Aspartic Acid ASP (D) | 12 | 4.8% |
| Glycine GLY (G) | 25 | 10% |
| Phynylalanine PHE (F) | 7 | 2.8% |
| Isoleucine ILE (I) | 12 | 4.8% |
| Histidine HIS (H) | 7 | 2.8% |
| Lysine LYS (K) | 7 | 2.8% |
| Methionine MET (M) | 3 | 1.2% |
| Leucine LEU (L) | 23 | 9.2% |
| Asparagine ASN (N) | 15 | 6% |
| Glutamine GLN (Q) | 7 | 2.8% |
| Proline PRO (P) | 13 | 5.2% |
| Serine SER (S) | 14 | 5.6% |
| Arginine ARG (R) | 15 | 6% |
| Threonine THR (T) | 10 | 4% |
| Tryptophan TRP (W) | 6 | 2.4% |
| Valine VAL (V) | 23 | 9.2% |
| Tyrosine TYR (Y) | 16 | 6.4% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1254 |
| Hydrogen | H | 1910 |
| Nitrogen | N | 344 |
| Oxygen | O | 359 |
| Sulphur | S | 12 |
| Formula | C1254H1910N344O359S12 |
| Total Number of Atoms: | 3879 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 23 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 57340 Absorption 0.1% (=1 g/l) 2.053, assuming all pairs of CYS residues form cystines Ext. coefficient 56840 Absorption 0.1% (=1 g/l) 2.035, assuming all CYS residues are reduced |
| Aromaticity: | 0.116 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 32.26 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [34.80, 26.80, 20.80] 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: | 87.28 |
| Grand average of hydropathicity (GRAVY): | -0.15 |