Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4255 |
| Number of amino acids: | 372 |
| Molecular Weight: | 40461.69 Da |
| Theoretical pI: | 8.31 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 30 | 8.06% |
| Cysteine CYS (C) | 9 | 2.42% |
| Glutamic Acid GLU (E) | 12 | 3.23% |
| Aspartic Acid ASP (D) | 16 | 4.3% |
| Glycine GLY (G) | 37 | 9.95% |
| Phynylalanine PHE (F) | 29 | 7.8% |
| Isoleucine ILE (I) | 20 | 5.38% |
| Histidine HIS (H) | 15 | 4.03% |
| Lysine LYS (K) | 20 | 5.38% |
| Methionine MET (M) | 4 | 1.08% |
| Leucine LEU (L) | 28 | 7.53% |
| Asparagine ASN (N) | 19 | 5.11% |
| Glutamine GLN (Q) | 16 | 4.3% |
| Proline PRO (P) | 17 | 4.57% |
| Serine SER (S) | 39 | 10.48% |
| Arginine ARG (R) | 11 | 2.96% |
| Threonine THR (T) | 13 | 3.49% |
| Tryptophan TRP (W) | 2 | 0.54% |
| Valine VAL (V) | 21 | 5.65% |
| Tyrosine TYR (Y) | 14 | 3.76% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1823 |
| Hydrogen | H | 2756 |
| Nitrogen | N | 492 |
| Oxygen | O | 530 |
| Sulphur | S | 13 |
| Formula | C1823H2756N492O530S13 |
| Total Number of Atoms: | 5614 |
| Total number of positively charged residues (ARG + LYS): | 31 |
| Total number of negatively charged residues (ASP + GLU): | 28 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 32360 Absorption 0.1% (=1 g/l) 0.800, assuming all pairs of CYS residues form cystines Ext. coefficient 31860 Absorption 0.1% (=1 g/l) 0.787, assuming all CYS residues are reduced |
| Aromaticity: | 0.121 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.80 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.65, 30.11, 19.89] 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: | 74.758 |
| Grand average of hydropathicity (GRAVY): | -0.13 |