Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5540 |
| Number of amino acids: | 185 |
| Molecular Weight: | 18481.14 Da |
| Theoretical pI: | 6.46 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 31 | 16.76% |
| Cysteine CYS (C) | 1 | 0.54% |
| Glutamic Acid GLU (E) | 8 | 4.32% |
| Aspartic Acid ASP (D) | 5 | 2.7% |
| Glycine GLY (G) | 8 | 4.32% |
| Phynylalanine PHE (F) | 3 | 1.62% |
| Isoleucine ILE (I) | 11 | 5.95% |
| Histidine HIS (H) | 4 | 2.16% |
| Lysine LYS (K) | 10 | 5.41% |
| Methionine MET (M) | 2 | 1.08% |
| Leucine LEU (L) | 9 | 4.86% |
| Asparagine ASN (N) | 1 | 0.54% |
| Glutamine GLN (Q) | 5 | 2.7% |
| Proline PRO (P) | 38 | 20.54% |
| Serine SER (S) | 20 | 10.81% |
| Arginine ARG (R) | 2 | 1.08% |
| Threonine THR (T) | 16 | 8.65% |
| Tryptophan TRP (W) | 1 | 0.54% |
| Valine VAL (V) | 10 | 5.41% |
| Tyrosine TYR (Y) | 0 | 0% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 829 |
| Hydrogen | H | 1328 |
| Nitrogen | N | 216 |
| Oxygen | O | 254 |
| Sulphur | S | 3 |
| Formula | C829H1328N216O254S3 |
| Total Number of Atoms: | 2630 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 5500 Absorption 0.1% (=1 g/l) 0.298, assuming all pairs of CYS residues form cystines Ext. coefficient 5500 Absorption 0.1% (=1 g/l) 0.298, assuming all CYS residues are reduced |
| Aromaticity: | 0.022 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 88.97 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [18.38, 36.22, 27.03] 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: | 74.5946 |
| Grand average of hydropathicity (GRAVY): | -0.12 |