Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5519 |
| Number of amino acids: | 186 |
| Molecular Weight: | 21012.86 Da |
| Theoretical pI: | 7.72 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 12 | 6.45% |
| Cysteine CYS (C) | 8 | 4.3% |
| Glutamic Acid GLU (E) | 9 | 4.84% |
| Aspartic Acid ASP (D) | 7 | 3.76% |
| Glycine GLY (G) | 12 | 6.45% |
| Phynylalanine PHE (F) | 9 | 4.84% |
| Isoleucine ILE (I) | 4 | 2.15% |
| Histidine HIS (H) | 4 | 2.15% |
| Lysine LYS (K) | 7 | 3.76% |
| Methionine MET (M) | 5 | 2.69% |
| Leucine LEU (L) | 13 | 6.99% |
| Asparagine ASN (N) | 6 | 3.23% |
| Glutamine GLN (Q) | 30 | 16.13% |
| Proline PRO (P) | 16 | 8.6% |
| Serine SER (S) | 7 | 3.76% |
| Arginine ARG (R) | 10 | 5.38% |
| Threonine THR (T) | 9 | 4.84% |
| Tryptophan TRP (W) | 2 | 1.08% |
| Valine VAL (V) | 13 | 6.99% |
| Tyrosine TYR (Y) | 3 | 1.61% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 916 |
| Hydrogen | H | 1431 |
| Nitrogen | N | 269 |
| Oxygen | O | 274 |
| Sulphur | S | 13 |
| Formula | C916H1431N269O274S13 |
| Total Number of Atoms: | 2903 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 15970 Absorption 0.1% (=1 g/l) 0.760, assuming all pairs of CYS residues form cystines Ext. coefficient 15470 Absorption 0.1% (=1 g/l) 0.736, assuming all CYS residues are reduced |
| Aromaticity: | 0.075 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 51.56 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.66, 22.04, 20.97] 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: | 62.3656 |
| Grand average of hydropathicity (GRAVY): | -0.63 |