Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_622 |
| Number of amino acids: | 220 |
| Molecular Weight: | 22740.86 Da |
| Theoretical pI: | 4.46 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 11.82% |
| Cysteine CYS (C) | 16 | 7.27% |
| Glutamic Acid GLU (E) | 7 | 3.18% |
| Aspartic Acid ASP (D) | 9 | 4.09% |
| Glycine GLY (G) | 22 | 10% |
| Phynylalanine PHE (F) | 12 | 5.45% |
| Isoleucine ILE (I) | 6 | 2.73% |
| Histidine HIS (H) | 2 | 0.91% |
| Lysine LYS (K) | 6 | 2.73% |
| Methionine MET (M) | 1 | 0.45% |
| Leucine LEU (L) | 6 | 2.73% |
| Asparagine ASN (N) | 19 | 8.64% |
| Glutamine GLN (Q) | 8 | 3.64% |
| Proline PRO (P) | 14 | 6.36% |
| Serine SER (S) | 24 | 10.91% |
| Arginine ARG (R) | 2 | 0.91% |
| Threonine THR (T) | 19 | 8.64% |
| Tryptophan TRP (W) | 3 | 1.36% |
| Valine VAL (V) | 10 | 4.55% |
| Tyrosine TYR (Y) | 8 | 3.64% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 975 |
| Hydrogen | H | 1452 |
| Nitrogen | N | 266 |
| Oxygen | O | 331 |
| Sulphur | S | 17 |
| Formula | C975H1452N266O331S17 |
| Total Number of Atoms: | 3041 |
| Total number of positively charged residues (ARG + LYS): | 8 |
| 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 29420 Absorption 0.1% (=1 g/l) 1.294, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 1.250, assuming all CYS residues are reduced |
| Aromaticity: | 0.105 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.76 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.45, 35.91, 18.18] 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: | 46.2727 |
| Grand average of hydropathicity (GRAVY): | -0.24 |