Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4142 |
| Number of amino acids: | 625 |
| Molecular Weight: | 70182.01 Da |
| Theoretical pI: | 8.54 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 32 | 5.12% |
| Cysteine CYS (C) | 22 | 3.52% |
| Glutamic Acid GLU (E) | 39 | 6.24% |
| Aspartic Acid ASP (D) | 31 | 4.96% |
| Glycine GLY (G) | 42 | 6.72% |
| Phynylalanine PHE (F) | 29 | 4.64% |
| Isoleucine ILE (I) | 38 | 6.08% |
| Histidine HIS (H) | 15 | 2.4% |
| Lysine LYS (K) | 51 | 8.16% |
| Methionine MET (M) | 20 | 3.2% |
| Leucine LEU (L) | 62 | 9.92% |
| Asparagine ASN (N) | 25 | 4% |
| Glutamine GLN (Q) | 12 | 1.92% |
| Proline PRO (P) | 22 | 3.52% |
| Serine SER (S) | 59 | 9.44% |
| Arginine ARG (R) | 28 | 4.48% |
| Threonine THR (T) | 36 | 5.76% |
| Tryptophan TRP (W) | 6 | 0.96% |
| Valine VAL (V) | 33 | 5.28% |
| Tyrosine TYR (Y) | 23 | 3.68% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 3119 |
| Hydrogen | H | 4931 |
| Nitrogen | N | 833 |
| Oxygen | O | 921 |
| Sulphur | S | 42 |
| Formula | C3119H4931N833O921S42 |
| Total Number of Atoms: | 9846 |
| Total number of positively charged residues (ARG + LYS): | 79 |
| Total number of negatively charged residues (ASP + GLU): | 70 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 68645 Absorption 0.1% (=1 g/l) 0.978, assuming all pairs of CYS residues form cystines Ext. coefficient 67270 Absorption 0.1% (=1 g/l) 0.959, assuming all CYS residues are reduced |
| Aromaticity: | 0.093 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.66 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.56, 23.68, 24.48] 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: | 82.832 |
| Grand average of hydropathicity (GRAVY): | -0.21 |