Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_936 |
| Number of amino acids: | 228 |
| Molecular Weight: | 23238.13 Da |
| Theoretical pI: | 4.2 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 9.65% |
| Cysteine CYS (C) | 15 | 6.58% |
| Glutamic Acid GLU (E) | 6 | 2.63% |
| Aspartic Acid ASP (D) | 12 | 5.26% |
| Glycine GLY (G) | 27 | 11.84% |
| Phynylalanine PHE (F) | 12 | 5.26% |
| Isoleucine ILE (I) | 4 | 1.75% |
| Histidine HIS (H) | 1 | 0.44% |
| Lysine LYS (K) | 8 | 3.51% |
| Methionine MET (M) | 5 | 2.19% |
| Leucine LEU (L) | 17 | 7.46% |
| Asparagine ASN (N) | 7 | 3.07% |
| Glutamine GLN (Q) | 2 | 0.88% |
| Proline PRO (P) | 16 | 7.02% |
| Serine SER (S) | 27 | 11.84% |
| Arginine ARG (R) | 0 | 0% |
| Threonine THR (T) | 21 | 9.21% |
| Tryptophan TRP (W) | 1 | 0.44% |
| Valine VAL (V) | 14 | 6.14% |
| Tyrosine TYR (Y) | 11 | 4.82% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1019 |
| Hydrogen | H | 1544 |
| Nitrogen | N | 248 |
| Oxygen | O | 333 |
| Sulphur | S | 20 |
| Formula | C1019H1544N248O333S20 |
| Total Number of Atoms: | 3164 |
| Total number of positively charged residues (ARG + LYS): | 8 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 22765 Absorption 0.1% (=1 g/l) 0.980, assuming all pairs of CYS residues form cystines Ext. coefficient 21890 Absorption 0.1% (=1 g/l) 0.942, 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 : 42.35 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.88, 33.77, 21.93] 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: | 63.3772 |
| Grand average of hydropathicity (GRAVY): | 0.20 |