Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4031 |
| Number of amino acids: | 181 |
| Molecular Weight: | 19152 Da |
| Theoretical pI: | 5.89 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 9.94% |
| Cysteine CYS (C) | 7 | 3.87% |
| Glutamic Acid GLU (E) | 7 | 3.87% |
| Aspartic Acid ASP (D) | 8 | 4.42% |
| Glycine GLY (G) | 18 | 9.94% |
| Phynylalanine PHE (F) | 9 | 4.97% |
| Isoleucine ILE (I) | 8 | 4.42% |
| Histidine HIS (H) | 3 | 1.66% |
| Lysine LYS (K) | 8 | 4.42% |
| Methionine MET (M) | 4 | 2.21% |
| Leucine LEU (L) | 19 | 10.5% |
| Asparagine ASN (N) | 5 | 2.76% |
| Glutamine GLN (Q) | 6 | 3.31% |
| Proline PRO (P) | 9 | 4.97% |
| Serine SER (S) | 17 | 9.39% |
| Arginine ARG (R) | 5 | 2.76% |
| Threonine THR (T) | 10 | 5.52% |
| Tryptophan TRP (W) | 1 | 0.55% |
| Valine VAL (V) | 13 | 7.18% |
| Tyrosine TYR (Y) | 6 | 3.31% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 853 |
| Hydrogen | H | 1338 |
| Nitrogen | N | 222 |
| Oxygen | O | 256 |
| Sulphur | S | 11 |
| Formula | C853H1338N222O256S11 |
| Total Number of Atoms: | 2680 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 15 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 14815 Absorption 0.1% (=1 g/l) 0.774, assuming all pairs of CYS residues form cystines Ext. coefficient 14440 Absorption 0.1% (=1 g/l) 0.754, assuming all CYS residues are reduced |
| Aromaticity: | 0.088 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.70 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.94, 27.07, 26.52] 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: | 88.9501 |
| Grand average of hydropathicity (GRAVY): | 0.22 |