Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4571 |
| Number of amino acids: | 185 |
| Molecular Weight: | 20156.65 Da |
| Theoretical pI: | 9.65 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 10.81% |
| Cysteine CYS (C) | 3 | 1.62% |
| Glutamic Acid GLU (E) | 5 | 2.7% |
| Aspartic Acid ASP (D) | 8 | 4.32% |
| Glycine GLY (G) | 14 | 7.57% |
| Phynylalanine PHE (F) | 9 | 4.86% |
| Isoleucine ILE (I) | 11 | 5.95% |
| Histidine HIS (H) | 1 | 0.54% |
| Lysine LYS (K) | 14 | 7.57% |
| Methionine MET (M) | 3 | 1.62% |
| Leucine LEU (L) | 22 | 11.89% |
| Asparagine ASN (N) | 7 | 3.78% |
| Glutamine GLN (Q) | 4 | 2.16% |
| Proline PRO (P) | 11 | 5.95% |
| Serine SER (S) | 12 | 6.49% |
| Arginine ARG (R) | 8 | 4.32% |
| Threonine THR (T) | 11 | 5.95% |
| Tryptophan TRP (W) | 5 | 2.7% |
| Valine VAL (V) | 13 | 7.03% |
| Tyrosine TYR (Y) | 4 | 2.16% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 925 |
| Hydrogen | H | 1467 |
| Nitrogen | N | 241 |
| Oxygen | O | 250 |
| Sulphur | S | 6 |
| Formula | C925H1467N241O250S6 |
| Total Number of Atoms: | 2889 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 33585 Absorption 0.1% (=1 g/l) 1.666, assuming all pairs of CYS residues form cystines Ext. coefficient 33460 Absorption 0.1% (=1 g/l) 1.660, assuming all CYS residues are reduced |
| Aromaticity: | 0.097 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 39.18 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [34.59, 23.78, 27.03] 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: | 100.757 |
| Grand average of hydropathicity (GRAVY): | 0.18 |