Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1169 |
| Number of amino acids: | 252 |
| Molecular Weight: | 26981.98 Da |
| Theoretical pI: | 8.44 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 7.14% |
| Cysteine CYS (C) | 17 | 6.75% |
| Glutamic Acid GLU (E) | 7 | 2.78% |
| Aspartic Acid ASP (D) | 8 | 3.17% |
| Glycine GLY (G) | 25 | 9.92% |
| Phynylalanine PHE (F) | 10 | 3.97% |
| Isoleucine ILE (I) | 12 | 4.76% |
| Histidine HIS (H) | 7 | 2.78% |
| Lysine LYS (K) | 9 | 3.57% |
| Methionine MET (M) | 5 | 1.98% |
| Leucine LEU (L) | 25 | 9.92% |
| Asparagine ASN (N) | 16 | 6.35% |
| Glutamine GLN (Q) | 8 | 3.17% |
| Proline PRO (P) | 15 | 5.95% |
| Serine SER (S) | 20 | 7.94% |
| Arginine ARG (R) | 11 | 4.37% |
| Threonine THR (T) | 19 | 7.54% |
| Tryptophan TRP (W) | 3 | 1.19% |
| Valine VAL (V) | 12 | 4.76% |
| Tyrosine TYR (Y) | 5 | 1.98% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1174 |
| Hydrogen | H | 1853 |
| Nitrogen | N | 335 |
| Oxygen | O | 351 |
| Sulphur | S | 22 |
| Formula | C1174H1853N335O351S22 |
| Total Number of Atoms: | 3735 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| 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 24950 Absorption 0.1% (=1 g/l) 0.925, assuming all pairs of CYS residues form cystines Ext. coefficient 23950 Absorption 0.1% (=1 g/l) 0.888, assuming all CYS residues are reduced |
| Aromaticity: | 0.071 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 45.66 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.59, 30.16, 21.83] 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: | 78.2142 |
| Grand average of hydropathicity (GRAVY): | -0.02 |