Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_979 |
| Number of amino acids: | 254 |
| Molecular Weight: | 27396.14 Da |
| Theoretical pI: | 7.19 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 21 | 8.27% |
| Cysteine CYS (C) | 17 | 6.69% |
| Glutamic Acid GLU (E) | 10 | 3.94% |
| Aspartic Acid ASP (D) | 6 | 2.36% |
| Glycine GLY (G) | 22 | 8.66% |
| Phynylalanine PHE (F) | 18 | 7.09% |
| Isoleucine ILE (I) | 7 | 2.76% |
| Histidine HIS (H) | 15 | 5.91% |
| Lysine LYS (K) | 7 | 2.76% |
| Methionine MET (M) | 4 | 1.57% |
| Leucine LEU (L) | 20 | 7.87% |
| Asparagine ASN (N) | 10 | 3.94% |
| Glutamine GLN (Q) | 5 | 1.97% |
| Proline PRO (P) | 16 | 6.3% |
| Serine SER (S) | 26 | 10.24% |
| Arginine ARG (R) | 9 | 3.54% |
| Threonine THR (T) | 19 | 7.48% |
| Tryptophan TRP (W) | 4 | 1.57% |
| Valine VAL (V) | 14 | 5.51% |
| Tyrosine TYR (Y) | 4 | 1.57% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1211 |
| Hydrogen | H | 1827 |
| Nitrogen | N | 337 |
| Oxygen | O | 351 |
| Sulphur | S | 21 |
| Formula | C1211H1827N337O351S21 |
| Total Number of Atoms: | 3747 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 28960 Absorption 0.1% (=1 g/l) 1.057, assuming all pairs of CYS residues form cystines Ext. coefficient 27960 Absorption 0.1% (=1 g/l) 1.021, assuming all CYS residues are reduced |
| Aromaticity: | 0.102 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 49.55 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.38, 29.13, 21.65] 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: | 65.7087 |
| Grand average of hydropathicity (GRAVY): | 0.01 |