Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4681 |
| Number of amino acids: | 278 |
| Molecular Weight: | 31131.87 Da |
| Theoretical pI: | 9.19 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 22 | 7.91% |
| Cysteine CYS (C) | 2 | 0.72% |
| Glutamic Acid GLU (E) | 13 | 4.68% |
| Aspartic Acid ASP (D) | 12 | 4.32% |
| Glycine GLY (G) | 12 | 4.32% |
| Phynylalanine PHE (F) | 15 | 5.4% |
| Isoleucine ILE (I) | 22 | 7.91% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 24 | 8.63% |
| Methionine MET (M) | 5 | 1.8% |
| Leucine LEU (L) | 25 | 8.99% |
| Asparagine ASN (N) | 16 | 5.76% |
| Glutamine GLN (Q) | 8 | 2.88% |
| Proline PRO (P) | 9 | 3.24% |
| Serine SER (S) | 20 | 7.19% |
| Arginine ARG (R) | 8 | 2.88% |
| Threonine THR (T) | 33 | 11.87% |
| Tryptophan TRP (W) | 4 | 1.44% |
| Valine VAL (V) | 16 | 5.76% |
| Tyrosine TYR (Y) | 12 | 4.32% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1416 |
| Hydrogen | H | 2236 |
| Nitrogen | N | 354 |
| Oxygen | O | 418 |
| Sulphur | S | 7 |
| Formula | C1416H2236N354O418S7 |
| Total Number of Atoms: | 4431 |
| Total number of positively charged residues (ARG + LYS): | 32 |
| Total number of negatively charged residues (ASP + GLU): | 25 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 40005 Absorption 0.1% (=1 g/l) 1.285, assuming all pairs of CYS residues form cystines Ext. coefficient 39880 Absorption 0.1% (=1 g/l) 1.281, assuming all CYS residues are reduced |
| Aromaticity: | 0.112 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 19.70 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [33.81, 20.50, 23.38] 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: | 90.5396 |
| Grand average of hydropathicity (GRAVY): | -0.08 |