Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4279 |
| Number of amino acids: | 312 |
| Molecular Weight: | 33774.73 Da |
| Theoretical pI: | 9.29 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 8.33% |
| Cysteine CYS (C) | 10 | 3.21% |
| Glutamic Acid GLU (E) | 7 | 2.24% |
| Aspartic Acid ASP (D) | 10 | 3.21% |
| Glycine GLY (G) | 40 | 12.82% |
| Phynylalanine PHE (F) | 13 | 4.17% |
| Isoleucine ILE (I) | 15 | 4.81% |
| Histidine HIS (H) | 22 | 7.05% |
| Lysine LYS (K) | 20 | 6.41% |
| Methionine MET (M) | 11 | 3.53% |
| Leucine LEU (L) | 17 | 5.45% |
| Asparagine ASN (N) | 13 | 4.17% |
| Glutamine GLN (Q) | 12 | 3.85% |
| Proline PRO (P) | 25 | 8.01% |
| Serine SER (S) | 16 | 5.13% |
| Arginine ARG (R) | 9 | 2.88% |
| Threonine THR (T) | 15 | 4.81% |
| Tryptophan TRP (W) | 8 | 2.56% |
| Valine VAL (V) | 16 | 5.13% |
| Tyrosine TYR (Y) | 7 | 2.24% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1509 |
| Hydrogen | H | 2292 |
| Nitrogen | N | 436 |
| Oxygen | O | 410 |
| Sulphur | S | 21 |
| Formula | C1509H2292N436O410S21 |
| Total Number of Atoms: | 4668 |
| Total number of positively charged residues (ARG + LYS): | 29 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 55055 Absorption 0.1% (=1 g/l) 1.630, assuming all pairs of CYS residues form cystines Ext. coefficient 54430 Absorption 0.1% (=1 g/l) 1.612, assuming all CYS residues are reduced |
| Aromaticity: | 0.090 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 20.55 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.36, 30.13, 19.55] 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: | 63.2051 |
| Grand average of hydropathicity (GRAVY): | -0.33 |