Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4229 |
| Number of amino acids: | 262 |
| Molecular Weight: | 28266.03 Da |
| Theoretical pI: | 9.53 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 9.16% |
| Cysteine CYS (C) | 8 | 3.05% |
| Glutamic Acid GLU (E) | 2 | 0.76% |
| Aspartic Acid ASP (D) | 9 | 3.44% |
| Glycine GLY (G) | 31 | 11.83% |
| Phynylalanine PHE (F) | 17 | 6.49% |
| Isoleucine ILE (I) | 9 | 3.44% |
| Histidine HIS (H) | 2 | 0.76% |
| Lysine LYS (K) | 7 | 2.67% |
| Methionine MET (M) | 5 | 1.91% |
| Leucine LEU (L) | 15 | 5.73% |
| Asparagine ASN (N) | 19 | 7.25% |
| Glutamine GLN (Q) | 8 | 3.05% |
| Proline PRO (P) | 14 | 5.34% |
| Serine SER (S) | 21 | 8.02% |
| Arginine ARG (R) | 15 | 5.73% |
| Threonine THR (T) | 19 | 7.25% |
| Tryptophan TRP (W) | 9 | 3.44% |
| Valine VAL (V) | 20 | 7.63% |
| Tyrosine TYR (Y) | 8 | 3.05% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1266 |
| Hydrogen | H | 1910 |
| Nitrogen | N | 354 |
| Oxygen | O | 360 |
| Sulphur | S | 13 |
| Formula | C1266H1910N354O360S13 |
| Total Number of Atoms: | 3903 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 11 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 61920 Absorption 0.1% (=1 g/l) 2.191, assuming all pairs of CYS residues form cystines Ext. coefficient 61420 Absorption 0.1% (=1 g/l) 2.173, assuming all CYS residues are reduced |
| Aromaticity: | 0.130 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 31.44 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.77, 32.44, 17.56] 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: | 67.0229 |
| Grand average of hydropathicity (GRAVY): | -0.06 |