Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4883 |
| Number of amino acids: | 323 |
| Molecular Weight: | 33554.47 Da |
| Theoretical pI: | 8.4 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 4.33% |
| Cysteine CYS (C) | 32 | 9.91% |
| Glutamic Acid GLU (E) | 10 | 3.1% |
| Aspartic Acid ASP (D) | 2 | 0.62% |
| Glycine GLY (G) | 36 | 11.15% |
| Phynylalanine PHE (F) | 4 | 1.24% |
| Isoleucine ILE (I) | 11 | 3.41% |
| Histidine HIS (H) | 2 | 0.62% |
| Lysine LYS (K) | 16 | 4.95% |
| Methionine MET (M) | 4 | 1.24% |
| Leucine LEU (L) | 15 | 4.64% |
| Asparagine ASN (N) | 15 | 4.64% |
| Glutamine GLN (Q) | 14 | 4.33% |
| Proline PRO (P) | 68 | 21.05% |
| Serine SER (S) | 30 | 9.29% |
| Arginine ARG (R) | 4 | 1.24% |
| Threonine THR (T) | 21 | 6.5% |
| Tryptophan TRP (W) | 8 | 2.48% |
| Valine VAL (V) | 7 | 2.17% |
| Tyrosine TYR (Y) | 10 | 3.1% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1469 |
| Hydrogen | H | 2240 |
| Nitrogen | N | 392 |
| Oxygen | O | 438 |
| Sulphur | S | 36 |
| Formula | C1469H2240N392O438S36 |
| Total Number of Atoms: | 4575 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 60900 Absorption 0.1% (=1 g/l) 1.815, assuming all pairs of CYS residues form cystines Ext. coefficient 58900 Absorption 0.1% (=1 g/l) 1.755, assuming all CYS residues are reduced |
| Aromaticity: | 0.068 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 70.96 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [17.03, 46.13, 13.31] 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: | 42.0124 |
| Grand average of hydropathicity (GRAVY): | -0.47 |