Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5555 |
| Number of amino acids: | 304 |
| Molecular Weight: | 34251.74 Da |
| Theoretical pI: | 8.2 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 4.61% |
| Cysteine CYS (C) | 8 | 2.63% |
| Glutamic Acid GLU (E) | 6 | 1.97% |
| Aspartic Acid ASP (D) | 0 | 0% |
| Glycine GLY (G) | 11 | 3.62% |
| Phynylalanine PHE (F) | 13 | 4.28% |
| Isoleucine ILE (I) | 14 | 4.61% |
| Histidine HIS (H) | 3 | 0.99% |
| Lysine LYS (K) | 2 | 0.66% |
| Methionine MET (M) | 6 | 1.97% |
| Leucine LEU (L) | 24 | 7.89% |
| Asparagine ASN (N) | 2 | 0.66% |
| Glutamine GLN (Q) | 97 | 31.91% |
| Proline PRO (P) | 33 | 10.86% |
| Serine SER (S) | 29 | 9.54% |
| Arginine ARG (R) | 6 | 1.97% |
| Threonine THR (T) | 10 | 3.29% |
| Tryptophan TRP (W) | 2 | 0.66% |
| Valine VAL (V) | 20 | 6.58% |
| Tyrosine TYR (Y) | 4 | 1.32% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1502 |
| Hydrogen | H | 2363 |
| Nitrogen | N | 431 |
| Oxygen | O | 459 |
| Sulphur | S | 14 |
| Formula | C1502H2363N431O459S14 |
| Total Number of Atoms: | 4769 |
| Total number of positively charged residues (ARG + LYS): | 8 |
| Total number of negatively charged residues (ASP + GLU): | 6 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 17460 Absorption 0.1% (=1 g/l) 0.510, assuming all pairs of CYS residues form cystines Ext. coefficient 16960 Absorption 0.1% (=1 g/l) 0.495, assuming all CYS residues are reduced |
| Aromaticity: | 0.062 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 108.34 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.33, 24.67, 16.45] 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: | 72.4342 |
| Grand average of hydropathicity (GRAVY): | -0.58 |