Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_815 |
| Number of amino acids: | 234 |
| Molecular Weight: | 24734.69 Da |
| Theoretical pI: | 8.45 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 10.26% |
| Cysteine CYS (C) | 16 | 6.84% |
| Glutamic Acid GLU (E) | 2 | 0.85% |
| Aspartic Acid ASP (D) | 8 | 3.42% |
| Glycine GLY (G) | 25 | 10.68% |
| Phynylalanine PHE (F) | 11 | 4.7% |
| Isoleucine ILE (I) | 8 | 3.42% |
| Histidine HIS (H) | 1 | 0.43% |
| Lysine LYS (K) | 9 | 3.85% |
| Methionine MET (M) | 1 | 0.43% |
| Leucine LEU (L) | 12 | 5.13% |
| Asparagine ASN (N) | 19 | 8.12% |
| Glutamine GLN (Q) | 13 | 5.56% |
| Proline PRO (P) | 9 | 3.85% |
| Serine SER (S) | 19 | 8.12% |
| Arginine ARG (R) | 6 | 2.56% |
| Threonine THR (T) | 22 | 9.4% |
| Tryptophan TRP (W) | 4 | 1.71% |
| Valine VAL (V) | 14 | 5.98% |
| Tyrosine TYR (Y) | 11 | 4.7% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1076 |
| Hydrogen | H | 1641 |
| Nitrogen | N | 299 |
| Oxygen | O | 339 |
| Sulphur | S | 17 |
| Formula | C1076H1641N299O339S17 |
| Total Number of Atoms: | 3372 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 10 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 39390 Absorption 0.1% (=1 g/l) 1.593, assuming all pairs of CYS residues form cystines Ext. coefficient 38390 Absorption 0.1% (=1 g/l) 1.552, assuming all CYS residues are reduced |
| Aromaticity: | 0.111 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 31.03 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.64, 30.77, 16.67] 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: | 60.9402 |
| Grand average of hydropathicity (GRAVY): | -0.12 |