Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_625 |
| Number of amino acids: | 218 |
| Molecular Weight: | 22430.55 Da |
| Theoretical pI: | 7.97 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 28 | 12.84% |
| Cysteine CYS (C) | 14 | 6.42% |
| Glutamic Acid GLU (E) | 6 | 2.75% |
| Aspartic Acid ASP (D) | 10 | 4.59% |
| Glycine GLY (G) | 29 | 13.3% |
| Phynylalanine PHE (F) | 9 | 4.13% |
| Isoleucine ILE (I) | 6 | 2.75% |
| Histidine HIS (H) | 1 | 0.46% |
| Lysine LYS (K) | 7 | 3.21% |
| Methionine MET (M) | 1 | 0.46% |
| Leucine LEU (L) | 14 | 6.42% |
| Asparagine ASN (N) | 6 | 2.75% |
| Glutamine GLN (Q) | 8 | 3.67% |
| Proline PRO (P) | 16 | 7.34% |
| Serine SER (S) | 9 | 4.13% |
| Arginine ARG (R) | 11 | 5.05% |
| Threonine THR (T) | 18 | 8.26% |
| Tryptophan TRP (W) | 3 | 1.38% |
| Valine VAL (V) | 17 | 7.8% |
| Tyrosine TYR (Y) | 5 | 2.29% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 980 |
| Hydrogen | H | 1535 |
| Nitrogen | N | 277 |
| Oxygen | O | 297 |
| Sulphur | S | 15 |
| Formula | C980H1535N277O297S15 |
| Total Number of Atoms: | 3104 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 24825 Absorption 0.1% (=1 g/l) 1.107, assuming all pairs of CYS residues form cystines Ext. coefficient 23950 Absorption 0.1% (=1 g/l) 1.068, assuming all CYS residues are reduced |
| Aromaticity: | 0.078 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 26.86 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.77, 27.52, 22.48] 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: | 71.2385 |
| Grand average of hydropathicity (GRAVY): | 0.06 |