Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_752 |
| Number of amino acids: | 226 |
| Molecular Weight: | 23352.84 Da |
| Theoretical pI: | 4.76 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 11.5% |
| Cysteine CYS (C) | 16 | 7.08% |
| Glutamic Acid GLU (E) | 10 | 4.42% |
| Aspartic Acid ASP (D) | 10 | 4.42% |
| Glycine GLY (G) | 31 | 13.72% |
| Phynylalanine PHE (F) | 14 | 6.19% |
| Isoleucine ILE (I) | 7 | 3.1% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 6 | 2.65% |
| Methionine MET (M) | 2 | 0.88% |
| Leucine LEU (L) | 8 | 3.54% |
| Asparagine ASN (N) | 9 | 3.98% |
| Glutamine GLN (Q) | 6 | 2.65% |
| Proline PRO (P) | 15 | 6.64% |
| Serine SER (S) | 23 | 10.18% |
| Arginine ARG (R) | 9 | 3.98% |
| Threonine THR (T) | 16 | 7.08% |
| Tryptophan TRP (W) | 3 | 1.33% |
| Valine VAL (V) | 7 | 3.1% |
| Tyrosine TYR (Y) | 8 | 3.54% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1008 |
| Hydrogen | H | 1513 |
| Nitrogen | N | 277 |
| Oxygen | O | 329 |
| Sulphur | S | 18 |
| Formula | C1008H1513N277O329S18 |
| Total Number of Atoms: | 3145 |
| Total number of positively charged residues (ARG + LYS): | 15 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 29420 Absorption 0.1% (=1 g/l) 1.260, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 1.217, 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 : 48.89 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [20.80, 34.51, 20.35] 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: | 46.3717 |
| Grand average of hydropathicity (GRAVY): | -0.20 |