Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_839 |
| Number of amino acids: | 223 |
| Molecular Weight: | 24230.16 Da |
| Theoretical pI: | 7.35 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 19 | 8.52% |
| Cysteine CYS (C) | 17 | 7.62% |
| Glutamic Acid GLU (E) | 3 | 1.35% |
| Aspartic Acid ASP (D) | 12 | 5.38% |
| Glycine GLY (G) | 23 | 10.31% |
| Phynylalanine PHE (F) | 18 | 8.07% |
| Isoleucine ILE (I) | 8 | 3.59% |
| Histidine HIS (H) | 2 | 0.9% |
| Lysine LYS (K) | 2 | 0.9% |
| Methionine MET (M) | 2 | 0.9% |
| Leucine LEU (L) | 11 | 4.93% |
| Asparagine ASN (N) | 20 | 8.97% |
| Glutamine GLN (Q) | 7 | 3.14% |
| Proline PRO (P) | 17 | 7.62% |
| Serine SER (S) | 12 | 5.38% |
| Arginine ARG (R) | 14 | 6.28% |
| Threonine THR (T) | 16 | 7.17% |
| Tryptophan TRP (W) | 3 | 1.35% |
| Valine VAL (V) | 9 | 4.04% |
| Tyrosine TYR (Y) | 8 | 3.59% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1061 |
| Hydrogen | H | 1577 |
| Nitrogen | N | 301 |
| Oxygen | O | 317 |
| Sulphur | S | 19 |
| Formula | C1061H1577N301O317S19 |
| Total Number of Atoms: | 3275 |
| Total number of positively charged residues (ARG + LYS): | 16 |
| Total number of negatively charged residues (ASP + GLU): | 15 |
| 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) 1.214, assuming all pairs of CYS residues form cystines Ext. coefficient 28420 Absorption 0.1% (=1 g/l) 1.173, assuming all CYS residues are reduced |
| Aromaticity: | 0.130 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 28.70 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.56, 32.29, 15.70] 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: | 53.4529 |
| Grand average of hydropathicity (GRAVY): | -0.21 |