Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4767 |
| Number of amino acids: | 223 |
| Molecular Weight: | 24697.32 Da |
| Theoretical pI: | 5.32 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 11 | 4.93% |
| Cysteine CYS (C) | 24 | 10.76% |
| Glutamic Acid GLU (E) | 20 | 8.97% |
| Aspartic Acid ASP (D) | 16 | 7.17% |
| Glycine GLY (G) | 20 | 8.97% |
| Phynylalanine PHE (F) | 8 | 3.59% |
| Isoleucine ILE (I) | 12 | 5.38% |
| Histidine HIS (H) | 1 | 0.45% |
| Lysine LYS (K) | 26 | 11.66% |
| Methionine MET (M) | 2 | 0.9% |
| Leucine LEU (L) | 18 | 8.07% |
| Asparagine ASN (N) | 10 | 4.48% |
| Glutamine GLN (Q) | 1 | 0.45% |
| Proline PRO (P) | 3 | 1.35% |
| Serine SER (S) | 12 | 5.38% |
| Arginine ARG (R) | 6 | 2.69% |
| Threonine THR (T) | 15 | 6.73% |
| Tryptophan TRP (W) | 3 | 1.35% |
| Valine VAL (V) | 8 | 3.59% |
| Tyrosine TYR (Y) | 7 | 3.14% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1061 |
| Hydrogen | H | 1687 |
| Nitrogen | N | 283 |
| Oxygen | O | 341 |
| Sulphur | S | 26 |
| Formula | C1061H1687N283O341S26 |
| Total Number of Atoms: | 3398 |
| Total number of positively charged residues (ARG + LYS): | 32 |
| Total number of negatively charged residues (ASP + GLU): | 36 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 28430 Absorption 0.1% (=1 g/l) 1.151, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.090, assuming all CYS residues are reduced |
| Aromaticity: | 0.081 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 34.87 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.11, 20.18, 22.87] 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: | 67.8027 |
| Grand average of hydropathicity (GRAVY): | -0.35 |