Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4881 |
| Number of amino acids: | 246 |
| Molecular Weight: | 27520.68 Da |
| Theoretical pI: | 5.19 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 10 | 4.07% |
| Cysteine CYS (C) | 30 | 12.2% |
| Glutamic Acid GLU (E) | 20 | 8.13% |
| Aspartic Acid ASP (D) | 16 | 6.5% |
| Glycine GLY (G) | 9 | 3.66% |
| Phynylalanine PHE (F) | 7 | 2.85% |
| Isoleucine ILE (I) | 10 | 4.07% |
| Histidine HIS (H) | 1 | 0.41% |
| Lysine LYS (K) | 24 | 9.76% |
| Methionine MET (M) | 4 | 1.63% |
| Leucine LEU (L) | 19 | 7.72% |
| Asparagine ASN (N) | 6 | 2.44% |
| Glutamine GLN (Q) | 5 | 2.03% |
| Proline PRO (P) | 12 | 4.88% |
| Serine SER (S) | 25 | 10.16% |
| Arginine ARG (R) | 7 | 2.85% |
| Threonine THR (T) | 15 | 6.1% |
| Tryptophan TRP (W) | 1 | 0.41% |
| Valine VAL (V) | 13 | 5.28% |
| Tyrosine TYR (Y) | 12 | 4.88% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1179 |
| Hydrogen | H | 1871 |
| Nitrogen | N | 305 |
| Oxygen | O | 382 |
| Sulphur | S | 34 |
| Formula | C1179H1871N305O382S34 |
| Total Number of Atoms: | 3771 |
| Total number of positively charged residues (ARG + LYS): | 31 |
| 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 25255 Absorption 0.1% (=1 g/l) 0.918, assuming all pairs of CYS residues form cystines Ext. coefficient 23380 Absorption 0.1% (=1 g/l) 0.850, 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 : 51.70 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [25.20, 21.14, 21.54] 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: | 65.3659 |
| Grand average of hydropathicity (GRAVY): | -0.29 |