Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5550 |
| Number of amino acids: | 221 |
| Molecular Weight: | 23866.43 Da |
| Theoretical pI: | 6.32 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 8.14% |
| Cysteine CYS (C) | 2 | 0.9% |
| Glutamic Acid GLU (E) | 4 | 1.81% |
| Aspartic Acid ASP (D) | 14 | 6.33% |
| Glycine GLY (G) | 15 | 6.79% |
| Phynylalanine PHE (F) | 15 | 6.79% |
| Isoleucine ILE (I) | 16 | 7.24% |
| Histidine HIS (H) | 3 | 1.36% |
| Lysine LYS (K) | 14 | 6.33% |
| Methionine MET (M) | 3 | 1.36% |
| Leucine LEU (L) | 17 | 7.69% |
| Asparagine ASN (N) | 18 | 8.14% |
| Glutamine GLN (Q) | 10 | 4.52% |
| Proline PRO (P) | 15 | 6.79% |
| Serine SER (S) | 12 | 5.43% |
| Arginine ARG (R) | 3 | 1.36% |
| Threonine THR (T) | 13 | 5.88% |
| Tryptophan TRP (W) | 1 | 0.45% |
| Valine VAL (V) | 24 | 10.86% |
| Tyrosine TYR (Y) | 4 | 1.81% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1086 |
| Hydrogen | H | 1701 |
| Nitrogen | N | 279 |
| Oxygen | O | 315 |
| Sulphur | S | 5 |
| Formula | C1086H1701N279O315S5 |
| Total Number of Atoms: | 3386 |
| Total number of positively charged residues (ARG + LYS): | 17 |
| Total number of negatively charged residues (ASP + GLU): | 18 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 11585 Absorption 0.1% (=1 g/l) 0.485, assuming all pairs of CYS residues form cystines Ext. coefficient 11460 Absorption 0.1% (=1 g/l) 0.480, assuming all CYS residues are reduced |
| Aromaticity: | 0.090 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 23.89 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [34.84, 27.15, 19.00] 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: | 97.8732 |
| Grand average of hydropathicity (GRAVY): | 0.13 |