Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4537 |
| Number of amino acids: | 253 |
| Molecular Weight: | 27469.44 Da |
| Theoretical pI: | 4.9 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 9.09% |
| Cysteine CYS (C) | 8 | 3.16% |
| Glutamic Acid GLU (E) | 8 | 3.16% |
| Aspartic Acid ASP (D) | 16 | 6.32% |
| Glycine GLY (G) | 28 | 11.07% |
| Phynylalanine PHE (F) | 17 | 6.72% |
| Isoleucine ILE (I) | 15 | 5.93% |
| Histidine HIS (H) | 2 | 0.79% |
| Lysine LYS (K) | 5 | 1.98% |
| Methionine MET (M) | 4 | 1.58% |
| Leucine LEU (L) | 13 | 5.14% |
| Asparagine ASN (N) | 22 | 8.7% |
| Glutamine GLN (Q) | 11 | 4.35% |
| Proline PRO (P) | 12 | 4.74% |
| Serine SER (S) | 16 | 6.32% |
| Arginine ARG (R) | 13 | 5.14% |
| Threonine THR (T) | 17 | 6.72% |
| Tryptophan TRP (W) | 3 | 1.19% |
| Valine VAL (V) | 10 | 3.95% |
| Tyrosine TYR (Y) | 10 | 3.95% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1206 |
| Hydrogen | H | 1817 |
| Nitrogen | N | 337 |
| Oxygen | O | 378 |
| Sulphur | S | 12 |
| Formula | C1206H1817N337O378S12 |
| Total Number of Atoms: | 3750 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 31900 Absorption 0.1% (=1 g/l) 1.161, assuming all pairs of CYS residues form cystines Ext. coefficient 31400 Absorption 0.1% (=1 g/l) 1.143, assuming all CYS residues are reduced |
| Aromaticity: | 0.119 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 30.14 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.88, 30.83, 18.97] 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: | 63.7154 |
| Grand average of hydropathicity (GRAVY): | -0.31 |