Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1334 |
| Number of amino acids: | 245 |
| Molecular Weight: | 25710.57 Da |
| Theoretical pI: | 7.37 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 16 | 6.53% |
| Cysteine CYS (C) | 18 | 7.35% |
| Glutamic Acid GLU (E) | 9 | 3.67% |
| Aspartic Acid ASP (D) | 10 | 4.08% |
| Glycine GLY (G) | 29 | 11.84% |
| Phynylalanine PHE (F) | 11 | 4.49% |
| Isoleucine ILE (I) | 9 | 3.67% |
| Histidine HIS (H) | 4 | 1.63% |
| Lysine LYS (K) | 16 | 6.53% |
| Methionine MET (M) | 5 | 2.04% |
| Leucine LEU (L) | 20 | 8.16% |
| Asparagine ASN (N) | 9 | 3.67% |
| Glutamine GLN (Q) | 6 | 2.45% |
| Proline PRO (P) | 15 | 6.12% |
| Serine SER (S) | 26 | 10.61% |
| Arginine ARG (R) | 4 | 1.63% |
| Threonine THR (T) | 11 | 4.49% |
| Tryptophan TRP (W) | 3 | 1.22% |
| Valine VAL (V) | 18 | 7.35% |
| Tyrosine TYR (Y) | 6 | 2.45% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1127 |
| Hydrogen | H | 1763 |
| Nitrogen | N | 299 |
| Oxygen | O | 342 |
| Sulphur | S | 23 |
| Formula | C1127H1763N299O342S23 |
| Total Number of Atoms: | 3554 |
| Total number of positively charged residues (ARG + LYS): | 20 |
| Total number of negatively charged residues (ASP + GLU): | 19 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 26565 Absorption 0.1% (=1 g/l) 1.033, assuming all pairs of CYS residues form cystines Ext. coefficient 25440 Absorption 0.1% (=1 g/l) 0.989, assuming all CYS residues are reduced |
| Aromaticity: | 0.082 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 43.58 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [27.35, 32.24, 20.41] 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: | 74 |
| Grand average of hydropathicity (GRAVY): | 0.08 |