Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_971 |
| Number of amino acids: | 227 |
| Molecular Weight: | 23643.79 Da |
| Theoretical pI: | 7.36 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 26 | 11.45% |
| Cysteine CYS (C) | 16 | 7.05% |
| Glutamic Acid GLU (E) | 5 | 2.2% |
| Aspartic Acid ASP (D) | 12 | 5.29% |
| Glycine GLY (G) | 28 | 12.33% |
| Phynylalanine PHE (F) | 10 | 4.41% |
| Isoleucine ILE (I) | 5 | 2.2% |
| Histidine HIS (H) | 2 | 0.88% |
| Lysine LYS (K) | 8 | 3.52% |
| Methionine MET (M) | 3 | 1.32% |
| Leucine LEU (L) | 16 | 7.05% |
| Asparagine ASN (N) | 7 | 3.08% |
| Glutamine GLN (Q) | 8 | 3.52% |
| Proline PRO (P) | 14 | 6.17% |
| Serine SER (S) | 15 | 6.61% |
| Arginine ARG (R) | 10 | 4.41% |
| Threonine THR (T) | 19 | 8.37% |
| Tryptophan TRP (W) | 3 | 1.32% |
| Valine VAL (V) | 13 | 5.73% |
| Tyrosine TYR (Y) | 7 | 3.08% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1026 |
| Hydrogen | H | 1591 |
| Nitrogen | N | 287 |
| Oxygen | O | 318 |
| Sulphur | S | 19 |
| Formula | C1026H1591N287O318S19 |
| Total Number of Atoms: | 3241 |
| Total number of positively charged residues (ARG + LYS): | 18 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 27930 Absorption 0.1% (=1 g/l) 1.181, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.139, assuming all CYS residues are reduced |
| Aromaticity: | 0.088 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.15 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [23.79, 28.19, 22.03] 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: | 64.1409 |
| Grand average of hydropathicity (GRAVY): | -0.03 |