Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_808 |
| Number of amino acids: | 130 |
| Molecular Weight: | 14255.68 Da |
| Theoretical pI: | 6.92 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 10% |
| Cysteine CYS (C) | 10 | 7.69% |
| Glutamic Acid GLU (E) | 7 | 5.38% |
| Aspartic Acid ASP (D) | 6 | 4.62% |
| Glycine GLY (G) | 8 | 6.15% |
| Phynylalanine PHE (F) | 10 | 7.69% |
| Isoleucine ILE (I) | 6 | 4.62% |
| Histidine HIS (H) | 5 | 3.85% |
| Lysine LYS (K) | 11 | 8.46% |
| Methionine MET (M) | 3 | 2.31% |
| Leucine LEU (L) | 12 | 9.23% |
| Asparagine ASN (N) | 6 | 4.62% |
| Glutamine GLN (Q) | 1 | 0.77% |
| Proline PRO (P) | 4 | 3.08% |
| Serine SER (S) | 7 | 5.38% |
| Arginine ARG (R) | 2 | 1.54% |
| Threonine THR (T) | 6 | 4.62% |
| Tryptophan TRP (W) | 1 | 0.77% |
| Valine VAL (V) | 10 | 7.69% |
| Tyrosine TYR (Y) | 2 | 1.54% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 638 |
| Hydrogen | H | 993 |
| Nitrogen | N | 165 |
| Oxygen | O | 179 |
| Sulphur | S | 13 |
| Formula | C638H993N165O179S13 |
| Total Number of Atoms: | 1988 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| Total number of negatively charged residues (ASP + GLU): | 13 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 9105 Absorption 0.1% (=1 g/l) 0.639, assuming all pairs of CYS residues form cystines Ext. coefficient 8480 Absorption 0.1% (=1 g/l) 0.595, assuming all CYS residues are reduced |
| Aromaticity: | 0.100 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 24.32 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [31.54, 19.23, 26.92] 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: | 86.3077 |
| Grand average of hydropathicity (GRAVY): | 0.28 |