Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1022 |
| Number of amino acids: | 223 |
| Molecular Weight: | 23646.47 Da |
| Theoretical pI: | 5.18 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 15 | 6.73% |
| Cysteine CYS (C) | 18 | 8.07% |
| Glutamic Acid GLU (E) | 2 | 0.9% |
| Aspartic Acid ASP (D) | 10 | 4.48% |
| Glycine GLY (G) | 27 | 12.11% |
| Phynylalanine PHE (F) | 16 | 7.17% |
| Isoleucine ILE (I) | 9 | 4.04% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 1 | 0.45% |
| Methionine MET (M) | 2 | 0.9% |
| Leucine LEU (L) | 12 | 5.38% |
| Asparagine ASN (N) | 17 | 7.62% |
| Glutamine GLN (Q) | 11 | 4.93% |
| Proline PRO (P) | 17 | 7.62% |
| Serine SER (S) | 16 | 7.17% |
| Arginine ARG (R) | 10 | 4.48% |
| Threonine THR (T) | 23 | 10.31% |
| Tryptophan TRP (W) | 4 | 1.79% |
| Valine VAL (V) | 8 | 3.59% |
| Tyrosine TYR (Y) | 5 | 2.24% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1026 |
| Hydrogen | H | 1544 |
| Nitrogen | N | 286 |
| Oxygen | O | 320 |
| Sulphur | S | 20 |
| Formula | C1026H1544N286O320S20 |
| Total Number of Atoms: | 3196 |
| Total number of positively charged residues (ARG + LYS): | 11 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 30575 Absorption 0.1% (=1 g/l) 1.293, assuming all pairs of CYS residues form cystines Ext. coefficient 29450 Absorption 0.1% (=1 g/l) 1.245, assuming all CYS residues are reduced |
| Aromaticity: | 0.112 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 26.14 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.22, 34.53, 13.90] 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: | 53.8565 |
| Grand average of hydropathicity (GRAVY): | -0.12 |