Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4375 |
| Number of amino acids: | 260 |
| Molecular Weight: | 29577.17 Da |
| Theoretical pI: | 9.14 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 9 | 3.46% |
| Cysteine CYS (C) | 12 | 4.62% |
| Glutamic Acid GLU (E) | 9 | 3.46% |
| Aspartic Acid ASP (D) | 11 | 4.23% |
| Glycine GLY (G) | 13 | 5% |
| Phynylalanine PHE (F) | 11 | 4.23% |
| Isoleucine ILE (I) | 14 | 5.38% |
| Histidine HIS (H) | 2 | 0.77% |
| Lysine LYS (K) | 20 | 7.69% |
| Methionine MET (M) | 5 | 1.92% |
| Leucine LEU (L) | 32 | 12.31% |
| Asparagine ASN (N) | 20 | 7.69% |
| Glutamine GLN (Q) | 10 | 3.85% |
| Proline PRO (P) | 4 | 1.54% |
| Serine SER (S) | 29 | 11.15% |
| Arginine ARG (R) | 12 | 4.62% |
| Threonine THR (T) | 13 | 5% |
| Tryptophan TRP (W) | 3 | 1.15% |
| Valine VAL (V) | 17 | 6.54% |
| Tyrosine TYR (Y) | 14 | 5.38% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1315 |
| Hydrogen | H | 2085 |
| Nitrogen | N | 353 |
| Oxygen | O | 387 |
| Sulphur | S | 17 |
| Formula | C1315H2085N353O387S17 |
| Total Number of Atoms: | 4157 |
| Total number of positively charged residues (ARG + LYS): | 32 |
| Total number of negatively charged residues (ASP + GLU): | 20 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 38110 Absorption 0.1% (=1 g/l) 1.288, assuming all pairs of CYS residues form cystines Ext. coefficient 37360 Absorption 0.1% (=1 g/l) 1.263, assuming all CYS residues are reduced |
| Aromaticity: | 0.108 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.78 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [35.00, 25.38, 21.15] 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: | 91.4231 |
| Grand average of hydropathicity (GRAVY): | -0.14 |