Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1296 |
| Number of amino acids: | 242 |
| Molecular Weight: | 25607.98 Da |
| Theoretical pI: | 4.81 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 8.26% |
| Cysteine CYS (C) | 16 | 6.61% |
| Glutamic Acid GLU (E) | 8 | 3.31% |
| Aspartic Acid ASP (D) | 11 | 4.55% |
| Glycine GLY (G) | 24 | 9.92% |
| Phynylalanine PHE (F) | 15 | 6.2% |
| Isoleucine ILE (I) | 5 | 2.07% |
| Histidine HIS (H) | 2 | 0.83% |
| Lysine LYS (K) | 10 | 4.13% |
| Methionine MET (M) | 6 | 2.48% |
| Leucine LEU (L) | 18 | 7.44% |
| Asparagine ASN (N) | 10 | 4.13% |
| Glutamine GLN (Q) | 11 | 4.55% |
| Proline PRO (P) | 18 | 7.44% |
| Serine SER (S) | 22 | 9.09% |
| Arginine ARG (R) | 3 | 1.24% |
| Threonine THR (T) | 21 | 8.68% |
| Tryptophan TRP (W) | 3 | 1.24% |
| Valine VAL (V) | 12 | 4.96% |
| Tyrosine TYR (Y) | 7 | 2.89% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1124 |
| Hydrogen | H | 1709 |
| Nitrogen | N | 289 |
| Oxygen | O | 352 |
| Sulphur | S | 22 |
| Formula | C1124H1709N289O352S22 |
| Total Number of Atoms: | 3496 |
| Total number of positively charged residues (ARG + LYS): | 13 |
| 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 27930 Absorption 0.1% (=1 g/l) 1.091, assuming all pairs of CYS residues form cystines Ext. coefficient 26930 Absorption 0.1% (=1 g/l) 1.052, assuming all CYS residues are reduced |
| Aromaticity: | 0.103 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.16 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.79, 30.58, 21.49] 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: | 59.7108 |
| Grand average of hydropathicity (GRAVY): | -0.04 |