Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4272 |
| Number of amino acids: | 311 |
| Molecular Weight: | 33718.35 Da |
| Theoretical pI: | 8.13 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 7.4% |
| Cysteine CYS (C) | 7 | 2.25% |
| Glutamic Acid GLU (E) | 6 | 1.93% |
| Aspartic Acid ASP (D) | 15 | 4.82% |
| Glycine GLY (G) | 33 | 10.61% |
| Phynylalanine PHE (F) | 10 | 3.22% |
| Isoleucine ILE (I) | 23 | 7.4% |
| Histidine HIS (H) | 4 | 1.29% |
| Lysine LYS (K) | 15 | 4.82% |
| Methionine MET (M) | 5 | 1.61% |
| Leucine LEU (L) | 32 | 10.29% |
| Asparagine ASN (N) | 21 | 6.75% |
| Glutamine GLN (Q) | 12 | 3.86% |
| Proline PRO (P) | 14 | 4.5% |
| Serine SER (S) | 30 | 9.65% |
| Arginine ARG (R) | 8 | 2.57% |
| Threonine THR (T) | 15 | 4.82% |
| Tryptophan TRP (W) | 7 | 2.25% |
| Valine VAL (V) | 14 | 4.5% |
| Tyrosine TYR (Y) | 17 | 5.47% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1517 |
| Hydrogen | H | 2336 |
| Nitrogen | N | 398 |
| Oxygen | O | 449 |
| Sulphur | S | 12 |
| Formula | C1517H2336N398O449S12 |
| Total Number of Atoms: | 4712 |
| Total number of positively charged residues (ARG + LYS): | 23 |
| Total number of negatively charged residues (ASP + GLU): | 21 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 64205 Absorption 0.1% (=1 g/l) 1.904, assuming all pairs of CYS residues form cystines Ext. coefficient 63830 Absorption 0.1% (=1 g/l) 1.893, assuming all CYS residues are reduced |
| Aromaticity: | 0.109 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 44.24 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [33.12, 31.51, 21.22] 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: | 89.4213 |
| Grand average of hydropathicity (GRAVY): | -0.05 |