Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4558 |
| Number of amino acids: | 455 |
| Molecular Weight: | 50558.29 Da |
| Theoretical pI: | 6.57 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 30 | 6.59% |
| Cysteine CYS (C) | 6 | 1.32% |
| Glutamic Acid GLU (E) | 29 | 6.37% |
| Aspartic Acid ASP (D) | 13 | 2.86% |
| Glycine GLY (G) | 41 | 9.01% |
| Phynylalanine PHE (F) | 22 | 4.84% |
| Isoleucine ILE (I) | 27 | 5.93% |
| Histidine HIS (H) | 9 | 1.98% |
| Lysine LYS (K) | 14 | 3.08% |
| Methionine MET (M) | 10 | 2.2% |
| Leucine LEU (L) | 43 | 9.45% |
| Asparagine ASN (N) | 35 | 7.69% |
| Glutamine GLN (Q) | 37 | 8.13% |
| Proline PRO (P) | 25 | 5.49% |
| Serine SER (S) | 26 | 5.71% |
| Arginine ARG (R) | 26 | 5.71% |
| Threonine THR (T) | 21 | 4.62% |
| Tryptophan TRP (W) | 6 | 1.32% |
| Valine VAL (V) | 27 | 5.93% |
| Tyrosine TYR (Y) | 8 | 1.76% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 2234 |
| Hydrogen | H | 3507 |
| Nitrogen | N | 643 |
| Oxygen | O | 667 |
| Sulphur | S | 16 |
| Formula | C2234H3507N643O667S16 |
| Total Number of Atoms: | 7067 |
| Total number of positively charged residues (ARG + LYS): | 40 |
| Total number of negatively charged residues (ASP + GLU): | 42 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 45295 Absorption 0.1% (=1 g/l) 0.896, assuming all pairs of CYS residues form cystines Ext. coefficient 44920 Absorption 0.1% (=1 g/l) 0.888, assuming all CYS residues are reduced |
| Aromaticity: | 0.079 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 46.01 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.23, 27.91, 24.62] 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: | 83.8022 |
| Grand average of hydropathicity (GRAVY): | -0.35 |