Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5666 |
| Number of amino acids: | 260 |
| Molecular Weight: | 28161.94 Da |
| Theoretical pI: | 9.66 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 20 | 7.69% |
| Cysteine CYS (C) | 8 | 3.08% |
| Glutamic Acid GLU (E) | 2 | 0.77% |
| Aspartic Acid ASP (D) | 7 | 2.69% |
| Glycine GLY (G) | 29 | 11.15% |
| Phynylalanine PHE (F) | 17 | 6.54% |
| Isoleucine ILE (I) | 13 | 5% |
| Histidine HIS (H) | 4 | 1.54% |
| Lysine LYS (K) | 7 | 2.69% |
| Methionine MET (M) | 4 | 1.54% |
| Leucine LEU (L) | 18 | 6.92% |
| Asparagine ASN (N) | 20 | 7.69% |
| Glutamine GLN (Q) | 9 | 3.46% |
| Proline PRO (P) | 14 | 5.38% |
| Serine SER (S) | 25 | 9.62% |
| Arginine ARG (R) | 14 | 5.38% |
| Threonine THR (T) | 19 | 7.31% |
| Tryptophan TRP (W) | 8 | 3.08% |
| Valine VAL (V) | 15 | 5.77% |
| Tyrosine TYR (Y) | 7 | 2.69% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1261 |
| Hydrogen | H | 1914 |
| Nitrogen | N | 354 |
| Oxygen | O | 359 |
| Sulphur | S | 12 |
| Formula | C1261H1914N354O359S12 |
| Total Number of Atoms: | 3900 |
| Total number of positively charged residues (ARG + LYS): | 21 |
| Total number of negatively charged residues (ASP + GLU): | 9 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 54930 Absorption 0.1% (=1 g/l) 1.950, assuming all pairs of CYS residues form cystines Ext. coefficient 54430 Absorption 0.1% (=1 g/l) 1.933, assuming all CYS residues are reduced |
| Aromaticity: | 0.123 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 35.67 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.00, 33.85, 16.92] 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: | 70.9231 |
| Grand average of hydropathicity (GRAVY): | -0.07 |