Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4223 |
| Number of amino acids: | 327 |
| Molecular Weight: | 34446.51 Da |
| Theoretical pI: | 6.24 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 7.34% |
| Cysteine CYS (C) | 9 | 2.75% |
| Glutamic Acid GLU (E) | 9 | 2.75% |
| Aspartic Acid ASP (D) | 16 | 4.89% |
| Glycine GLY (G) | 41 | 12.54% |
| Phynylalanine PHE (F) | 10 | 3.06% |
| Isoleucine ILE (I) | 15 | 4.59% |
| Histidine HIS (H) | 8 | 2.45% |
| Lysine LYS (K) | 8 | 2.45% |
| Methionine MET (M) | 7 | 2.14% |
| Leucine LEU (L) | 18 | 5.5% |
| Asparagine ASN (N) | 17 | 5.2% |
| Glutamine GLN (Q) | 9 | 2.75% |
| Proline PRO (P) | 31 | 9.48% |
| Serine SER (S) | 33 | 10.09% |
| Arginine ARG (R) | 14 | 4.28% |
| Threonine THR (T) | 21 | 6.42% |
| Tryptophan TRP (W) | 7 | 2.14% |
| Valine VAL (V) | 20 | 6.12% |
| Tyrosine TYR (Y) | 10 | 3.06% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1511 |
| Hydrogen | H | 2312 |
| Nitrogen | N | 426 |
| Oxygen | O | 468 |
| Sulphur | S | 16 |
| Formula | C1511H2312N426O468S16 |
| Total Number of Atoms: | 4733 |
| Total number of positively charged residues (ARG + LYS): | 22 |
| Total number of negatively charged residues (ASP + GLU): | 25 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 53900 Absorption 0.1% (=1 g/l) 1.565, assuming all pairs of CYS residues form cystines Ext. coefficient 53400 Absorption 0.1% (=1 g/l) 1.550, assuming all CYS residues are reduced |
| Aromaticity: | 0.083 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 40.49 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [24.46, 37.31, 17.74] 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: | 64.4343 |
| Grand average of hydropathicity (GRAVY): | -0.30 |