Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4000 |
| Number of amino acids: | 316 |
| Molecular Weight: | 34708.06 Da |
| Theoretical pI: | 9.83 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 24 | 7.59% |
| Cysteine CYS (C) | 8 | 2.53% |
| Glutamic Acid GLU (E) | 6 | 1.9% |
| Aspartic Acid ASP (D) | 19 | 6.01% |
| Glycine GLY (G) | 23 | 7.28% |
| Phynylalanine PHE (F) | 17 | 5.38% |
| Isoleucine ILE (I) | 17 | 5.38% |
| Histidine HIS (H) | 4 | 1.27% |
| Lysine LYS (K) | 17 | 5.38% |
| Methionine MET (M) | 10 | 3.16% |
| Leucine LEU (L) | 32 | 10.13% |
| Asparagine ASN (N) | 21 | 6.65% |
| Glutamine GLN (Q) | 8 | 2.53% |
| Proline PRO (P) | 14 | 4.43% |
| Serine SER (S) | 30 | 9.49% |
| Arginine ARG (R) | 25 | 7.91% |
| Threonine THR (T) | 15 | 4.75% |
| Tryptophan TRP (W) | 1 | 0.32% |
| Valine VAL (V) | 20 | 6.33% |
| Tyrosine TYR (Y) | 5 | 1.58% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1521 |
| Hydrogen | H | 2460 |
| Nitrogen | N | 446 |
| Oxygen | O | 446 |
| Sulphur | S | 18 |
| Formula | C1521H2460N446O446S18 |
| Total Number of Atoms: | 4891 |
| Total number of positively charged residues (ARG + LYS): | 42 |
| 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 13450 Absorption 0.1% (=1 g/l) 0.388, assuming all pairs of CYS residues form cystines Ext. coefficient 12950 Absorption 0.1% (=1 g/l) 0.373, assuming all CYS residues are reduced |
| Aromaticity: | 0.073 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.59 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.11, 27.85, 22.78] 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: | 86.4241 |
| Grand average of hydropathicity (GRAVY): | -0.13 |