Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4144 |
| Number of amino acids: | 271 |
| Molecular Weight: | 29108.48 Da |
| Theoretical pI: | 9.36 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 23 | 8.49% |
| Cysteine CYS (C) | 8 | 2.95% |
| Glutamic Acid GLU (E) | 7 | 2.58% |
| Aspartic Acid ASP (D) | 9 | 3.32% |
| Glycine GLY (G) | 29 | 10.7% |
| Phynylalanine PHE (F) | 9 | 3.32% |
| Isoleucine ILE (I) | 17 | 6.27% |
| Histidine HIS (H) | 9 | 3.32% |
| Lysine LYS (K) | 16 | 5.9% |
| Methionine MET (M) | 4 | 1.48% |
| Leucine LEU (L) | 24 | 8.86% |
| Asparagine ASN (N) | 11 | 4.06% |
| Glutamine GLN (Q) | 5 | 1.85% |
| Proline PRO (P) | 15 | 5.54% |
| Serine SER (S) | 25 | 9.23% |
| Arginine ARG (R) | 11 | 4.06% |
| Threonine THR (T) | 18 | 6.64% |
| Tryptophan TRP (W) | 7 | 2.58% |
| Valine VAL (V) | 16 | 5.9% |
| Tyrosine TYR (Y) | 8 | 2.95% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1305 |
| Hydrogen | H | 2041 |
| Nitrogen | N | 361 |
| Oxygen | O | 371 |
| Sulphur | S | 12 |
| Formula | C1305H2041N361O371S12 |
| Total Number of Atoms: | 4090 |
| Total number of positively charged residues (ARG + LYS): | 27 |
| Total number of negatively charged residues (ASP + GLU): | 16 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 50920 Absorption 0.1% (=1 g/l) 1.749, assuming all pairs of CYS residues form cystines Ext. coefficient 50420 Absorption 0.1% (=1 g/l) 1.732, assuming all CYS residues are reduced |
| Aromaticity: | 0.089 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.10 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [29.89, 29.52, 21.40] 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: | 84.6125 |
| Grand average of hydropathicity (GRAVY): | -0.03 |