Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_1187 |
| Number of amino acids: | 234 |
| Molecular Weight: | 24540.42 Da |
| Theoretical pI: | 4.57 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 18 | 7.69% |
| Cysteine CYS (C) | 17 | 7.26% |
| Glutamic Acid GLU (E) | 5 | 2.14% |
| Aspartic Acid ASP (D) | 12 | 5.13% |
| Glycine GLY (G) | 31 | 13.25% |
| Phynylalanine PHE (F) | 10 | 4.27% |
| Isoleucine ILE (I) | 8 | 3.42% |
| Histidine HIS (H) | 0 | 0% |
| Lysine LYS (K) | 8 | 3.42% |
| Methionine MET (M) | 2 | 0.85% |
| Leucine LEU (L) | 14 | 5.98% |
| Asparagine ASN (N) | 13 | 5.56% |
| Glutamine GLN (Q) | 10 | 4.27% |
| Proline PRO (P) | 10 | 4.27% |
| Serine SER (S) | 18 | 7.69% |
| Arginine ARG (R) | 4 | 1.71% |
| Threonine THR (T) | 24 | 10.26% |
| Tryptophan TRP (W) | 4 | 1.71% |
| Valine VAL (V) | 14 | 5.98% |
| Tyrosine TYR (Y) | 12 | 5.13% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1068 |
| Hydrogen | H | 1619 |
| Nitrogen | N | 281 |
| Oxygen | O | 346 |
| Sulphur | S | 19 |
| Formula | C1068H1619N281O346S19 |
| Total Number of Atoms: | 3333 |
| Total number of positively charged residues (ARG + LYS): | 12 |
| Total number of negatively charged residues (ASP + GLU): | 17 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 40880 Absorption 0.1% (=1 g/l) 1.666, assuming all pairs of CYS residues form cystines Ext. coefficient 39880 Absorption 0.1% (=1 g/l) 1.625, assuming all CYS residues are reduced |
| Aromaticity: | 0.111 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 36.62 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [26.50, 30.77, 16.67] 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: | 61.7094 |
| Grand average of hydropathicity (GRAVY): | -0.06 |