Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_4119 |
| Number of amino acids: | 1278 |
| Molecular Weight: | 144769.67 Da |
| Theoretical pI: | 8.75 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 78 | 6.1% |
| Cysteine CYS (C) | 22 | 1.72% |
| Glutamic Acid GLU (E) | 86 | 6.73% |
| Aspartic Acid ASP (D) | 64 | 5.01% |
| Glycine GLY (G) | 74 | 5.79% |
| Phynylalanine PHE (F) | 41 | 3.21% |
| Isoleucine ILE (I) | 95 | 7.43% |
| Histidine HIS (H) | 37 | 2.9% |
| Lysine LYS (K) | 81 | 6.34% |
| Methionine MET (M) | 22 | 1.72% |
| Leucine LEU (L) | 111 | 8.69% |
| Asparagine ASN (N) | 65 | 5.09% |
| Glutamine GLN (Q) | 47 | 3.68% |
| Proline PRO (P) | 46 | 3.6% |
| Serine SER (S) | 106 | 8.29% |
| Arginine ARG (R) | 84 | 6.57% |
| Threonine THR (T) | 56 | 4.38% |
| Tryptophan TRP (W) | 25 | 1.96% |
| Valine VAL (V) | 102 | 7.98% |
| Tyrosine TYR (Y) | 36 | 2.82% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 6437 |
| Hydrogen | H | 10220 |
| Nitrogen | N | 1822 |
| Oxygen | O | 1889 |
| Sulphur | S | 44 |
| Formula | C6437H10220N1822O1889S44 |
| Total Number of Atoms: | 20412 |
| Total number of positively charged residues (ARG + LYS): | 165 |
| Total number of negatively charged residues (ASP + GLU): | 150 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 192515 Absorption 0.1% (=1 g/l) 1.330, assuming all pairs of CYS residues form cystines Ext. coefficient 191140 Absorption 0.1% (=1 g/l) 1.320, assuming all CYS residues are reduced |
| Aromaticity: | 0.080 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 42.35 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [32.08, 22.77, 23.24] 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: | 92.1127 |
| Grand average of hydropathicity (GRAVY): | -0.31 |