Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_5968 |
| Number of amino acids: | 273 |
| Molecular Weight: | 31036.99 Da |
| Theoretical pI: | 9.21 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 13 | 4.76% |
| Cysteine CYS (C) | 13 | 4.76% |
| Glutamic Acid GLU (E) | 13 | 4.76% |
| Aspartic Acid ASP (D) | 11 | 4.03% |
| Glycine GLY (G) | 18 | 6.59% |
| Phynylalanine PHE (F) | 13 | 4.76% |
| Isoleucine ILE (I) | 16 | 5.86% |
| Histidine HIS (H) | 5 | 1.83% |
| Lysine LYS (K) | 22 | 8.06% |
| Methionine MET (M) | 9 | 3.3% |
| Leucine LEU (L) | 27 | 9.89% |
| Asparagine ASN (N) | 20 | 7.33% |
| Glutamine GLN (Q) | 6 | 2.2% |
| Proline PRO (P) | 10 | 3.66% |
| Serine SER (S) | 23 | 8.42% |
| Arginine ARG (R) | 16 | 5.86% |
| Threonine THR (T) | 10 | 3.66% |
| Tryptophan TRP (W) | 2 | 0.73% |
| Valine VAL (V) | 13 | 4.76% |
| Tyrosine TYR (Y) | 13 | 4.76% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 1374 |
| Hydrogen | H | 2171 |
| Nitrogen | N | 381 |
| Oxygen | O | 394 |
| Sulphur | S | 22 |
| Formula | C1374H2171N381O394S22 |
| Total Number of Atoms: | 4342 |
| Total number of positively charged residues (ARG + LYS): | 38 |
| Total number of negatively charged residues (ASP + GLU): | 24 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 31120 Absorption 0.1% (=1 g/l) 1.003, assuming all pairs of CYS residues form cystines Ext. coefficient 30370 Absorption 0.1% (=1 g/l) 0.979, assuming all CYS residues are reduced |
| Aromaticity: | 0.103 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 49.67 This indicates that the protein/peptide is unstable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [30.77, 26.01, 22.71] 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: | 80 |
| Grand average of hydropathicity (GRAVY): | -0.28 |