Physicochemical Properties of Peptide
| PPepDB ID: | PPepDB_643 |
| Number of amino acids: | 207 |
| Molecular Weight: | 22209.14 Da |
| Theoretical pI: | 8.89 |
| Amino acid | Amino acid count | Amino acid percentage |
| Alanine ALA (A) | 14 | 6.76% |
| Cysteine CYS (C) | 16 | 7.73% |
| Glutamic Acid GLU (E) | 4 | 1.93% |
| Aspartic Acid ASP (D) | 8 | 3.86% |
| Glycine GLY (G) | 28 | 13.53% |
| Phynylalanine PHE (F) | 10 | 4.83% |
| Isoleucine ILE (I) | 8 | 3.86% |
| Histidine HIS (H) | 2 | 0.97% |
| Lysine LYS (K) | 9 | 4.35% |
| Methionine MET (M) | 2 | 0.97% |
| Leucine LEU (L) | 8 | 3.86% |
| Asparagine ASN (N) | 14 | 6.76% |
| Glutamine GLN (Q) | 7 | 3.38% |
| Proline PRO (P) | 18 | 8.7% |
| Serine SER (S) | 8 | 3.86% |
| Arginine ARG (R) | 12 | 5.8% |
| Threonine THR (T) | 20 | 9.66% |
| Tryptophan TRP (W) | 5 | 2.42% |
| Valine VAL (V) | 8 | 3.86% |
| Tyrosine TYR (Y) | 6 | 2.9% |
| Element | Element's Abbreviation | Count |
| Carbon | C | 966 |
| Hydrogen | H | 1476 |
| Nitrogen | N | 282 |
| Oxygen | O | 287 |
| Sulphur | S | 18 |
| Formula | C966H1476N282O287S18 |
| Total Number of Atoms: | 3029 |
| Total number of positively charged residues (ARG + LYS): | 21 |
| Total number of negatively charged residues (ASP + GLU): | 12 |
| Extinction Coefficient: | Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 37440 Absorption 0.1% (=1 g/l) 1.686, assuming all pairs of CYS residues form cystines Ext. coefficient 36440 Absorption 0.1% (=1 g/l) 1.641, assuming all CYS residues are reduced |
| Aromaticity: | 0.101 Aromaticity is the calculated relative frequency of Phe+Trp+Tyr |
| Instability Index: | The computed Instability Index (II) is : 38.73 This indicates that the protein/peptide is stable |
| Secondary Structure Fraction [Helix, Turn, Sheet]: | [21.74, 32.85, 13.53] 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: | 48.1159 |
| Grand average of hydropathicity (GRAVY): | -0.42 |