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. 2019 Mar 14;16(6):923. doi: 10.3390/ijerph16060923

Table 3.

Physiochemical properties of ACE predicted by ProtParam.

Serial Number Property Value
1. Number of amino acids 589
2. Total number of atoms 9457
3. Molecular weight 67,993.20 Dalton
4. Theoretical pI 5.82
5. Extinction coefficient * 143,240 at Abs 0.1% 2.112, assuming all pairs of Cys residues form cystines
6. Instability index 39.46
7. Aliphatic index 78.86
8. Grand average of hydropathicity (GRAVY) −0.441
9. Chemical Formula C3076H4656N818O883S24
10. Charge Negative

* Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water.