Biochemical Properties


Protein Name: inorganic pyrophosphatase

Strain: Haloferax denitrificans ATCC 35960


Number of amino acids: 177

Molecular weight: 20435.4

Theoretical pI: 3.97

Total number of negatively charged residues (Asp + Glu): 48

Total number of positively charged residues (Arg + Lys): 13

Instability index:The instability index (II) is computed to be 60.80

This classifies the protein as unstable

Aliphatic index: 77.06

Grand average of hydropathicity (GRAVY): -0.636

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
6.2 2.3 2.8 14.7 1.1 3.4 12.4 4.5 2.3 5.1 6.8 5.1 3.4 3.4 6.2 1.7 3.4 1.1 5.6 8.5


Estimated half-life:
The N-terminal of the sequence considered is M (Met).
The estimated half-life is: 30 Hours (Mammalian reticulocytes, in vitro)

Atom composition:
Carbon Hydrogen Nitrogen Oxygen Sulphur
906 1355 219 304 8