Biochemical Properties


Protein Name: purine-binding chemotaxis protein CheW

Strain: Haloferax denitrificans ATCC 35960


Number of amino acids: 728

Molecular weight: 16443.2

Theoretical pI: 3.95

Total number of negatively charged residues (Asp + Glu): 36

Total number of positively charged residues (Arg + Lys): 11

Instability index:The instability index (II) is computed to be 45.66

This classifies the protein as unstable

Aliphatic index: 96.01

Grand average of hydropathicity (GRAVY): -0.278

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
6.1 3.4 2.7 12.2 0.7 2.7 12.2 5.4 0.7 7.4 6.1 4.1 2.0 2.0 5.4 6.1 4.1 1.4 2.7 12.8


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
722 1131 181 248 4