Biochemical Properties


Protein Name: molecular chaperone DnaK

Strain: Halorubrum saccharovorum DSM 1137


Number of amino acids: 140

Molecular weight: 68902.4

Theoretical pI: 3.92

Total number of negatively charged residues (Asp + Glu): 157

Total number of positively charged residues (Arg + Lys): 44

Instability index:The instability index (II) is computed to be 44.21

This classifies the protein as unstable

Aliphatic index: 80.70

Grand average of hydropathicity (GRAVY): -0.529

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
10.5 3.2 3.7 10.5 0.0 4.3 13.8 10.5 0.8 5.7 6.6 3.6 1.5 2.2 3.6 4.3 5.9 0.2 1.5 7.6


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
2940 4644 796 1090 10