Biochemical Properties


Protein Name: spsE gene product

Strain: Salinibacter ruber DSM 13855


Number of amino acids: 356

Molecular weight: 38867.3

Theoretical pI: 4.60

Total number of negatively charged residues (Asp + Glu): 60

Total number of positively charged residues (Arg + Lys): 30

Instability index:The instability index (II) is computed to be 42.98

This classifies the protein as unstable

Aliphatic index: 83.90

Grand average of hydropathicity (GRAVY): -0.349

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
10.7 5.9 2.2 6.5 0.6 3.9 10.4 7.3 2.8 4.2 9.6 2.5 2.2 2.8 5.6 5.9 7.3 0.6 2.2 6.7


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
1696 2680 472 554 10