Biochemical Properties

Protein Name: purine-binding chemotaxis protein CheW

Strain: Salinibacter ruber DSM 13855

Number of amino acids: 190

Molecular weight: 21278.8

Theoretical pI: 4.25

Total number of negatively charged residues (Asp + Glu): 41

Total number of positively charged residues (Arg + Lys): 18

Instability index:The instability index (II) is computed to be 55.56

This classifies the protein as unstable

Aliphatic index: 104.11

Grand average of hydropathicity (GRAVY): -0.147

Amino acid composition (%):

Ala	Arg	Asn	Asp	Cys	Gln	Glu	Gly	His	Ile	Leu	lys	Mcf	Phe	Pro	Ser	Thr	Trp	Tyr	Val
7.4	8.9	1.6	10.0	0.5	4.2	11.6	4.7	1.1	7.4	10.0	0.5	1.6	4.7	4.2	5.3	6.3	0.0	0.0	10.0

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
928	1497	257	306	4