Biochemical Properties

Protein Name: ATP-dependent helicase HrpA

Strain: Chromohalobacter salexigens DSM 3043

Number of amino acids: 1325

Molecular weight: 150456.4

Theoretical pI: 6.55

Total number of negatively charged residues (Asp + Glu): 205

Total number of positively charged residues (Arg + Lys): 198

Instability index:The instability index (II) is computed to be 45.30

This classifies the protein as unstable

Aliphatic index: 93.25

Grand average of hydropathicity (GRAVY): -0.459

Amino acid composition (%):

Ala	Arg	Asn	Asp	Cys	Gln	Glu	Gly	His	Ile	Leu	lys	Mcf	Phe	Pro	Ser	Thr	Trp	Tyr	Val
10.6	11.7	1.4	6.6	0.5	4.5	8.8	5.6	2.2	3.5	12.7	3.2	1.5	2.5	5.2	4.5	4.5	1.3	2.4	6.8

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
6626	10679	1985	1965	27