Biochemical Properties

Protein Name: ATP-dependent DNA helicase PcrA

Strain: Salinibacter ruber M8

Number of amino acids: 847

Molecular weight: 95473.7

Theoretical pI: 4.83

Total number of negatively charged residues (Asp + Glu): 161

Total number of positively charged residues (Arg + Lys): 102

Instability index:The instability index (II) is computed to be 43.06

This classifies the protein as unstable

Aliphatic index: 77.86

Grand average of hydropathicity (GRAVY): -0.622

Amino acid composition (%):

Ala	Arg	Asn	Asp	Cys	Gln	Glu	Gly	His	Ile	Leu	lys	Mcf	Phe	Pro	Ser	Thr	Trp	Tyr	Val
12.5	10.7	1.8	9.8	0.8	3.8	9.2	5.9	3.1	3.1	9.2	1.3	1.4	2.8	5.2	3.9	5.2	1.7	2.6	6.0

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
4151	6476	1244	1316	19