Biochemical Properties


Protein Name: ATP-dependent DNA helicase PcrA

Strain: Bacillus cereus ATCC 10987


Number of amino acids: 105

Molecular weight: 84521.4

Theoretical pI: 6.59

Total number of negatively charged residues (Asp + Glu): 105

Total number of positively charged residues (Arg + Lys): 103

Instability index:The instability index (II) is computed to be 35.03

This classifies the protein as stable

Aliphatic index: 89.57

Grand average of hydropathicity (GRAVY): -0.371

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
7.9 6.4 4.8 5.8 0.3 3.5 8.3 5.8 1.2 7.4 8.7 7.4 2.4 3.9 2.8 5.9 6.8 0.9 3.3 6.6


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
3319 5323 917 1036 19