Biochemical Properties


Protein Name: DNA topoisomerase I

Strain: Bacillus cereus G9241


Number of amino acids: 692

Molecular weight: 79078.0

Theoretical pI: 8.51

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

Total number of positively charged residues (Arg + Lys): 112

Instability index:The instability index (II) is computed to be 39.79

This classifies the protein as stable

Aliphatic index: 77.88

Grand average of hydropathicity (GRAVY): -0.544

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
5.9 5.8 3.8 4.9 1.9 3.9 10.3 5.6 0.9 6.1 6.8 10.4 2.9 4.2 4.6 4.9 5.8 0.9 3.0 7.5


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
3510 5625 955 1051 33