Biochemical Properties


Protein Name: alpha-amylase

Strain: Bacillus cereus G9241


Number of amino acids: 433

Molecular weight: 50423.0

Theoretical pI: 7.64

Total number of negatively charged residues (Asp + Glu): 67

Total number of positively charged residues (Arg + Lys): 68

Instability index:The instability index (II) is computed to be 31.69

This classifies the protein as stable

Aliphatic index: 87.25

Grand average of hydropathicity (GRAVY): -0.444

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
4.2 5.5 5.3 6.7 0.5 3.2 8.8 5.5 1.4 6.0 8.8 10.2 3.0 5.8 2.8 4.4 4.4 1.2 3.7 8.8


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
2276 3587 603 659 15