Biochemical Properties


Protein Name: signal peptidase I S

Strain: Bacillus cereus E33L


Number of amino acids: 114

Molecular weight: 13166.6

Theoretical pI: 11.42

Total number of negatively charged residues (Asp + Glu): 10

Total number of positively charged residues (Arg + Lys): 28

Instability index:The instability index (II) is computed to be 43.20

This classifies the protein as unstable

Aliphatic index: 99.04

Grand average of hydropathicity (GRAVY): -0.448

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
5.5 6.0 2.7 8.7 0.0 2.7 5.5 7.1 1.1 10.9 7.7 10.4 2.7 4.4 3.8 4.4 3.8 1.6 4.4 6.6


Estimated half-life:
The N-terminal of the sequence considered is M (Met).
The estimated half-life is: Hours (Mammalian reticulocytes, in vitro)

Atom composition:
Carbon Hydrogen Nitrogen Oxygen Sulphur
960 1524 252 269 5