Biochemical Properties


Protein Name: Signal peptidase I

Strain: Salinibacter ruber M8


Number of amino acids: 426

Molecular weight: 46692.9

Theoretical pI: 10.01

Total number of negatively charged residues (Asp + Glu): 40

Total number of positively charged residues (Arg + Lys): 62

Instability index:The instability index (II) is computed to be 48.03

This classifies the protein as unstable

Aliphatic index: 68.29

Grand average of hydropathicity (GRAVY): -0.562

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
10.6 10.1 1.6 5.4 1.6 4.2 4.0 7.3 2.6 1.9 7.5 4.5 1.4 2.6 8.7 7.7 7.3 1.6 2.1 7.3


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
2041 3260 628 605 13