Biochemical Properties


Protein Name: capsular biosynthesis protein CapB / polyglutamate synthase

Strain: Halorubrum saccharovorum DSM 1137


Number of amino acids: 382

Molecular weight: 43338.7

Theoretical pI: 5.95

Total number of negatively charged residues (Asp + Glu): 57

Total number of positively charged residues (Arg + Lys): 50

Instability index:The instability index (II) is computed to be 47.77

This classifies the protein as unstable

Aliphatic index: 85.54

Grand average of hydropathicity (GRAVY): -0.457

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
8.4 12.0 3.7 5.5 0.3 1.8 9.4 6.8 2.9 3.1 10.4 1.0 1.6 3.4 4.4 5.7 7.3 1.0 2.9 8.4


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
1897 3014 572 580 7