Biochemical Properties


Protein Name: Sialic acid synthase

Strain: Salinibacter ruber M8


Number of amino acids: 338

Molecular weight: 36691.1

Theoretical pI: 5.01

Total number of negatively charged residues (Asp + Glu): 50

Total number of positively charged residues (Arg + Lys): 32

Instability index:The instability index (II) is computed to be 49.35

This classifies the protein as unstable

Aliphatic index: 92.37

Grand average of hydropathicity (GRAVY): -0.238

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
10.7 5.9 2.1 6.8 0.6 4.4 8.0 6.8 3.3 3.8 10.9 3.6 0.9 3.3 5.0 7.7 5.9 0.6 1.5 8.3


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
1612 2570 456 512 5