Biochemical Properties


Protein Name: SirA family protein

Strain: Halorubrum lacusprofundi ATCC 49239


Number of amino acids: 84

Molecular weight: 8996.7

Theoretical pI: 4.04

Total number of negatively charged residues (Asp + Glu): 19

Total number of positively charged residues (Arg + Lys): 6

Instability index:The instability index (II) is computed to be 50.17

This classifies the protein as unstable

Aliphatic index: 68.57

Grand average of hydropathicity (GRAVY): -0.480

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
11.9 2.4 1.2 10.7 1.2 3.6 11.9 8.3 1.2 3.6 4.8 4.8 3.6 1.2 2.4 6.0 9.5 1.2 2.4 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
381 601 101 142 4