Biochemical Properties


Protein Name: AF421351_3 stationary phase sigma factor [Azotobacter vinelandii]

Strain: Azotobacter Vinelandii


Number of amino acids: 334

Molecular weight: 38305.6

Theoretical pI: 5.02

Total number of negatively charged residues (Asp + Glu): 61

Total number of positively charged residues (Arg + Lys): 47

Instability index:The instability index (II) is computed to be 48.41

This classifies the protein as unstable

Aliphatic index: 104.49

Grand average of hydropathicity (GRAVY): -0.407

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
13.8 6.5 1.8 2.8 0.0 6.0 3.2 11.5 2.3 4.6 6.0 4.1 0.9 0.9 10.1 7.8 3.7 1.8 3.2 8.8


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
1687 2742 482 519 7