Biochemical Properties


Protein Name: type II/IV secretion system transmembrane protein

Strain: Natronomonas pharaonis DSM 2160


Number of amino acids: 568

Molecular weight: 58472.9

Theoretical pI: 6.82

Total number of negatively charged residues (Asp + Glu): 59

Total number of positively charged residues (Arg + Lys): 59

Instability index:The instability index (II) is computed to be 37.12

This classifies the protein as stable

Aliphatic index: 105.44

Grand average of hydropathicity (GRAVY): 0.354

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
19.5 10.4 1.1 5.3 0.7 0.4 5.1 10.7 0.4 2.6 11.3 0.0 0.7 3.0 4.6 4.0 6.7 0.9 1.8 10.9


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
2585 4206 762 766 8