Biochemical Properties


Protein Name: RPOA_CHRSD RecName: Full=DNA-directed RNA polymerase subunit alpha; Short=RNAP subunit alpha; AltName: Full=RNA polymerase subunit alpha; AltName: Full=Transcriptase subunit alpha

Strain: Chromohalobacter salexigens DSM 3043


Number of amino acids: 333

Molecular weight: 37021.8

Theoretical pI: 4.68

Total number of negatively charged residues (Asp + Glu): 65

Total number of positively charged residues (Arg + Lys): 39

Instability index:The instability index (II) is computed to be 51.22

This classifies the protein as unstable

Aliphatic index: 106.28

Grand average of hydropathicity (GRAVY): -0.302

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
8.7 6.9 3.6 8.1 0.6 3.3 11.4 5.4 2.1 6.6 11.7 4.8 1.5 1.5 3.9 5.4 3.6 0.3 1.5 9.0


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
1615 2640 456 522 7