Biochemical Properties


Protein Name: SYFA_AZOVD RecName: Full Phenylalanine--tRNA ligase alpha subunit; AltName: Full Phenylalanyl-tRNA synthetase alpha subunit; Short PheRS

Strain: Azotobacter Vinelandii


Number of amino acids: 338

Molecular weight: 37738.1

Theoretical pI: 5.82

Total number of negatively charged residues (Asp + Glu): 43

Total number of positively charged residues (Arg + Lys): 34

Instability index:The instability index (II) is computed to be 33.87

This classifies the protein as stable

Aliphatic index: 82.51

Grand average of hydropathicity (GRAVY): -0.203

Amino acid composition (%):

Ala Arg Asn Asp Cys Gln Glu Gly His Ile Leu lys Mcf Phe Pro Ser Thr Trp Tyr Val
9.6 8.1 2.0 7.1 1.0 3.4 7.8 7.4 1.9 5.2 10.0 4.6 2.7 5.1 5.8 4.4 3.7 0.5 2.5 7.1


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
1670 2613 471 490 19