Product Specifications SSL1/p44 (RECOMBINANT): Description: Protein produced in E. coli as Maltose Binding Protein (MBP) fusion. It is a subunit of the TF2H.Mol.Weight: 72+-5 KDa.Storage: Store at -80°C.Stability: At least 1 year at -80°C.Biological Activity: It mediates the associationof the XPD/ERCC2-CAK complex to core TFIIH to form holo-TFIIH.Formulation: 20% Glycerol solution at 0.20 mg/ml.