Human QPCTL Recombinant Protein (N-His) is a recombinant protein expressed in E. coli, spanning His56-Leu382, with an N-terminal His tag. Predicted molecular weight: 38.98 kDa. Purity: >90% as determined by SDS-PAGE. Supplied lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Applications: ELISA, immunogen, SDS-PAGE and Western blot. Glutaminyl-peptide cyclotransferase-like protein is a ~42 kDa protein. Responsible for the biosynthesis of pyroglutamyl peptides. For research use only.