Cyclophilins possess the activity of peptidyl-prolyl cis-trans isomerase (PPIase) and are involved in cellular protein folding and protein interactions. PPIE contains two RNA binding domains at the N- terminal region and a PPIase domain at the C-terminal region. It was not known what cellular and physiological roles of PPIE.
Source: Recombinant human PPIE, his tagged, expressed in E. coli (1-301aa).
Enzyme Activity:Specific activity is > 210 nmoles/min/ug, and is defined as the amount of enzyme that cleaves 1umole of suc-AAFP-pNA per minute at 1C in Tris-Hcl pH8.0 using chymotrypsin.
Storage and Stability:Storage and Stability:For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.