Recombinant Campylobacter jejuni CdtB, fused with His tag, was expressed in E.coli.
20mM Tris-HCl buffer (pH 8.0) containing 0.2M NaCl, 2mM DTT.
>90% determined by SDS-PAGE.
For short term, storage it at +4°C, For long term storage, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles.