Limit of 1 per order. Although this product is free of charge, freight charges will apply. For US customers, available via phone ordering only (1-800-632-5227). For international customers, please contact your local NEB subsidiary or distributor.
A suspension of E.coli strain ER2507 which has been grown in LB medium and brought to 50% glycerol. This strain is a derivative of RR1. The malE gene, which encodes maltose-binding protein, is deleted as part of the malB deletion.