4ADZ:
reference: The response to copper stress in Streptomyces lividans extends beyond genes under the direct control of a Copper sensitive operon Repressor protein (CsoR)., Dwarakanath S, Chaplin AK, Hough MA, Rigali S, Vijgenboom E, Worrall JA, J Biol Chem. 2012 Mar 26. PMID: 22451651

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