5Y9Q:
reference: Structural and Biochemical Analysis of the Citrate-Responsive Mechanism of the Regulatory Domain of Catabolite Control Protein E from Staphylococcus aureus., Chen J, Shang F, Wang L, Zou L, Bu T, Jin L, Dong Y, Ha NC, Quan C, Nam KH, Xu Y, Biochemistry. 2018 Oct 3. doi: 10.1021/acs.biochem.8b00671. PMID: 30252448

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