6GDV:
reference: Functional and structural characterization of PII-like protein CutA does not support involvement in heavy metal tolerance and hints at a small-molecule carrying/signaling role., Selim KA, Tremino L, Marco-Marin C, Alva V, Espinosa J, Contreras A, Hartmann MD, Forchhammer K, Rubio V, FEBS J. 2020 Jun 29. doi: 10.1111/febs.15464. PMID: 32599651

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