| 4AFF: reference: An engineered PII protein variant that senses a novel ligand: atomic resolution structure of the complex with citrate., Zeth K, Fokina O, Forchhammer K, Acta Crystallogr D Biol Crystallogr. 2012 Aug;68(Pt 8):901-8. Epub 2012 Jul 17. PMID: 22868755 |
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