5OV6:
reference: Structural studies of domain movement in active-site mutants of porphobilinogen deaminase from Bacillus megaterium., Guo J, Erskine P, Coker AR, Wood SP, Cooper JB, Acta Crystallogr F Struct Biol Commun. 2017 Nov 1;73(Pt 11):612-620. doi:, 10.1107/S2053230X17015436. Epub 2017 Oct 30. PMID: 29095155

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