6VI7:
reference: Observing 3-hydroxyanthranilate-3,4-dioxygenase in action through a crystalline lens., Wang Y, Liu KF, Yang Y, Davis I, Liu A, Proc Natl Acad Sci U S A. 2020 Jul 30. pii: 2005327117. doi:, 10.1073/pnas.2005327117. PMID: 32732435

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