7JXG:
reference: A Model for the Solution Structure of Human Fe(II)-Bound Acireductone Dioxygenase and Interactions with the Regulatory Domain of Matrix Metalloproteinase I (MMP-I)., Liu X, Garber A, Ryan J, Deshpande A, Ringe D, Pochapsky TC, Biochemistry. 2020 Nov 10;59(44):4238-4249. doi: 10.1021/acs.biochem.0c00724., Epub 2020 Nov 2. PMID: 33135413

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