2XSU:
reference: X-ray crystallography, mass spectrometry and single crystal microspectrophotometry: A multidisciplinary characterization of catechol 1,2 dioxygenase., Micalella C, Martignon S, Bruno S, Pioselli B, Caglio R, Valetti F, Pessione E, Giunta C, Rizzi M, Biochim Biophys Acta. 2010 Sep 22. PMID: 20869471

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