6GDF:
reference: Pressure-induced activation of latent Dihydroorotase from Aquifex aeolicus as revealed by high pressure protein crystallography., Prange T, Girard E, Fourme R, Dhaussy AC, Edwards B, Vaishnav A, Patel C, Guy-Evans H, Herve G, Evans D, FEBS J. 2019 Jan 18. doi: 10.1111/febs.14758. PMID: 30657257

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