6ABW:
reference: Crystal structure and biochemical properties of msed_0281, the citrate synthase from Metallosphaera sedula., Lee SH, Kim KJ, Biochem Biophys Res Commun. 2019 Jan 2. pii: S0006-291X(18)32860-2. doi:, 10.1016/j.bbrc.2018.12.172. PMID: 30611567

This OCA Structure page
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