5Z7R:
reference: Structural insights into substrate specificity of crotonase from the n-butanol producing bacterium Clostridium acetobutylicum., Kim EJ, Kim YJ, Kim KJ, Biochem Biophys Res Commun. 2014 Aug 29;451(3):431-5. doi:, 10.1016/j.bbrc.2014.07.139. Epub 2014 Aug 7. PMID: 25110148

This OCA Structure page
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