3KRO:
reference: Structure of a Heterotetrameric Geranyl Pyrophosphate Synthase from Mint (Mentha piperita) Reveals Intersubunit Regulation., Chang TH, Hsieh FL, Ko TP, Teng KH, Liang PH, Wang AH, Plant Cell. 2010 Feb 5. PMID: 20139160

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