6CCZ:
reference: Chloroplastic Serine Hydroxymethyltransferase From Medicago truncatula: A Structural Characterization., Ruszkowski M, Sekula B, Ruszkowska A, Dauter Z, Front Plant Sci. 2018 May 11;9:584. doi: 10.3389/fpls.2018.00584. eCollection, 2018. PMID: 29868052

This OCA Structure page
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