2FMO:
reference: Structural Perturbations in the Ala --> Val Polymorphism of Methylenetetrahydrofolate Reductase: How Binding of Folates May Protect against Inactivation(,)., Pejchal R, Campbell E, Guenther BD, Lennon BW, Matthews RG, Ludwig ML, Biochemistry. 2006 Apr 18;45(15):4808-18. PMID: 16605249

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