4RGC: 277k Crystal Structure Of Escherichia Coli Dihydrofolate Red
reference: Toward resolving the catalytic mechanism of dihydrofolate reductase using neutron and ultrahigh-resolution X-ray crystallography., Wan Q, Bennett BC, Wilson MA, Kovalevsky A, Langan P, Howell EE, Dealwis C, Proc Natl Acad Sci U S A. 2014 Dec 1. pii: 201415856. PMID: 25453083

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