1XSM:
reference: The three-dimensional structure of mammalian ribonucleotide reductase protein R2 reveals a more-accessible iron-radical site than Escherichia coli R2., Kauppi B, Nielsen BB, Ramaswamy S, Larsen IK, Thelander M, Thelander L, Eklund H, J Mol Biol 1996 Oct 11;262(5):706-20. PMID: 8876648

This OCA Structure page
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