1XSB: Structure Of The Nudix Enzyme Ap4a Hydrolase From Homo Sapiens (E63a Mutant) In Complex With Atp. No Atp Restraints Included
reference: Structure and substrate-binding mechanism of human Ap4A hydrolase., Swarbrick JD, Buyya S, Gunawardana D, Gayler KR, McLennan AG, Gooley PR, J Biol Chem 2005 Mar 4;280(9):8471-81. Epub 2004 Dec 13. PMID: 15596429

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