1V8I:
reference: Structural insights into the Thermus thermophilus ADP-ribose pyrophosphatase mechanism via crystal structures with the bound substrate and metal., Yoshiba S, Ooga T, Nakagawa N, Shibata T, Inoue Y, Yokoyama S, Kuramitsu S, Masui R, J Biol Chem 2004 Aug 27;279(35):37163-74. Epub 2004 Jun 21. PMID: 15210687

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