1LW7:
reference: Crystal structure of Haemophilus influenzae NadR protein. A bifunctional enzyme endowed with NMN adenyltransferase and ribosylnicotinimide kinase activities., Singh SK, Kurnasov OV, Chen B, Robinson H, Grishin NV, Osterman AL, Zhang H, J Biol Chem 2002 Sep 6;277(36):33291-9. Epub 2002 Jun 14. PMID: 12068016

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