6F30:
reference: Crystal structure and substrate binding mode of ectonucleotide phosphodiesterase/pyrophosphatase-3 (NPP3)., Dohler C, Zebisch M, Strater N, Sci Rep. 2018 Jul 18;8(1):10874. doi: 10.1038/s41598-018-28814-y. PMID: 30022031

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