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Inositol polyphosphate multikinase (IPMK) is a ubiquitously expressed kinase that has been linked to several cancers. Here, we report 14 new co-crystal structures (1.7Å - 2.0Å resolution) of human IPMK complexed with various IPMK inhibitors developed by another group. The new structures reveal two ordered water molecules that participate in hydrogen-bonding networks, and an unoccupied pocket in the ATP-binding site of human IPMK. New Protein Data Bank (PDB) codes of these IPMK crystal structures are: 8V6W (1.95Å), 8V6X (1.75Å), 8V6Y (1.70Å), 8V6Z (1.85Å), 8V70 (1.85Å), 8V71 (1.70Å), 8V72 (2.0Å), 8V73 (1.90Å), 8V74 (1.85Å), 8V75 (1.85Å), 8V76 (1.95Å), 8V77 (1.95Å), 8V78 (1.95Å), 8V79 (1.95Å).