Updated publication reference for PubMed record(s): 30622175. Putative binding partners of IQGAP-related protein IqgC were identified by LC-MS/MS. Recombinant GST-tagged IqgC was purified from E. coli and immobilised to glutathione agarose. Interactors from cell lysate of D discoideum AX2 cells were applied to prepared affinity resin and bound proteins were identified by LC-MS/MS.