Human AIOLOS (IKZF3) ORF clone (pcDNA3.1/C-(k)DYK-IKZF3, NM_012481) was purchased from GenScript and subcloned into the mammalian expression vector pFlag-CMV2 (Sigma-Aldrich) and pcDNA3-HA using KpnI/XbaI and EcoRI/XhoI sites, respectively. Indicated mutants for the IKZF3 were generated either by the 2 step PCR method or by the site-directed mutagenesis protocol using AccuPrime Pfx DNA Polymerase (Life technologies), followed by DpnI treatment (New England Biolabs). pCMV6-AC-Myc-DDK-Human IKZF1 (IKAROS, NM_006060) and pEGFP-C1-Sumo1 (NM_003352) used in this study were previously described (12 (link), 15 (link)). pCMV3-C-HA-human HDAC1 (NM_004964.2) and pCMV3-GFPSpark-Sumo2 (BC016775) were purchased from Sino Biological. pCMV6-Entry-IKZF2 (HELIOS, NM_016260) was purchased from Origene. pcDNA3.1/C-(k)DYK-Ubiquitin B was purchased from GenScript (UBB, NM_001281720). The detailed primer sequence information is presented in Supplemental Table 6.
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