Author response image 1. Commd2-Commd10 co-purification.
GST-Commd2 was co-expressed with Commd9-His, proteins were then purified by GST-affinity chromatography, thrombin cleavage and then His-tag affinity chromatography. The two proteins co-purify in a stable heterodimer (Commd10-His is the upper band and cleaved Commd2 is the lower band.