Nondenaturing PAGE analysis of Scaf3-(6At/5Dc). Lane 1, Scaf3 alone; lane 2, 5Dc alone; lane 3, 6At alone; lane 4, Scaf3 plus 6At; lane 5, Scaf3 plus 5Dc; lane 6, Scaf3 plus 6At plus 5Dc. In each lane, equimolar concentrations (10 μmol/liter) of the indicated proteins were used.