| Complex | Experimental Mr, kDa | Supposed stoichiometry | Calculated Mr, kDa |
| р50-GST + III, C1 | 152 | (р50-GST)2・DNA | 147 |
| р50-GST + III, C2 | 302 | (р50-GST)4・(DNA)2 | 293 |
| p65-GST + III, C1 | 137 | (р65-GST)2・DNA | 130 |
| р65-GST + III, C2 | 282 | (р65-GST)4・(DNA)2 | 260 |