Table 2.

Single tandems and monomers do not give sustained currents

DNAs	Mean current	Number
	pA ± SEM
Control	600  ± 140	5
1t→2	0  ± 0	5
Control	680  ± 200	6
1t→2 + NR1	0  ± 0	5
Control	640  ± 240	5
1t→2 + NR2	0  ± 0	6
Control	630  ± 300	7
2t→1	360  ± 250*	6
Control	680  ± 200	5
2t→1 + NR1	60  ± 50	5
Control	800  ± 120	5
2t→1 + NR2A	0  ± 0	5

^*Currents from 2t→1 had rapid rundown.

The first column shows which subunit DNAs were included in transfections. The control is NR1 and NR2A, from the same set of experiments in which tandem recordings were done. In each case the TM4-tail DNAs were included in each mix for each subunit truncated in tandems. Currents are rounded to 10 pA.