Table 2. Effect of Zn²⁺ on oocytes co-expressing ASIC1a and ASIC2a, on 1a-2a-1a and on 1a-2a-2a concatamers.

	EC50		Hill-coeff.
	−Zn2+	+Zn2+	−Zn2+	+Zn2+
1a/2a	5.9 ± 0.1	6.1 ± 0.03	1.0 ± 0.1 (12)	1.4 ± 0.1 (10)
1a-2a-1a	5.8 ± 0.04	6.1 ± 0.02	1.4 ± 0.1 (12)	2.2 ± 0.1 (12)
1a-2a-2a	5.7 ± 0.04	5.9 ± 0.03	1.2 ± 0.1 (12)	1.1 ± 0.1 (12)