Table 1.

Concentrations (μm/L) of the principal species in the spine at rest, immediately, and 60 min after 1, 5, 10 Hz stimulation in WT

Species	t = 0	1 Hz		5 Hz		10 Hz
		t = 900a	t = 3600	t = 180a	t = 3600	t = 90a	t = 3600
Ca2+	0.10	0.80	0.10	1.0	0.10	0.10	0.10
CaM	0.90	0.90	0.90	0.89	0.90	0.92	0.90
CaCaM	9.0 × 10−7	2.5 × 10−4	9.0 × 10−7	6.0 × 10−4	9.0 × 10−7	9.9 × 10−7	9.0 × 10−7
Ng	0.77	0.77	0.77	0.77	0.77	0.77	0.77
CaM·Ng	0.23	0.23	0.23	0.23	0.23	0.23	0.23
CaCaM·Ng	2.3 × 10−7	6.4 × 10−7	2.3 × 10−7	2.8 × 10−5	2.3 × 10−7	2.5 × 10−7	2.3 × 10−7
CaN*	4.5 × 10−4	9.6 × 10−3	4.5 × 10−4	0.13	4.5 × 10−	5.0 × 10−4	4.5 × 10−4
PP1act	9.0 × 10−5	2.7 × 10−3	9.0 × 10−5	2.8 × 10−2	9.0 × 10−5	1.0 × 10−4	9.0 × 10−5
CaMKIIact	1.8 × 10−4	4.9 × 10−3	1.8 × 10−4	0.41	1.8 × 10−4	3.3 × 10−3	1.8 × 10−4
R	0.30	3.5 × 10−2	0.19	4.8 × 10−4	0.17	6.4 × 10−3	0.18
Rp	6.9 × 10−2	3.7 × 10−2	4.2 × 10−2	2.2 × 10−2	3.8 × 10−2	4.6 × 10−3	4.1 × 10−2
Rps	0.34	0.16	0.21	3.3 × 10−2	0.19	2.3 × 10−2	0.20
SAP97p·Rps	1.9 × 10−2	0.12	5.8 × 10−2	0.25	0.10	0.49	0.18
Rd	0.18	0.73	0.69	0.88	0.80	0.78	0.71
Rf	2.0 × 10−4	5.3 × 10−4	1.2 × 10−4	1.4 × 10−4	5.7 × 10−5	7.1 × 10−6	4.4 × 10−5
SAP97	0.70	0.61	0.69	0.44	0.69	0.32	0.68
SAP97p	5.6 × 10−6	1.3 × 10−4	5.7 × 10−6	8.1 × 10−3	5.8 × 10−6	4.8 × 10−5	6.0 × 10−6

^aEnd of stimulation.