Table A4.

Electron-capture dissociation of [α-syn + Cu(II)].

Ion	Exact m/z	Observed m/z	Error (ppm)
[c6]+	769.3736	769.3736	0.0
[c9]+	1026.5111	1026.5095	1.6
[c17+Cu(II)]2+	935.4487	935.4486	0.1
[c22+Cu(I)]2+	1186.0824	1186.0817	0.5
[c28+Cu(I)]2+	1492.2439	1492.2419	1.4
[c31+Cu(I)]2+	1591.7918	1591.7892	1.6
[c23+Cu(II)]3+	833.4197	833.4196	0.2
[c28+Cu(II)]3+	994.8291	994.8276	1.5
[c31+Cu(II)]3+	1061.1943	1061.1922	2.0
[c33+Cu(I)]3+	1137.9112	1137.9096	1.4
[c35+Cu(I)]3+	1223.6237	1223.6213	1.9
[c38+Cu(I)]3+	1313.3483	1313.3462	1.6
[c39+Cu(I)]3+	1367.7028	1367.7026	0.1
[c46+Cu(I)]3+	1610.8368	1610.8379	−0.7
[c38+Cu(I)]4+	985.2631	985.2613	1.8
[c39+Cu(I)]4+	1026.0289	1026.0269	1.9
[c50+Cu(II)]5+	1045.1469	1045.1460	0.9
[c57+Cu(II)]5+	1170.6114	1170.6118	−0.3
[c61+Cu(I)]5+	1268.0690	1268.0696	−0.4
[c68+Cu(II)]7+	999.5258	999.5248	1.1
[c75+Cu(II)]7+	1089.1486	1089.1479	0.6
[c75]7+	1080.4466	1080.4454	1.1
[c95+Cu(II)]9+	1050.5581	1050.5583	−0.2
[c96+Cu(II)]9+	1064.7909	1064.7905	0.4
[c139+Cu(I)]11+	1313.8364	1313.8377	−1.0
[z4+H]+	429.1748	429.1749	−0.3
[z46+H]3+	1723.0915	1723.0913	0.1
[z45+H]3+	1690.0687	1690.0696	−0.5
[z57+H]4+	1518.4317	1518.4329	−0.8
[z65+H]5+	1380.2378	1380.2380	−0.2
[z102+H]8+	1323.1481	1323.1489	−0.6
[z101+H]8+	1302.7652	1302.7661	−0.8
[z113]9+	1296.5308	1296.5318	−0.8
[z112+H]9+	1282.3046	1282.3062	−1.2
[z102+H]9+	1176.2435	1176.2431	0.4
[z140+Cu(I)]10+	1450.6188	1450.6190	−0.1
[z140+Cu(I)]11+	1318.8360	1318.8374	−1.1
[z140+Cu(I)]12+	1209.0169	1209.0177	−0.7
Average			0.33
Standard Dev			0.98