Table 1. Structure factors for rat and mouse PNS and CNS myelin versus %D₂O.

		Average Fh with assigned phase and uncertainty†
Sample	Bragg order h	100% D2O	80% D2O	60% D2O	43% D2O	20% D2O	0%D2O
Rat sciatic nerve	1	0.138 (0.002)	0.087 (0.002)	0.068 (0.003)	0.049 (0.004)		0.009 (0.001)
	2	1.000 (0.003)	0.796 (0.003)	0.593 (0.005)	0.419 (0.005)	0.185 (0.003)	0.017 (0.001)
	3	0.169 (0.004)	0.129 (0.004)	0.096 (0.006)	0.069 (0.006)	0.039 (0.004)	0.017 (0.002)
	4	0.081 (0.004)	0.100 (0.005)	0.094 (0.007)	0.095 (0.007)	0.090 (0.004)	0.095 (0.002)
	5	0.054 (0.006)					0.051 (0.002)
	6	0.123 (0.005)	0.106 (0.006)	0.088 (0.008)	0.049 (0.009)	0.049 (0.005)	0.036 (0.003)
	7	0.081 (0.006)	0.058 (0.006)	0.062 (0.009)	0.048 (0.010)	0.041 (0.005)
	8						0.0339 (0.003)
Rat optic nerve	1	0.071 (0.003)	0.045 (0.003)	0.048 (0.003)	0.050 (0.002)	0.045 (0.004)	0.020 (0.001)
	2	1.000 (0.004)	0.805 (0.005)	0.609 (0.005)	0.443 (0.002)	0.219 (0.006)
	4	0.062 (0.006)	0.032 (0.006)		0.060 (0.003)	0.081 (0.008)	0.076 (0.002)
	6	0.111 (0.007)	0.113 (0.008)	0.108 (0.008)	0.050 (0.004)
Mouse sciatic nerve	1	0.151 (0.004)	0.126 (0.005)	0.079 (0.004)	0.072 (0.005)
	2	1.000 (0.006)	0.794 (0.007)	0.587 (0.006)	0.412 (0.007)	0.175 (0.005)
	3	0.169 (0.007)	0.147 (0.008)	0.127 (0.008)	0.098 (0.009)
	4	0.075 (0.008)	0.084 (0.009)	0.105 (0.009)	0.107 (0.010)	0.096 (0.007)
	5	0.057 (0.009)	0.069 (0.010)		0.073 (0.012)
	6	0.122 (0.010)	0.091 (0.011)	0.073 (0.011)
	7	0.061 (0.010)	0.065 (0.012)	0.053 (0.012)
Mouse spinal cord	1	0.236 (0.002)			0.083 (0.001)
	2	1.000 (0.003)			0.438 (0.002)
	4	0.033 (0.006)			0.048 (0.004)
	6	0.092 (0.007)

^†Uncertainty in F_h is denoted by counting statistics (values in parentheses).