Table 3. Fiber diffraction analysis of MTs in various nucleotide-bound states.

	GDP	GDP-Tx	GDP-BeF3-	GTP-BeF3-	GDP- AlFx	GTP-AlFx	GMPCPP	GMPPCP	GMPCP
radius (nm)	11.42 ± 0.10	10.87 ± 0.10	11.21 ± 0.25	11.16 ± 0.10	11.25 ± 0.84	11.18 ± 0.12	11.63 ± 0.10	11.62 ± 0.59	11.75 ± 0.53
avg. PF number	12.91 ± 0.10	12.37 ± 0.10	12.29 ± 0.20	12.23 ± 0.10	13.43 ± 1.12	13.35 ± 0.13	13.29 ± 0.08	13.03 ± 0.91	13.55 ± 0.45
inter-PF distances (nm)	5.50 ± 0.03	5.45 ± 0.01	5.67 ± 0.09	5.67 ± 0.02	5.21 ± 0.46	5.22 ± 0.05	5.45 ± 0.03	5.55 ± 0.38	5.40 ± 0.02
avg. monomer length (nm)	4.06 ± 0.01	4.18 ± 0.01	4.07 ± 0.01	4.07 ± 0.01	4.05 ± 0.05	4.05 ± 0.01	4.18 ± 0.01	4.06 ± 0.01	4.17 ± 0.01
1 nm band peak position (nm−1)	6.19 ± 0.01	6.02 ± 0.01	6.17 ± 0.01	6.17 ± 0.01	6.20 ± 0.05	6.20 ± 0.01	6.02 ± 0.01	6.20 ± 0.01	6.03 ± 0.01

^*Values are Avg ± StdErr.