Table 1.

Crystallographic data

Film no.	Defocus, nm	Repeat length, Å	No. repeats	Indexing* (n;1;1;0), (n;1;0;1)	No. of molecules	Average phase residual vs. reference† degrees	Average phase residual vs. average‡ degrees
k1806	1,793	2,082	4	(−20, 5), (10, 14)	1,068	39.6	38.7
k1833	1,940	1,715	2	(−22, 5), (10, 19)	594	47.9	46.8
k1834	1,558	2,437	2	(−21, 5), (10, 17)	536	56.7	35.8
Wild type§	—	1,715	6	(−20, 4), (10, 11)	2,134	—	—

^*According to the nomenclature of Toyoshima and Unwin (16). 

^† Average phase residual between the individual repeats and the alignment reference. 

^‡ Average phase residual of the Fourier–Bessel coefficients for all layer lines from an individual tube vs. the averaged Fourier–Bessel coefficients. 

^§ Average structure (15).