Crysfire / Chekcell: indexing powder Protein data
Using the “Rescale” feature in Crysfire
Finds the correct rhombohedral cell as published in:
R. B. Von Dreele, P. W. Stephens, G. D. Smith and R. H. Blessing, "The first protein crystal structure determined from high-resolution X-ray powder diffraction data: a variant of T3R3 human insulin-zinc complex produced by grinding", Acta Cryst. (2000). D56, 1549-1553.