G D Smith et al.
Acta crystallographica. Section D, Biological crystallography, 56(Pt 12), 1541-1548 (2000-11-28)
The structures of three R(6) human insulin hexamers have been determined. Crystals of monoclinic m-cresol-insulin, monoclinic resorcinol-insulin and rhombohedral m-cresol-insulin diffracted to 1. 9, 1.9 and 1.78 A, respectively, and have been refined to residuals of 0.195, 0.179 and 0.200