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Application of Known Triplet Phases in the Crystallographic Study of Bovine Pancreatic Trypsin Inhibitor. II: Study at 2.0 Å Resolution
1998
Acta Crystallographica Section D: Biological Crystallography
Direct methods strengthened by the application of about 130 triplet phases, assumed known with a mean error of about -t-20 ~, were used to re-determine the structure of BPTI with data at 2.0 A resolution. The triplet phases served to shift the mean direction and enhance the concentration parameter in the corresponding Cochran distributions. These phases were used in combination with the partial structure extracted from successive density maps to control the gradual expansion and refinement of
doi:10.1107/s0907444997008901
pmid:9761888
fatcat:3s5qwjw74fbeplqeabds6sn6pi