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. 2000 Aug 15;19(16):4204–4215. doi: 10.1093/emboj/19.16.4204

Table II. Heavy atom phasing statistics.

Data set pH Resolution (Å) Rderiva No. of heavy atom sites RCullisb Phasing power
K2HgCl2 4.5 2.8 0.16 4 0.75 2.0
K2HgCl2 6.0 2.8 0.32 10 0.78 1.8
KAuCl4 4.5 2.8 0.12 10 0.83 1.4
K2HgCl2/KAuCl4 4.5 2.8 0.24 8 0.78 2.2

aRderiv = Σ|FPH – FP|/ΣFP

bRCullis = Σ||FPH ± FP| – FH (calc)/Σ|FPH ± FP| (for centric reflections only).