a small trendp=3.8 × 10 –20
Properties of the apo/holo pairs The median resolution across our dataset was 1.6 Å with a small trend towards improved (higher) resolution in the apo structure (0.01 Å, median improvement [holo-apo]; p=3.8 × 10 –20 , Wilcoxon signed-rank test; Figure 1—figure supplement 3A and B ).