Figure 6.

Packing score distributions of predicted and experimental structures. Density plots of the packing score for different X-ray resolution bins as well as for NMR structures and CASP7 models submitted by all groups. Very high-resolution crystal structures (sub-1.0 Å) have systematically better packing scores than all other structures; a 95 percentile structure between 1.0 and 2.0 Å resolution would be merely average for 1.0 Å or better resolution. Similarly, a 95th percentile NMR structure would be average among 1 to 2 Å crystal structures. The computationally generated fullatom models submitted to CASP7 are much worse than experimentally solved structures.