Table 2. Entries discarded from the molecular-replacement test set.

Count	Reason
1	Entry has been obsoleted in the PDB
1	Different cell or space group in the structure and data
3	Data completeness less than 90%
4	R free deemed to be too high (>0.06 × resolution/Å + 0.17)
1	Recalculated F-map correlation less than 0.2