Table 1. Structural statistics for the refined NMR structures of darcin and MUP11.

NMR constraints		darcin	MUP11
	Total number of distance constraints	3148	3833
	Short range (|ij|≤1)	1592	1883
	Medium range (1<|ij|<5)	359	595
	Long range (|ij|≥5)	1197	1355
Structure statistics (20 structures)
	Average number of NOE violations> 0.3Å	0	0
	NOE violations> 0.3Å	0	0
	Maximum NOE violation	0	0
Ramachandran statistics
	Residues in most favoured regions	81.9	81.1
	Residues in additional allowed regions	17.9	17.3
	Residues in generously allowed regions	0.0	1.0
	Residues in disallowed regions	0.2	0.6
RMS Deviations * from the mean structure
	Protein backbone (residues 12-152)	0.35Å	0.34Å
	Protein heavy atoms (residues 12-152)	1.00Å	0.98Å

*Quoted Root-Mean-Square Deviation (RMSD) is derived from comparison of closest-to-mean structure; i.e. representative structure, of each ensemble.