Table 1. Performance of Fragon against two test sets.

Test set	Resolution range (Å)	No. of structures	Search fragment	Copies	Runs	Solutions	Successful runs	No. solved
Mixed α/β	1.00–1.20	27	α-Helix	1	216	10603	168	24
	1.21–1.49	37			296	20675	138	22
	1.50–1.70	39			312	23335	48	9
	1.00–1.20	3†		2	24	2269	0	0
	1.21–1.49	15†			120	9993	12	3
	1.50–1.70	30†			240	21123	16	5
Total		103			1208	87998	382	63
All-β	0.97‡–1.20	20	β-Strand	1	60	4781	15	6
	1.00–1.20	14§	Two β-strands	1	196	16213	17	7
	1.21–1.49	28			392	31946	14	7
	1.50–1.70	26			364	28760	5	2
Total		74			1012	81700	51	22

^†Test cases that were solved by searching for one copy of an ideal α-helix were not tested.

^‡One test case has a reported resolution of 1.0 Å, but the deposited data extend to 0.97 Å.

^§Test cases that were solved by searching with a single β-strand were not tested.