Table 2.

Phase calculation, modification and autotracing statistics.

SHARP		DM				ARP/wARP
Resolution (Å)	No. of wavelengths	Resolution (Å)	NCS	No. of cycles	Correlation coefficient	No. of cycles to obtain 0.9 connectivity	No. of amino acids traced in 500 cycles
3.4	2	1.9	+	100	0.71	70	400
3.4	2	1.9	+	10	0.64	150	400
3.4	2	2.1	+	100	0.68	180	370
4.0	2	1.9	+	100	0.56	670	390†
3.4	1	1.9	+	100	0.65	90	400
3.4	2	2.3	+	100	0.65	(0.64)‡	160
3.4	3	1.9	+	100	0.32	(0.54)‡	70
3.4	2	1.9	−	8§	0.51	(0.52)‡	60
3.4	2	1.9	−	100	0.49	(0.50)‡	50

^†Traced in 1000 cycles.

^‡Maximum connectivity achieved in 500 cycles is shown in parentheses.

^§DM protocol with AUTO mode for number of cycles.