Table 2. Structure solution and refinement.

PDB code	7kty	7ku1	7ku2	7ku3	7ktz	7ku0
Description	Average	Green	Red	Cyan	Purple	Yellow
Final R work (%)	19.13	22.08	20.97	18.15	16.18	16.74
Final R free (%)	20.19	26.37	23.42	21.01	19.01	19.41
No. of non-H atoms
Protein	1786	1771	1778	1794	1786	1786
Ligand	15	5	5	15	15	15
Water	99	10	44	195	249	243
Total	1900	1786	1827	2004	2050	2044
R.m.s. deviations
Bonds (Å)	0.01	0.01	0.01	0.01	0.01	0.01
Angles (°)	0.86	1.00	0.86	0.77	0.80	0.74
Average B factors (Å2)
Protein	57.9	67.4	58.7	36.6	28.1	28.8
Ligand	63.0	83.9	75.7	40.7	40.7	34.8
Water	58.7	63.0	56.1	42.3	37.1	36.8
Ramachandran plot (%)
Favored	97.47	96.20	97.06	97.47	98.31	98.73
Allowed	1.69	2.95	2.52	2.11	1.27	0.84