Table 1:

Experimentally determined structures of MerF and MerP.

PDB entry	Author, Year	Technique	Sequence length	Notes
MerF
1WAZ	Howell, 2005	Solution NMR	46
2H3O	De Angelis, 2006	Solid-state NMR	61
2LJ2	Das, 2012	Solid-state NMR	60
2M67	Lu, 2013	Solid-state NMR	81
2MOZ	Tian, 2014	Solid-state NMR	81
MerP
1AFI	Steele, 1997	Solution NMR	72	Reduced form
1AFJ	Steele, 1997	Solution NMR	72	Hg2+-bound
2HQI	Qian, 1998	Solution NMR	72
1DVW	Veglia, 2000	Solution NMR	18	Hg2+-bound
1OSD	Serre, 2004	X-ray diffraction	87	Oxidized (disulfide)