3FN8

Crystal Structure of MerB complexed with mercury

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	283	2 microliter protein (in 20 mM tris pH 8, 0.5 mM EDTA, 5% v/v glycerol) mixed with 2 microliter precipitant (40% w/v PEG 550 monomethylether, 100 mM Magnesium chloride, 100 mM 2-[N-morpholino]ethanesulfonic acid monohydrate) over 1ml well of 40% w/v PEG 550 monomethylether, VAPOR DIFFUSION, HANGING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.638	α = 90
b = 88.972	β = 97.16
c = 54.68	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARRESEARCH	mirrors	2003-11-15	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	Nonius Kappa CCD	monochromator	2003-10-15	M	SINGLE WAVELENGTH
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	1.0073	APS	19-BM
2	ROTATING ANODE	ENRAF-NONIUS FR591	1.54184

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1,2	1.87	50	65.9	0.071	0.071	29.67	7.7	20330	20330	-1	-1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.87	1.94	3.8		2.1	1.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MAD	1.88	46.32	20230	20230	1021	67.4	0.187	0.184	0.248	39.61

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
3.87		1.43	-2.26		-1.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.284
r_dihedral_angle_4_deg	14.131
r_dihedral_angle_3_deg	13.694
r_dihedral_angle_1_deg	5.163
r_scangle_it	3.013
r_scbond_it	1.922
r_angle_refined_deg	1.063
r_mcangle_it	0.738
r_mcbond_it	0.42
r_nbtor_refined	0.293
r_nbd_refined	0.183
r_symmetry_vdw_refined	0.156
r_xyhbond_nbd_refined	0.106
r_symmetry_hbond_refined	0.105
r_chiral_restr	0.069
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3190
Nucleic Acid Atoms
Solvent Atoms	283
Heterogen Atoms	14

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection