2OGW

Structure of ABC type zinc transporter from E. coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	20% PEG 3350, 200mM ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.9	α = 90
b = 86.378	β = 90
c = 87.99	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 165 mm		2005-11-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	0.974	ELETTRA	5.2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.83	61.66	100	0.055	16.68	10.6	49689	47173

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.83	1.878	99		0.25	3.99	8.7	3441

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.83	61.66	49689	47173	2516	100	0.2254	0.22305	0.2686	RANDOM	17.809

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]
0.83			-0.27		-0.56

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.547
r_dihedral_angle_4_deg	18.903
r_dihedral_angle_3_deg	15.654
r_dihedral_angle_1_deg	5.843
r_scangle_it	3.894
r_scbond_it	2.549
r_mcangle_it	1.499
r_angle_refined_deg	1.489
r_mcbond_it	1.104
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.242
r_symmetry_hbond_refined	0.237
r_nbd_refined	0.226
r_xyhbond_nbd_refined	0.21
r_chiral_restr	0.11
r_metal_ion_refined	0.106
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4169
Nucleic Acid Atoms
Solvent Atoms	527
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SOLVE	phasing