2QFI

Structure of the zinc transporter YiiP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
5.856	78.998

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.66	α = 90
b = 110.839	β = 90
c = 130.662	γ = 90

Symmetry
Space Group	P 2 2 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		2006-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.0	NSLS	X25

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	3.8	30	97.3	0.129	0.129	13.3	6	16000	15534	2	2	100

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.8	4	91.9		0.429	0.429	1.9	3	1000

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	MIR	THROUGHOUT	3.8	12	16000	14484	775	100	0.32259	0.32223	0.32934	RANDOM	116.019

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]
10.48			3.47		-13.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.903
r_dihedral_angle_3_deg	26.532
r_dihedral_angle_4_deg	18.424
r_dihedral_angle_1_deg	15.721
r_mcangle_it	3.236
r_scangle_it	2.924
r_angle_refined_deg	2.834
r_mcbond_it	1.794
r_scbond_it	1.643
r_symmetry_vdw_refined	0.448
r_symmetry_metal_ion_refined	0.445
r_symmetry_hbond_refined	0.398
r_nbd_refined	0.384
r_nbtor_refined	0.347
r_xyhbond_nbd_refined	0.329
r_metal_ion_refined	0.265
r_chiral_restr	0.214
r_bond_refined_d	0.027
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4410
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	7

Software

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