2IF6

Crystal structure of metalloprotein yiiX from Escherichia coli O157:H7, DUF1105

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	294	100 mM Hepes pH 7.0, 30% Jeffamine ED-2001, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.345	α = 90
b = 152.594	β = 92.67
c = 48.74	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	77	CCD	MAR CCD 165 mm		2006-08-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97958	APS	31-ID

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	1.8	20	93.2	0.111	0.122	12.1	5.1	40462	40462			19.6

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	1.8	1.9	79.9		0.709	0.813	2.3	3.7	5019

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.8	20	40348	40348	1999	92.84	0.18117	0.18117	0.17861	0.23103	RANDOM	24.363

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]
-1.61		-0.11	0.07		1.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.909
r_dihedral_angle_4_deg	19.338
r_dihedral_angle_3_deg	13.285
r_dihedral_angle_1_deg	6.01
r_scangle_it	4.344
r_scbond_it	2.72
r_mcangle_it	1.552
r_angle_refined_deg	1.421
r_mcbond_it	1.022
r_nbtor_refined	0.31
r_xyhbond_nbd_refined	0.222
r_nbd_refined	0.2
r_symmetry_hbond_refined	0.181
r_symmetry_vdw_refined	0.145
r_metal_ion_refined	0.101
r_chiral_restr	0.098
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
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_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	2937
Nucleic Acid Atoms
Solvent Atoms	440
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing