3E2C

Escherichia coli Bacterioferritin Mutant E128R/E135R

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	303.15	20% PEG 4000, 0.2M Li2SO4, 0.1M Tris HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 303.15K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.639	α = 90
b = 91.089	β = 90
c = 102.085	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	ADSC QUANTUM 4	mirrors	2006-02-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.979	SSRL	BL1-5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	50	99.6	0.048		7.1		29870

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.86	98.7		0.257		6.6	2911

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.8	45.54	29804	1507	99.45	0.203	0.202	0.228	RANDOM	25.269

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]
1.74			-1.27		-0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.571
r_dihedral_angle_4_deg	17.402
r_dihedral_angle_3_deg	14.282
r_dihedral_angle_1_deg	4.542
r_scangle_it	2.751
r_scbond_it	1.722
r_angle_refined_deg	1.063
r_mcangle_it	1.031
r_mcbond_it	0.554
r_nbtor_refined	0.302
r_symmetry_vdw_refined	0.24
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.167
r_xyhbond_nbd_refined	0.164
r_metal_ion_refined	0.125
r_chiral_restr	0.063
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2606
Nucleic Acid Atoms
Solvent Atoms	228
Heterogen Atoms	114

Software

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