3E1Q | pdb_00003e1q

Crystal structure of W133F variant E. coli Bacterioferritn with iron.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2QPI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.8	298	BFR PROTEIN WAS PRE-LOADED WITH IRON AND THEN CRYSTALLIZED OVERNIGHT IN 1.8 M AMMONIUM SULFATE, 0.1 M MES PH 5.8. PLEASE SEE THE ORIGINAL PAPER FOR FULL DETAILS., VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K, pH 5.80

Crystal Properties
Matthews coefficient	Solvent content
3.47	64.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 207.659	α = 90
b = 207.659	β = 90
c = 142.767	γ = 90

Symmetry
Space Group	P 42 21 2

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			2006-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.595	33.32	97.2	0.12	19.3	13.5		93115

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)
	2.6		84		0.383	3.9	6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2QPI	2.6	33.31	88403	4649	97.2	0.246	0.245	0.24	0.263	0.26	COPIED AND EXTENDED FROM 2QPI	9.85

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]
-0.03			-0.03		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.881
r_dihedral_angle_4_deg	22.806
r_dihedral_angle_3_deg	21.318
r_dihedral_angle_1_deg	4.597
r_scangle_it	3.5
r_scbond_it	2.197
r_angle_refined_deg	1.572
r_mcangle_it	1.342
r_mcbond_it	0.864
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.228
r_nbd_refined	0.22
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.131
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
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	15984
Nucleic Acid Atoms
Solvent Atoms	433
Heterogen Atoms	362

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling