4JNQ

Crystal structure of a thioredoxin reductase from Brucella melitensis

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	BrmeA.00058.a.A1 PS01310 at 21.1 mg/mL with 2 mM ebselen against Morpheus screen condition G1: 10% PEG20000, 20% PEG550 MME, 0.02 M sodium formate, 0.02 M ammonium acetate, 0.02 M trisodium citrate, 0.02 M sodium potassium L-tartrate, 0.02 M sodium oxamate, 0.1 M MES/imidazole, pH 6.5, crystal tracking ID 241371g1, unique puck ID qoj501, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.79	α = 90
b = 77.19	β = 90
c = 104.08	γ = 90

Symmetry
Space Group	P 2 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	RAYONIX MX-300		2013-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	99.9	0.051	24.46	7.3	34300	34271		-3	29.839

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	1.85	99.9		0.481	4

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1CL0	1.8	41.18	34224	1728	99.93	0.1639	0.1627	0.1846	RANDOM	25.1871

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]
-0.88			0.77		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.373
r_dihedral_angle_4_deg	17.32
r_dihedral_angle_3_deg	11.728
r_dihedral_angle_1_deg	5.611
r_mcangle_it	2.149
r_angle_refined_deg	1.483
r_mcbond_it	1.445
r_mcbond_other	1.414
r_angle_other_deg	0.768
r_chiral_restr	0.083
r_bond_refined_d	0.013
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2299
Nucleic Acid Atoms
Solvent Atoms	233
Heterogen Atoms	54

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction