4JR9

Crystal structure of nitrate/nitrite exchanger NarK


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TT1PDB entries 3TT1, 1F8T, 3TT3, 1MRC
experimental modelPDB 1F8TPDB entries 3TT1, 1F8T, 3TT3, 1MRC
experimental modelPDB 3TT3PDB entries 3TT1, 1F8T, 3TT3, 1MRC
experimental modelPDB 1MRCPDB entries 3TT1, 1F8T, 3TT3, 1MRC

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP3.527728% PEG400, 0.1 M citric acid pH 3.5, 0.1M NaCl, 0.1M Li2SO4, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
4.0669.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 138.266α = 90
b = 86.545β = 115.41
c = 144.789γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152012-07-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.20.999973ALS8.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.65099.50.09719.87.1476061.565
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.62.6493.20.8921.54.62237

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entries 3TT1, 1F8T, 3TT3, 1MRC2.6504747145063240899.450.230540.228890.26132RANDOM66.779
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]
-2.45-0.56-1.33.26
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.604
r_dihedral_angle_3_deg19.707
r_dihedral_angle_4_deg18.506
r_dihedral_angle_1_deg5.707
r_angle_refined_deg1.312
r_chiral_restr0.086
r_bond_refined_d0.008
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6273
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms13

Software

Software
Software NamePurpose
BOSdata collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling