7XCN

Crystal structure of the MttB-MttC complex at 2.7 A resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2830.5 ul MttB (3 mg/ml in 16mM potassium phosphate buffer pH7.4, 400mM NaCl, 160mM Imidazole, 20% glycerol, 1.6mM DTT) 0.5 ul MttC (10 mg/ml in 40 mM Tris buffer pH7, 200mM NaCl, 20% glycerol) 1 ul reservoir solution (18% PEG 8000, 0.1M citric acid pH 5, 1M LiC)
Crystal Properties
Matthews coefficientSolvent content
2.6753.99

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.434α = 90
b = 188.138β = 119.25
c = 123.952γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-3002019-06-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSRRC BEAMLINE TPS 05A0.99984NSRRCTPS 05A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
12.72099.80.0780.0920.0499.13.5132103
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.751000.5740.6820.3640.733.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3EZX2.72012490910543950.19150.238246.9495
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]
-0.684-1.2050.4630.222
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it9.836
c_scbond_it7.77
c_mcangle_it6.653
c_mcbond_it4.745
c_angle_d1.253
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32140
Nucleic Acid Atoms
Solvent Atoms373
Heterogen Atoms564

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data scaling
PDB_EXTRACTdata extraction
HKL-2000data reduction
PHASERphasing