4PPQ

Mycobacterium tuberculosis RecA citrate bound low temperature structure IIA-CR


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.829815% PEG 3350, 10% PEG 5000 MME, 0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.160.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 106.47α = 90
b = 106.47β = 90
c = 70.51γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateMIRRORS2012-02-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.54179

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.8556.010.17115.610.51067442.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.8530.892.79.71540

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 ENTRY 1G192.85309613105699.180.199870.194220.25278RANDOM41.95
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]
-0.36-0.36-0.361.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.607
r_dihedral_angle_4_deg22.265
r_dihedral_angle_3_deg16.182
r_dihedral_angle_1_deg4.894
r_angle_refined_deg1.004
r_angle_other_deg0.709
r_chiral_restr0.059
r_bond_refined_d0.006
r_gen_planes_refined0.003
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.607
r_dihedral_angle_4_deg22.265
r_dihedral_angle_3_deg16.182
r_dihedral_angle_1_deg4.894
r_angle_refined_deg1.004
r_angle_other_deg0.709
r_chiral_restr0.059
r_bond_refined_d0.006
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2200
Nucleic Acid Atoms
Solvent Atoms65
Heterogen Atoms25

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling