2PPX

Crystal structure of a HTH XRE-family like protein from Agrobacterium tumefaciens


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.62912M Ammonium sulfate, 0.2M K/Na tartrate, 0.1M Na citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.4264.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.696α = 90
b = 70.696β = 90
c = 103.736γ = 120
Symmetry
Space GroupP 64 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-02-05MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97948, 0.97935APS19-ID

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
11.9535.3597.50.04911.91064910649-338.6
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)
11.952.0581.30.34725.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT235.35-3101391013950997.530.198310.198310.196070.24382RANDOM65.677
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]
0.90.450.9-1.35
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.974
r_dihedral_angle_4_deg17.649
r_dihedral_angle_3_deg13.769
r_dihedral_angle_1_deg4.268
r_scangle_it3.856
r_scbond_it2.356
r_angle_refined_deg1.45
r_mcangle_it1.312
r_mcbond_it0.834
r_nbtor_refined0.307
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.974
r_dihedral_angle_4_deg17.649
r_dihedral_angle_3_deg13.769
r_dihedral_angle_1_deg4.268
r_scangle_it3.856
r_scbond_it2.356
r_angle_refined_deg1.45
r_mcangle_it1.312
r_mcbond_it0.834
r_nbtor_refined0.307
r_nbd_refined0.207
r_symmetry_vdw_refined0.184
r_symmetry_hbond_refined0.124
r_xyhbond_nbd_refined0.123
r_chiral_restr0.112
r_bond_refined_d0.015
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms501
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms42

Software

Software
Software NamePurpose
REFMACrefinement
SBC-Collectdata collection
HKL-3000data reduction
HKL-3000data scaling
HKL-3000phasing
SHELXDphasing
SHELXEmodel building
MLPHAREphasing
DMphasing
SOLVEphasing
RESOLVEphasing
ARP/wARPmodel building
CCP4phasing
Omodel building
Cootmodel building