4KXW

Human transketolase in covalent complex with donor ketose D-xylulose-5-phosphate, crystal 2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MOSPDB ENTRY 3MOS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.9279Reservoir mixture of 13.5-15 % PEG 6000 (w/v), 4% PEG 400 (v/v), 2 % glycerol (v/v) , pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 279.0K
Crystal Properties
Matthews coefficientSolvent content
2.1342.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.756α = 90
b = 86.017β = 125.46
c = 72.994γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rmirrors2011-11-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.93939ESRFID14-4

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
10.973092.50.04714.233.3312019305775-310.555
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)
10.971.0478.20.4372.74

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE RPDB ENTRY 3MOS0.9730305775305775624192.60.09870.09520.09520.121RANDOM15.9484
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]
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d311
s_zero_chiral_vol6
s_non_zero_chiral_vol6
s_approx_iso_adps0.132
s_anti_bump_dis_restr0.11
s_rigid_bond_adp_cmpnt0.022
s_bond_d0.014
s_similar_dist
s_from_restr_planes
s_similar_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4752
Nucleic Acid Atoms
Solvent Atoms963
Heterogen Atoms100

Software

Software
Software NamePurpose
XSCALEdata scaling
SHELXrefinement
PDB_EXTRACTdata extraction
DNAdata collection
XDSdata reduction
PHENIXphasing
SHELXLrefinement