4KCW

Pyruvate kinase (PYK) from Trypanosoma brucei soaked with oxalate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.227715-20% PEG 8,000, 10-20% glycerol, 80 uM F26BP, 800 uM Ponceau S, 50 mM TEA, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.4264.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.88α = 90
b = 108.56β = 90
c = 264.53γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100 MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I24DiamondI24

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.574.9510052143521433.43.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.64100

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUT2.568.4434948249482266199.980.161850.159660.20233RANDOM38.365
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]
0.02-0.090.07
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.094
r_dihedral_angle_3_deg18.55
r_dihedral_angle_4_deg16.828
r_dihedral_angle_1_deg7.712
r_angle_refined_deg1.057
r_chiral_restr0.088
r_gen_planes_refined0.015
r_bond_refined_d0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7596
Nucleic Acid Atoms
Solvent Atoms434
Heterogen Atoms74

Software

Software
Software NamePurpose
DNAdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling