4KRZ

Apo crystal structure of pyruvate kinase (PYK) from Trypanosoma cruzi


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.2277pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6653.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.785α = 90
b = 121.415β = 115.74
c = 97.16γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6MMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.97630DiamondI04

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
12.543.7793.73848313.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.6490.5

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 3QV92.541.236536193293.260.163650.160560.22285RANDOM30.402
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]
-0.16-0.060.090.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.505
r_dihedral_angle_3_deg16.815
r_dihedral_angle_4_deg15.862
r_dihedral_angle_1_deg6.981
r_angle_refined_deg1.027
r_chiral_restr0.081
r_bond_refined_d0.011
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7564
Nucleic Acid Atoms
Solvent Atoms451
Heterogen Atoms14

Software

Software
Software NamePurpose
DNAdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling