3N98

Crystal structure of TK1436, a GH57 branching enzyme from hyperthermophilic archaeon Thermococcus kodakaraensis, in complex with glucose and additives


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.5291100 mM sodium acetate (pH 5.5), 15% (w/v) PEG 8000, 10% (v/v) PEG 400, 200 mM sodium chloride, 1% (v/v) dioxane and 5% (v/v) glycerol , VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.8356.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.674α = 90
b = 79.02β = 90
c = 134.088γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE W01B-MX21.4586LNLSW01B-MX2

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
11.8768.0895.40.1042410.85996924.6
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)
1.871.9484.30.4812.24.85216

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 1UFA1.8768.0856854302495.420.161070.159290.1959RANDOM25.03
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]
0.740.05-0.8
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.516
r_dihedral_angle_4_deg18.264
r_dihedral_angle_3_deg15.61
r_dihedral_angle_1_deg6.087
r_scangle_it5.982
r_scbond_it3.879
r_mcangle_it2.548
r_angle_refined_deg2.21
r_mcbond_it1.554
r_chiral_restr0.232
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.516
r_dihedral_angle_4_deg18.264
r_dihedral_angle_3_deg15.61
r_dihedral_angle_1_deg6.087
r_scangle_it5.982
r_scbond_it3.879
r_mcangle_it2.548
r_angle_refined_deg2.21
r_mcbond_it1.554
r_chiral_restr0.232
r_bond_refined_d0.031
r_gen_planes_refined0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4582
Nucleic Acid Atoms
Solvent Atoms348
Heterogen Atoms86

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling