4N56

Binary complex structure of Klenow fragment of Taq DNA polymerase I707L mutant (Cs3C KlenTaq) with DNA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4KTQPDB ENTRY 4KTQ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52890.1 M HEPES, pH 7.5, 20 mM manganese chloride, 0.1 M sodium acetate, 10% w/v PEG4000, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.2545.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 110.04α = 90
b = 110.04β = 90
c = 91.29γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2013-03-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0000APS22-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
12.247.6598.50.0611.973.63275932282-3
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)
12.22.25798.60.6812.753.732330

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 4KTQ2.247.653228232282161598.540.225320.225320.222790.27323RANDOM54.834
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]
0.010.010.01-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.793
r_dihedral_angle_4_deg19.867
r_dihedral_angle_3_deg19.437
r_dihedral_angle_1_deg6.843
r_angle_refined_deg1.715
r_angle_other_deg0.98
r_chiral_restr0.107
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.793
r_dihedral_angle_4_deg19.867
r_dihedral_angle_3_deg19.437
r_dihedral_angle_1_deg6.843
r_angle_refined_deg1.715
r_angle_other_deg0.98
r_chiral_restr0.107
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3850
Nucleic Acid Atoms552
Solvent Atoms21
Heterogen Atoms8

Software

Software
Software NamePurpose
SERGUIdata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling