2GQ1

Crystal Structure of Recombinant Type I Fructose-1,6-bisphosphatase from Escherichia coli Complexed with Sulfate Ions


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CNQPDB Entry 1CNQ without ligands, waters, and residues 52-72

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.12952.0 M Amonium Sulfate, pH 5.1, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.1241.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.59α = 90
b = 81.27β = 90
c = 170.1γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDNOIR-12005-01-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 4.2.20.979ALS4.2.2

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
11.4544.0499.90.06913.36.95565245647117.7
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)
11.451.599.90.2935.26.59

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 1CNQ without ligands, waters, and residues 52-721.4544.045643256432574199.70.2220.2220.2190.232RANDOM19.3
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]
4.59-1.24-3.35
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.2
c_scangle_it2.79
c_scbond_it2.06
c_mcangle_it1.6
c_angle_deg1.2
c_mcbond_it1.03
c_improper_angle_d0.7
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2441
Nucleic Acid Atoms
Solvent Atoms323
Heterogen Atoms35

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
CrystalCleardata reduction
d*TREKdata scaling
AMoREphasing
REFMACrefinement