2OJW

Crystal structure of human glutamine synthetase in complex with ADP and phosphate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2D3APDB ENTRY 2D3A

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.527710% Isopropanol, 200 mM NaCl, 100 mM HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K, pH 7.50
Crystal Properties
Matthews coefficientSolvent content
2.4149

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 177.6α = 90
b = 122.6β = 130.6
c = 126.6γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4FOCUSING: TOROIDAL MIRROR2006-09-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-2ESRFID14-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.054098.80.12050.143.8125431
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.052.1598.60.4160.4853.8

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2D3A2.0539.2512137312137363881000.1620.1590.212RANDOM11.84
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]
0.151.010.131.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.81
r_dihedral_angle_4_deg17.345
r_dihedral_angle_3_deg14.792
r_dihedral_angle_1_deg12.756
r_scangle_it3.051
r_scbond_it2.203
r_angle_refined_deg1.776
r_mcangle_it1.301
r_mcbond_it1.096
r_angle_other_deg1.094
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.81
r_dihedral_angle_4_deg17.345
r_dihedral_angle_3_deg14.792
r_dihedral_angle_1_deg12.756
r_scangle_it3.051
r_scbond_it2.203
r_angle_refined_deg1.776
r_mcangle_it1.301
r_mcbond_it1.096
r_angle_other_deg1.094
r_mcbond_other0.244
r_symmetry_hbond_refined0.234
r_nbd_other0.204
r_nbd_refined0.203
r_symmetry_vdw_other0.195
r_xyhbond_nbd_refined0.187
r_symmetry_vdw_refined0.182
r_nbtor_refined0.176
r_chiral_restr0.118
r_nbtor_other0.084
r_bond_refined_d0.019
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms14250
Nucleic Acid Atoms
Solvent Atoms1390
Heterogen Atoms221

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
MOLREPphasing