2AM3

Crystal Structure of N-Acetylglucosaminyltransferase I in Complex with UDP-Glucose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FO91FO9, 1FOA
experimental modelPDB 1FOA1FO9, 1FOA

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.929340% PEG 6000, 1M Tris, MnCl2, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1642.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.628α = 90
b = 82.492β = 90
c = 102.25γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSBC-32003-07-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM1.0332APS19-BM

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
11.832.182.5277162694115.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.9178.6

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1FO9, 1FOA1.832.13261626941130882.60.1860.226RANDOM17.11
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_torsion_deg23.9
x_scangle_it5.1
x_scbond_it3.82
x_mcangle_it2.15
x_mcbond_it1.6
x_angle_deg1.5
x_torsion_impr_deg0.84
x_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2811
Nucleic Acid Atoms
Solvent Atoms173
Heterogen Atoms61

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing