1W6C

AGAO holoenzyme in a small cell, at 2.2 angstroms


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5293CRYSTALS WERE GROWN IN ABOUT 2 WEEKS BY HANGING-DROP VAPOR DIFFUSION AT 293K. THE RESERVOIR WAS 0.2M MG ACETATE, 20% PEG 8K, 0.1M NA CACODYLATE PH 6.5. THE DROPS WERE 1.5MICROL OF 11.7 MG/ML PROTEIN, 0.05M HEPES, PH 7.0, PLUS 1.5MICROL OF RESERVOIR SOLUTION. A CRYSTAL WAS CRYOPROTECTED BY GRADUAL INCREMENTAL SOAKING IN RESERVOIR SOLUTION MIXED WITH GLYCEROL. THE CONCENTRATION OF GLYCEROL WAS INCREASED FROM 0 TO 30% IN 2-3% INCREMENTS DURING 2 HOURS. THE CRYSTAL WAS THEN FROZEN IN THE CRYOSTREAM.
Crystal Properties
Matthews coefficientSolvent content
2.3347.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 158.041α = 90
b = 64.061β = 111.74
c = 69.693γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate58 CM LONG, PT-COATED, FUSED SILICA, VERTICAL FOCUSMIRROR2002-03-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-1SSRLBL7-1

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
12.228.2594.40.0513.682.231420-329.49
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)
12.22.2784.90.293.351.96

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 ENRTY 1AV42.232.1629876154494.80.1750.1720.219RANDOM26.91
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]
-1.21-1.070.57-0.16
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it6.854
r_dihedral_angle_1_deg6.819
r_scbond_it5.13
r_mcangle_it3.561
r_mcbond_it2.335
r_angle_refined_deg1.451
r_angle_other_deg0.822
r_symmetry_vdw_other0.302
r_nbd_other0.239
r_nbd_refined0.191
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it6.854
r_dihedral_angle_1_deg6.819
r_scbond_it5.13
r_mcangle_it3.561
r_mcbond_it2.335
r_angle_refined_deg1.451
r_angle_other_deg0.822
r_symmetry_vdw_other0.302
r_nbd_other0.239
r_nbd_refined0.191
r_symmetry_hbond_refined0.147
r_xyhbond_nbd_refined0.146
r_symmetry_vdw_refined0.139
r_chiral_restr0.087
r_nbtor_other0.084
r_bond_refined_d0.013
r_gen_planes_refined0.006
r_bond_other_d0.002
r_gen_planes_other0.001
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4860
Nucleic Acid Atoms
Solvent Atoms144
Heterogen Atoms3

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing