X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5277100 mM sodium cacodylate, 200 mM calcium acetate, 18% PEG-8000, 4 mM MgCl2, 50 uM UTP, crystals soaked in 10 mM UMP for 30 minutes, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.2445.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.62α = 90
b = 41.924β = 94.37
c = 106.017γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray2006-07-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL1-50.979SSRLBL1-5

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
12.441.9293.80.146.43.3826495
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)
2.42.49930.4762.33.482610

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 entry 2IKF2.438.9826486136493.80.2260.2230.293test set taken from 2IKF41.465
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]
0.02-0.020.02-0.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.658
r_dihedral_angle_4_deg19.765
r_dihedral_angle_3_deg19.004
r_dihedral_angle_1_deg6.096
r_scangle_it2.301
r_angle_refined_deg1.553
r_scbond_it1.436
r_mcangle_it1.151
r_mcbond_it0.654
r_nbtor_refined0.309
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.658
r_dihedral_angle_4_deg19.765
r_dihedral_angle_3_deg19.004
r_dihedral_angle_1_deg6.096
r_scangle_it2.301
r_angle_refined_deg1.553
r_scbond_it1.436
r_mcangle_it1.151
r_mcbond_it0.654
r_nbtor_refined0.309
r_symmetry_vdw_refined0.234
r_nbd_refined0.224
r_xyhbond_nbd_refined0.171
r_symmetry_hbond_refined0.133
r_chiral_restr0.096
r_bond_refined_d0.012
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5132
Nucleic Acid Atoms
Solvent Atoms184
Heterogen Atoms73

Software

Software
Software NamePurpose
d*TREKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
d*TREKdata reduction
PHASERphasing