X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.75
Temperature 277.0
Details 25-32% PEG 600, 20-100 mM Hepes, pH 6.75, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.27 α = 90
b = 111.76 β = 90
c = 227.17 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-12-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.45 20 99.8 -- 0.057 -- 3.9 -- 74834 -- -- 57.0

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
FOURIER SYNTHESIS 2.45 20.0 -- -- -- 73140 1507 99.69 -- 0.18487 0.18427 0.21404 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.45 2.513 -- 102 5256 0.264 0.27 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.036
Anisotropic B[1][1] 3.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.36
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_other 0.086
r_nbd_other 0.234
r_nbd_refined 0.201
r_gen_planes_other 0.003
r_gen_planes_refined 0.006
r_chiral_restr 0.085
r_dihedral_angle_1_deg 6.421
r_angle_other_deg 1.1
r_angle_refined_deg 1.5
r_bond_other_d 0.002
r_bond_refined_d 0.015
r_xyhbond_nbd_refined 0.163
r_symmetry_vdw_refined 0.123
r_symmetry_vdw_other 0.363
r_symmetry_hbond_refined 0.209
r_mcbond_it 0.633
r_mcangle_it 1.259
r_scbond_it 2.003
r_scangle_it 3.451
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8314
Nucleic Acid Atoms 0
Heterogen Atoms 147
Solvent Atoms 338

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement