X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 295.0
Details 15% PEG 10,000, 0.1M imidazole HCl, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.02 α = 90
b = 109.84 β = 90
c = 29.28 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2004-01-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.3.1 1.1159 ALS 8.3.1

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
1.45 35 93.1 -- 0.054 -- 4.6 40482 40482 0.0 -3.0 17.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.45 1.48 52.6 -- 0.394 2.0 -- --

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
MOLECULAR REPLACEMENT 1.45 35.0 0.0 0.0 40410 40410 2025 93.16 -- 0.19744 0.19601 0.22534 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 1.45 1.488 -- -- 1645 0.308 0.364 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.334
Anisotropic B[1][1] -0.1
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.31
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.42
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 17.499
r_mcbond_other 0.356
r_nbd_other 0.2
r_mcbond_it 1.615
r_symmetry_vdw_refined 0.176
r_nbd_refined 0.229
r_dihedral_angle_2_deg 33.18
r_chiral_restr 0.123
r_gen_planes_other 0.001
r_dihedral_angle_3_deg 12.588
r_nbtor_other 0.084
r_xyhbond_nbd_refined 0.159
r_angle_refined_deg 1.724
r_symmetry_hbond_refined 0.183
r_scangle_it 3.835
r_scbond_it 2.875
r_dihedral_angle_1_deg 6.097
r_bond_other_d 0.003
r_symmetry_vdw_other 0.255
r_angle_other_deg 0.938
r_gen_planes_refined 0.008
r_bond_refined_d 0.019
r_mcangle_it 1.957
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1835
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 189

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.9999
DENZO data reduction
SCALEPACK data scaling
EPMR phasing