X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Temperature 292.0
Details 2.4 M ammonium sulfate, 0.1 M citric acid, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.66 α = 90
b = 161.14 β = 90
c = 44.63 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 MAR CCD 165 mm -- 2010-06-23
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.3 -- BESSY 14.3

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
2.25 25 97.7 0.071 -- -- 4.6 -- 25775 -- -3.0 35.5

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 2.28 25.0 -- -- -- 24726 1010 97.6 -- 0.213 0.211 0.284 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 2.28 2.34 -- 76 1713 0.245 0.327 -- 93.52
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.289
Anisotropic B[1][1] -2.91
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.11
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.02
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.009
r_mcbond_it 0.771
r_mcangle_it 1.362
r_dihedral_angle_2_deg 40.687
r_scangle_it 4.288
r_chiral_restr 0.122
r_dihedral_angle_3_deg 18.59
r_dihedral_angle_4_deg 18.945
r_dihedral_angle_1_deg 6.445
r_angle_refined_deg 1.855
r_scbond_it 2.678
r_bond_refined_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3307
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 148

Software

Software
Software Name Purpose
MAR345 data collection
MOLREP phasing
REFMAC refinement version: 5.5.0109
XDS data reduction
SCALA data scaling