X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details CRYSTALLIZATION BY HANGING DROP AT 4C. CONDITIONS IN DROP: PROTEIN AT 35 MG/ML IN 200MM TRIS (PH=8.0) AND 30% (V/V) (S)-MPD. CONDITIONS IN RESERVOIR: 200MM TRIS (PH=8.0) AND 60% (V/V) (S)-MPD.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.44 α = 90
b = 77.44 β = 90
c = 37.94 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD TOROIDAL FOCUSING MIRROR 2011-04-23
Diffraction Radiation
Monochromator Protocol
SI(111) CHANNEL CUT SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X6A -- NSLS X6A

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
1.2 30 99.7 0.08 -- -- 14.0 -- 36597 -- 2.0 --
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)
1.2 1.22 100.0 0.79 -- 3.6 12.7 --

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 1.2 21.48 -- -- -- 34682 1825 99.61 -- 0.13109 0.12918 0.16729 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 1.2 1.231 -- 121 2321 0.188 0.221 -- 99.84
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.107
Anisotropic B[1][1] -0.28
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.28
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.56
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 12.68
r_rigid_bond_restr 1.338
r_gen_planes_refined 0.005
r_bond_refined_d 0.007
r_dihedral_angle_4_deg 14.05
r_sphericity_free 23.336
r_angle_refined_deg 1.214
r_chiral_restr 0.093
r_dihedral_angle_1_deg 5.746
r_dihedral_angle_2_deg 34.687
r_sphericity_bonded 10.701
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 178

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0117
HKL-2000 data reduction
HKL-2000 data scaling
MOLREP phasing