X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details HANGING DROP METHOD AT 295K. DROP IS 1 MICROL OF 50 MG/ML PROTEIN AND 1 MICROL OF WELL SOLUTION. WELL VOLUME IS 1ML OF 70 % MPD FROM HAMPTON RESEARCH.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.21 α = 90
b = 77.21 β = 90
c = 37.77 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- --
CSI AMORPHOUS SILICON DIGITAL IMAGER TRIXXEL SINGLE BOUNCE BENT BRAGG MONO 2008-07-19
Diffraction Radiation
Monochromator Protocol
-- --
SI(311) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X6A -- NSLS X6A
SYNCHROTRON ESRF BEAMLINE ID15B -- ESRF ID15B

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
1.52 20 99.2 0.06 -- -- 6.6 -- 17977 -- 2.0 11.2
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)
1.52 1.54 89.1 0.24 -- 3.4 3.4 --

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 1.52 19.3 -- -- -- 17023 915 100.0 -- 0.14874 0.14621 0.19902 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 1.52 1.559 -- 65 1121 0.181 0.264 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.263
Anisotropic B[1][1] -0.45
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.9
RMS Deviations
Key Refinement Restraint Deviation
r_sphericity_bonded 3.264
r_sphericity_free 5.889
r_rigid_bond_restr 1.49
r_scangle_it 3.856
r_scbond_it 2.666
r_mcangle_it 1.841
r_mcbond_it 1.158
r_gen_planes_refined 0.006
r_chiral_restr 0.091
r_dihedral_angle_4_deg 18.328
r_dihedral_angle_3_deg 12.638
r_dihedral_angle_2_deg 35.762
r_dihedral_angle_1_deg 5.638
r_angle_refined_deg 1.336
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1000
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 123

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0072 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0072 refinement
MOLREP model building