X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 10 MG/ML PROTEIN, 0.1 M SODIUM ACETATE PH 4.7, 30% W/V PEG 2000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.2 α = 90
b = 201.96 β = 90
c = 248.49 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 315r -- 2011-02-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.95 48.76 78.4 0.07 -- -- 3.0 -- 79645 -- 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)
2.95 3.11 79.4 0.54 -- 2.0 2.7 --

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 3.0 45.65 -- -- -- 72749 3839 99.75 -- 0.19 0.18646 0.25591 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 3.0 3.078 -- 261 4918 0.325 0.388 -- 99.85
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 86.832
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.05
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 16.135
r_chiral_restr 0.087
r_dihedral_angle_2_deg 38.792
r_gen_planes_refined 0.005
r_dihedral_angle_3_deg 18.289
r_bond_refined_d 0.01
r_angle_refined_deg 1.316
r_dihedral_angle_1_deg 5.058
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 29640
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 318

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0117
XDS data reduction
SCALA data scaling
PHASER phasing