X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.76
Details 100 MG/ML PROTEIN WAS USED AT 292 K WITH 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6, 30% W/V PEG 2K MME. 30% GLYCEROL WAS USED AS CRYOPROTECTANT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.32 α = 90
b = 79.32 β = 90
c = 44.44 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2011-06-24
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
2.1 68.69 83.6 0.11 -- -- 11.2 -- 8165 -- -- --
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)
2.1 2.21 53.4 0.8 -- 2.4 6.8 --

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 2.1 68.69 -- -- -- 7748 417 84.37 -- 0.17353 0.17053 0.22704 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 2.1 2.154 -- 22 318 0.28 0.281 -- 49.49
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.376
Anisotropic B[1][1] -0.65
Anisotropic B[1][2] -0.33
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.65
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.98
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.019
r_dihedral_angle_3_deg 18.58
r_chiral_restr 0.145
r_angle_refined_deg 2.213
r_dihedral_angle_2_deg 40.036
r_dihedral_angle_1_deg 7.741
r_gen_planes_refined 0.011
r_dihedral_angle_4_deg 8.226
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 998
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 92

Software

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