X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 1.8-2M AMMONIUM FORMATE, 100MM HEPES, PH 7.5 5MM MGCL2, 10-15% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.35 α = 90
b = 89.19 β = 90
c = 177.23 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 180
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (QUANTUM 315R) ADSC TOROIDAL FOCUSING MIRROR 2008-10-25
Diffraction Radiation
Monochromator Protocol
CHANNEL-CUT SI (111) CRYSTAL 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
2.29 44.59 97.4 0.07 -- -- 4.5 -- 59482 -- 0.0 --
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)
2.29 2.41 89.3 0.54 -- 2.0 2.9 --

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 2.29 44.6 -- -- -- 56404 3009 97.23 -- 0.22757 0.22485 0.27807 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 2.288 2.347 -- 215 3678 0.307 0.377 -- 87.25
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 48.333
Anisotropic B[1][1] 3.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.44
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.828
r_scbond_it 1.813
r_mcangle_it 1.953
r_mcbond_it 1.083
r_gen_planes_refined 0.006
r_chiral_restr 0.078
r_dihedral_angle_4_deg 19.375
r_dihedral_angle_3_deg 18.891
r_dihedral_angle_2_deg 32.209
r_dihedral_angle_1_deg 5.467
r_angle_refined_deg 1.192
r_bond_refined_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8689
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 267

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0088 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0088 refinement
PHASER model building