X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details 20% PEG 3350, 0.2 M ammonium acetate, 0.1 M Tris pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.2 α = 90
b = 79.64 β = 90
c = 104.22 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 MARMOSAIC 225 mm CCD mirrors 2010-06-27
Diffraction Radiation
Monochromator Protocol
Double crystal monochromator Si-111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 0.9400 BESSY 14.2

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
2.27 50 93.1 0.109 -- -- 6.4 -- 27095 0.0 -3.0 45.1
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)
2.27 2.35 63.0 0.499 -- 1.72 4.0 1790

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 2.27 50.0 -- 0.0 27095 25667 1379 93.01 0.19705 0.19621 0.19297 0.25768 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 2.273 2.332 -- 57 1182 0.251 0.316 -- 59.06
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 59.054
Anisotropic B[1][1] 0.71
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.06
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.933
r_scbond_it 2.65
r_mcangle_it 1.489
r_mcbond_it 0.858
r_gen_planes_refined 0.01
r_chiral_restr 0.136
r_dihedral_angle_4_deg 15.819
r_dihedral_angle_3_deg 18.193
r_dihedral_angle_2_deg 36.435
r_dihedral_angle_1_deg 7.047
r_angle_refined_deg 1.929
r_bond_refined_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4631
Nucleic Acid Atoms 0
Heterogen Atoms 41
Solvent Atoms 193

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
PHASER model building
HKL-2000 data collection