X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 50 MM AMMONIUM ACETATE, 10% PEG 3350, 25% GLYCEROL, 100 MM HEPES PH 7.4. VAPOUR DIFFUSION

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.51 α = 90
b = 71.93 β = 90
c = 72.09 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
IMAGE PLATE MAR scanner 345 mm plate -- 2002-06-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 -- -- --

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
2.05 25.16 97.3 0.04 -- -- 3.9 -- 17480 -- 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)
2.05 2.15 95.3 0.1 -- 5.0 3.9 --

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 2.05 50.64 -- -- -- 16566 888 96.8 -- 0.199 0.196 0.256 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 2.05 2.1 -- 60 1157 0.217 0.3 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.8
Anisotropic B[1][1] 0.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.96
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.504
r_chiral_restr 0.096
r_symmetry_vdw_refined 0.232
r_mcangle_it 1.579
r_xyhbond_nbd_refined 0.157
r_gen_planes_refined 0.006
r_symmetry_hbond_refined 0.162
r_scangle_it 3.682
r_nbd_refined 0.218
r_scbond_it 2.321
r_bond_refined_d 0.014
r_dihedral_angle_1_deg 5.649
r_mcbond_it 0.875
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2345
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 150

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
MOSFLM data reduction
SCALA data scaling