X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.9
Details PROTEIN WAS CRYSTALLISED FROM 0.1M MES PH5.9,60MM MAGNESIUM ACETATE AND 25-30% PEG 8000, pH 5.90

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.62 α = 90
b = 64.6 β = 90
c = 152.25 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 MARRESEARCH -- 2000-08-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
1.72 21.88 94.1 0.08 -- -- 5.71 -- 70418 -- -- --
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)
1.78 1.88 78.0 0.24 -- 3.22 4.98 --

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
OTHER 1.79 38.07 -- -- -- 56879 2925 -- -- -- 0.161 0.197 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 1.79 1.88 -- -- -- 0.179 0.215 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 0.02
r_symmetry_hbond_refined 0.27
r_bond_refined_d 0.0
r_gen_planes_refined 0.01
r_xyhbond_nbd_refined 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4218
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 748

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
MOSFLM data reduction
SCALA data scaling