X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.8
Details pH 6.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.74 α = 90
b = 72.38 β = 90
c = 98.93 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 COLLIMATOR 1997-10
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 0.8270, 1.1271 EMBL/DESY, HAMBURG X31

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 24.4 85.0 0.032 0.06 -- 4.6 -- 21089 -- 3.0 10.9
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)
2.0 2.12 88.0 0.088 0.101 7.2 4.3 --

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
MAD 2.0 24.4 -- 0.0 -- 21049 1080 85.0 -- -- 0.2012 0.243 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.3
RMS Deviations
Key Refinement Restraint Deviation
p_hb_or_metal_coord 0.05
p_chiral_restr 0.155
p_angle_d 0.027
p_singtor_nbd 0.188
p_scbond_it 1.688
p_planar_tor 1.4
p_xyhbond_nbd 0.163
p_staggered_tor 10.9
p_planar_d 0.028
p_bond_d 0.012
p_scangle_it 2.656
p_mcbond_it 0.844
p_xhyhbond_nbd 0.3
p_multtor_nbd 0.242
p_plane_restr 0.0098
p_transverse_tor 27.9
p_mcangle_it 1.024
p_special_tor 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2401
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 168

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
SHARP model building
REFMAC refinement