X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 7.0% (W/V) PEG 2000 MONOMETHYL ETHER 0.0035M NICKEL CHLORIDE 0.035M TRIS-HCL, PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.38 α = 90
b = 82.67 β = 90
c = 106.34 γ = 90
Symmetry
Space Group I 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-02-23
Diffraction Radiation
Monochromator Protocol
-- 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
2.3 20 98.2 -- 0.06 -- 4.0 -- 12201 -- -3.0 48.5
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)
2.3 2.34 98.6 -- 0.326 2.0 4.0 --

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 2.3 20.0 -- 0.0 -- 11328 587 98.2 -- -- 0.21966 0.25051 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 53.0
RMS Deviations
Key Refinement Restraint Deviation
p_plane_restr 0.011
p_singtor_nbd 0.182
p_angle_d 0.035
p_scangle_it 3.301
p_mcangle_it 2.928
p_multtor_nbd 0.184
p_bond_d 0.012
p_planar_d 0.039
p_chiral_restr 0.121
p_transverse_tor 35.0
p_mcbond_it 1.839
p_scbond_it 2.075
p_xyhbond_nbd 0.148
p_planar_tor 1.7
p_staggered_tor 17.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1582
Nucleic Acid Atoms 0
Heterogen Atoms 51
Solvent Atoms 46

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CCP4 phasing
REFMAC refinement