X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details TRIS 100MM PH 8, 0.7M NA-CITRATE, 1MM TCEP, 0.5MM EDTA, VAPOUR DIFFUSION, DARK, UNDER NITROGEN, 22 DEGREES CELSIUS

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.04 α = 90
b = 61.75 β = 103.18
c = 119.48 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2007-11-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
2.85 58.12 98.5 0.14 -- -- 2.8 -- 28148 -- 2.0 44.2
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)
2.85 3.0 99.9 0.34 -- 3.3 2.9 --

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 2.85 33.61 -- 0.0 -- 28148 1412 92.0 -- 0.225 0.225 0.252 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 2.85 3.03 -- 257 4459 0.321 0.371 0.023 93.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.3
Anisotropic B[1][1] 1.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.66
Anisotropic B[2][2] 12.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -13.7
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.19
c_scbond_it 1.63
c_bond_d 0.01
c_mcangle_it 2.08
c_scangle_it 2.57
c_angle_deg 1.2
c_improper_angle_d 0.82
c_dihedral_angle_d 19.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.46
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4025
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 80

Software

Software
Software Name Purpose
CNS refinement version: 1.2
MOSFLM data reduction
SCALA data scaling
PHASER phasing