X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 25% PEG 4000, 0.1M MES PH6.0, T=293K, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.4 α = 82.7
b = 61.8 β = 73.7
c = 72.2 γ = 87.3
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH COLLIMATING AND FOCUSING MIRROR 2000-11-15
Diffraction Radiation
Monochromator Protocol
SI (111) CHANNEL-CUT SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2.6 30 95.9 -- 0.08 -- 4.1 -- 27761 -- -- 18.7
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)
2.6 2.69 94.5 -- 0.13 2.6 4.1 --

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
IRON ANOMALOUS AND MOLECULAR REPLACEMENT 2.6 25.01 -- 0.0 -- 27982 732 96.3 -- 0.193 0.193 0.26 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 2.6 2.76 -- 129 4427 0.225 0.293 0.026 94.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 10.9
Anisotropic B[1][1] 0.73
Anisotropic B[1][2] 0.12
Anisotropic B[1][3] -2.94
Anisotropic B[2][2] -0.38
Anisotropic B[2][3] 0.4
Anisotropic B[3][3] -0.35
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.013
c_improper_angle_d 2.38
c_mcangle_it 4.64
c_scbond_it 3.79
c_angle_deg 1.3
c_scangle_it 5.38
c_mcbond_it 2.99
c_dihedral_angle_d 22.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8173
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 200

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALA data scaling
AMoRE phasing