X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.14 α = 90
b = 53.94 β = 111.92
c = 41.37 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-04-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.9 30 99.4 -- 0.042 -- 3.5 -- 11716 -- 0.0 17.3
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)
1.9 1.97 96.5 -- 0.183 -- -- --

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 2.05 28.48 -- 1.0 -- 9020 947 96.4 -- 0.221 0.221 0.272 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 2.05 2.18 -- 173 1331 0.296 0.349 0.027 96.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 32.6
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_scangle_it 2.87
c_dihedral_angle_d 25.5
c_mcbond_it 1.54
c_angle_deg 1.5
c_improper_angle_d 0.94
c_mcangle_it 2.5
c_scbond_it 1.93
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1337
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 142

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
TRUNCATE data scaling
CNS phasing version: 1.0