X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details PEG 6K, Zinc Acetate, Zinc Chloride, C10E5, Beta-heptyl-glucoside, TRIS/HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.86 α = 90
b = 46.35 β = 90
c = 73.98 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH toroidal mirror 1999-10-09
Diffraction Radiation
Monochromator Protocol
Diamond & Ge-crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.934 ESRF ID14-2

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
2.03 36.5 98.3 0.084 0.084 -- 10.2 21875 21875 0.0 -5.0 37.6
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)
2.03 2.08 82.4 0.325 0.325 4.1 6.2 1320

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
MIR 2.03 36.5 -- 0.0 20754 20754 1093 98.45 0.237 0.237 0.235 0.274 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 2.03 2.129 2561 126 -- 0.227 0.288 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Overall Anisotropic B-factor applied. 28 TLS tensors refined, Residual B-factors also refined.
Mean Isotropic B 70.2
Anisotropic B[1][1] 3.25
Anisotropic B[1][2] -1.58
Anisotropic B[1][3] -1.67
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 2.489
p_scbond_it 1.622
p_mcangle_it 0.913
p_mcbond_it 0.567
p_xyhbond_nbd 0.228
p_multtor_nbd 19.876
p_singtor_nbd 5.305
p_chiral_restr 0.143
p_plane_restr 0.005
p_hb_or_metal_coord 0.155
p_angle_d 1.951
p_bond_d 0.019
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.203
Luzzati Sigma A (R-Free Set) 0.182
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1952
Nucleic Acid Atoms 0
Heterogen Atoms 35
Solvent Atoms 144

Software

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