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_xyhbond_nbd 0.228
p_scangle_it 2.489
p_multtor_nbd 19.876
p_angle_d 1.951
p_singtor_nbd 5.305
p_chiral_restr 0.143
p_scbond_it 1.622
p_bond_d 0.019
p_plane_restr 0.005
p_mcangle_it 0.913
p_hb_or_metal_coord 0.155
p_mcbond_it 0.567
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

Software
Software Name Purpose
SHARP phasing
REFMAC refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)