X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 16% PEG 10000, 0.3 M (NH4)2SO4, 100 MM BIS-TRIS, PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 208.35 α = 90
b = 57.78 β = 107.23
c = 65.57 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI BENT MIRRORS 1996-02-01
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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 20 97.3 0.048 -- -- 2.4 -- 50771 -- -- --
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)
2.0 2.07 96.3 0.197 -- -- -- --

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 2.0 6.0 -- 2.0 -- 42548 2164 87.4 -- 0.213 0.213 0.261 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 2.0 2.07 -- 178 3308 0.25 0.251 0.019 72.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.7
Anisotropic B[1][1] 6.74
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.62
Anisotropic B[2][2] -8.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.18
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.45
x_scbond_it 2.16
x_mcangle_it 1.29
x_mcbond_it 1.08
x_improper_angle_d 1.25
x_bond_d 0.008
x_angle_deg 1.33
x_dihedral_angle_d 22.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4319
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 262

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.44 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.44 refinement
MLPHARE model building