X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN AT 8.75 MG/ML IN 25MM TRIS PH 7.5, 10% GLYCEROL, 1M NACL, 1MM TCEP, 0.1% BETA-OCTYL-GLUCOSIDE; HANGING DROP VAPOR DIFFUSION. RESERVOIR: 20% PME2000, 200 MM NA THIOCYANATE; MICRO-SEEDED (SEED-BEAD).

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.97 α = 90
b = 110.47 β = 90
c = 137.23 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (MX-225) MARRESEARCH -- 2007-11-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SLS BEAMLINE X10SA -- SLS X10SA

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
2.73 76.4 99.8 0.09 -- -- 4.5 -- 37797 -- 1.0 57.35
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)
2.73 2.81 100.0 0.46 -- 4.6 4.6 --

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
OTHER 2.73 76.4 -- 0.0 -- 37797 1890 99.84 -- 0.1807 0.178 0.2305 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 2.73 2.81 -- 145 2759 0.2075 0.2694 -- 99.84
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.14
Anisotropic B[1][1] -6.9106
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.8606
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.01
t_angle_deg 1.19
t_omega_torsion 3.27
t_other_torsion 18.74
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.312
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9522
Nucleic Acid Atoms 0
Heterogen Atoms 124
Solvent Atoms 202

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
BUSTER 2.9.6 Structure Refinement
Software
Software Name Purpose
BUSTER version: 2.9.6 refinement