X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 15% peg 3350, 100mM Tris HCl (pH 8.5)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.78 α = 90
b = 84.72 β = 90
c = 90.19 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-11-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.9794 APS 31-ID

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 30.86 99.8 0.117 -- -- 6.6 21184 21184 -- -- --
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 2.11 99.2 0.845 -- 2.0 5.5 --

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 2.0 29.83 -- 0.0 -- 21182 1092 -- -- -- 0.231 0.278 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.853
Anisotropic B[1][1] -0.636
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.243
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.879
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.017
r_scangle_it 3.874
r_scbond_it 2.692
r_chiral_restr 0.124
r_mcangle_it 2.012
r_gen_planes_other 0.007
r_angle_refined_deg 1.584
r_mcbond_it 1.291
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2068
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 68

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
TRUNCATE data reduction
REFMAC refinement version: 5.0
CCP4 data scaling version: (SCALA
TRUNCATE data scaling