X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 12% PEG 6000, 0.1 M NA-CITRATE PH 5.6, 0.1 M LISO4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.81 α = 90
b = 77.81 β = 90
c = 128.36 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SLS BEAMLINE X06SA -- SLS X06SA

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
1.95 20 99.7 0.062 -- -- 10.8 -- 29375 -- -- --
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)
1.95 1.98 97.7 0.559 -- 3.5 6.9 --

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 1.95 19.54 -- -- -- 27963 1472 100.0 -- 0.192 0.19 0.227 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 1.95 2.0 -- 102 1955 0.243 0.273 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.99
Anisotropic B[1][1] -0.29
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.59
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.711
r_scbond_it 3.347
r_mcangle_it 2.882
r_mcbond_it 1.927
r_nbd_refined 0.258
r_gen_planes_refined 0.003
r_chiral_restr 0.08
r_dihedral_angle_1_deg 6.858
r_angle_refined_deg 1.261
r_bond_refined_d 0.012
r_xyhbond_nbd_refined 0.143
r_symmetry_vdw_refined 0.174
r_symmetry_hbond_refined 0.129
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2047
Nucleic Acid Atoms 0
Heterogen Atoms 41
Solvent Atoms 125

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
CNS model building