X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 27-30% PEG-400, 0.1 M HEPES, PH 7.5-7.7, 0.2 M MGCL2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.63 α = 90
b = 131.75 β = 90.42
c = 125.59 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2007-08-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
2.5 20 98.8 0.09 -- -- 3.0 -- 85373 -- 2.0 43.4
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)
2.5 2.6 94.0 0.41 -- 1.9 2.7 --

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 2.51 20.0 -- -- -- 83509 1705 98.66 -- 0.17701 0.17579 0.23665 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 2.507 2.571 -- 110 5563 0.239 0.351 -- 91.12
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.775
Anisotropic B[1][1] -0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.13
Anisotropic B[2][2] 1.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.96
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.906
r_scbond_it 1.16
r_mcangle_it 0.802
r_mcbond_it 0.41
r_gen_planes_refined 0.004
r_chiral_restr 0.077
r_dihedral_angle_4_deg 18.403
r_dihedral_angle_3_deg 15.932
r_dihedral_angle_2_deg 36.361
r_dihedral_angle_1_deg 6.452
r_angle_refined_deg 1.31
r_bond_refined_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16811
Nucleic Acid Atoms 0
Heterogen Atoms 500
Solvent Atoms 908

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0102 refinement
MOLREP model building