X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details AS DESCRIBED IN THE PUBLICATION, pH 4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.06 α = 90
b = 82.4 β = 90
c = 136.72 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 MARRESEARCH SX-165 -- 2008-09-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I911-5 -- MAX_II I911-5

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
2.1 29.7 99.0 0.14 -- -- 4.1 -- 36726 -- 3.1 --
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)
2.1 2.21 95.0 0.38 -- 3.1 3.9 --

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 2.1 136.72 -- -- -- 34896 1829 98.77 -- 0.17685 0.17446 0.22235 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 2.1 2.155 -- 112 2339 0.234 0.337 -- 91.25
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.046
Anisotropic B[1][1] 0.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.55
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.007
r_dihedral_angle_4_deg 16.988
r_dihedral_angle_3_deg 11.904
r_scbond_it 0.711
r_chiral_restr 0.067
r_dihedral_angle_2_deg 38.459
r_dihedral_angle_1_deg 5.286
r_scangle_it 1.143
r_gen_planes_refined 0.004
r_angle_refined_deg 1.025
r_mcangle_it 0.44
r_mcbond_it 0.236
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5307
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 689

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
XDS data reduction
SCALA data scaling
PHASER phasing