X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 200 MM BISTRIS PROPANE, 500 MM NACL, 3 MM GDAC3, 20% PEG4000, pH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.3 α = 90
b = 61.76 β = 90
c = 106.08 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
IMAGE PLATE MAR scanner 345 mm plate OSMIC MIRRORS 2009-02-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 -- -- --

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
1.55 19.37 96.3 0.04 -- -- 2.6 -- 43091 -- 2.0 --
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)
1.55 1.63 92.9 0.38 -- 1.8 2.3 --

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 1.7 19.29 -- -- -- 32216 596 95.88 -- 0.1847 0.18408 0.21898 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 1.7 1.744 -- 44 2368 0.279 0.25 -- 98.37
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.758
Anisotropic B[1][1] -1.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.02
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 33.855
r_dihedral_angle_3_deg 12.488
r_chiral_restr 0.087
r_scangle_it 2.264
r_dihedral_angle_1_deg 5.614
r_gen_planes_refined 0.006
r_bond_refined_d 0.01
r_angle_refined_deg 1.458
r_dihedral_angle_4_deg 8.383
r_mcbond_it 0.576
r_scbond_it 1.466
r_mcangle_it 1.037
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1936
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 302

Software

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