X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Details 20-22.5% (W/V) PEG 5000 MONOMETHYLETHYL (MME), 200 MM SODIUM CITRATE (PH 6.6) AND 200 MM AMMONIUM IODIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.14 α = 90
b = 102.14 β = 90
c = 168.26 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.75 50 98.8 0.12 -- -- 2.4 -- 13125 -- 0.0 --
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)
2.75 2.82 99.9 0.46 -- -- -- --

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 2.75 51.07 -- -- -- 13125 690 97.9 -- 0.232 0.228 0.319 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 2.75 2.82 -- 49 948 0.287 0.476 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.27
Anisotropic B[1][1] 0.36
Anisotropic B[1][2] 0.18
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.36
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.54
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 0.087
r_scbond_it 0.069
r_mcangle_it 0.074
r_mcbond_it 0.047
r_nbd_refined 0.214
r_gen_planes_other 0.001
r_gen_planes_refined 0.004
r_chiral_restr 0.078
r_dihedral_angle_4_deg 16.251
r_dihedral_angle_3_deg 17.135
r_dihedral_angle_2_deg 38.384
r_dihedral_angle_1_deg 7.472
r_angle_other_deg 0.872
r_angle_refined_deg 1.391
r_bond_other_d 0.002
r_bond_refined_d 0.012
r_nbd_other 0.202
r_nbtor_refined 0.192
r_nbtor_other 0.089
r_xyhbond_nbd_refined 0.188
r_symmetry_vdw_refined 0.219
r_symmetry_vdw_other 0.193
r_symmetry_hbond_refined 0.192
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2966
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 68

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
C SEARCH Structure Solution
REFMAC 5.2.0019G Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019G refinement
C version: SEARCH model building