X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 294.0
Details 100mM HEPES pH 7.5, 25% PEG 6000, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.28 α = 90
b = 96.45 β = 90
c = 178.28 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2008-03-07
Diffraction Radiation
Monochromator Protocol
DIAMOND SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.9793 APS 31-ID

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 50 99.8 0.118 -- -- 5.9 -- 32780 -- -0.5 --
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)
2.0 2.07 99.5 0.91 -- 0.9 4.9 --

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
SAD 2.0 20.0 -- -- -- 31578 1033 99.92 -- 0.20803 0.20641 0.25605 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 2.0 2.051 -- 85 2292 0.308 0.389 -- 99.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 42.122
Anisotropic B[1][1] 0.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.44
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.05
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 15.857
r_angle_refined_deg 1.409
r_mcangle_it 5.347
r_symmetry_hbond_refined 0.245
r_dihedral_angle_2_deg 38.172
r_bond_refined_d 0.011
r_scbond_it 6.136
r_gen_planes_refined 0.004
r_dihedral_angle_1_deg 5.904
r_xyhbond_nbd_refined 0.164
r_dihedral_angle_3_deg 19.057
r_nbtor_refined 0.303
r_nbd_refined 0.165
r_scangle_it 8.65
r_mcbond_it 3.747
r_chiral_restr 0.1
r_symmetry_vdw_refined 0.127
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2885
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 170

Software

Software
Software Name Purpose
SHELXD phasing
REFMAC refinement version: 5.3.0034
MAR345 data collection version: CCD
HKL-2000 data reduction
HKL-2000 data scaling