X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 12% PEG 8000, 50 MM HEPES PH 7, 100 MM NACL, 2 MM DTT, 2 MM NAN3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.04 α = 90
b = 145.98 β = 90
c = 152.37 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2000-10-11
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.95 40 99.2 0.08 -- -- 4.0 -- 71088 -- 3.0 --
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)
1.95 2.0 99.9 0.42 -- 3.3 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 1.95 40.0 -- -- -- 66558 3525 97.8 -- 0.194 0.193 0.225 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 1.95 2.0 -- 258 4819 0.257 0.272 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.89
Anisotropic B[1][1] 0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.97
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.01
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 1.884
r_xyhbond_nbd_refined 0.163
r_gen_planes_other 0.002
r_dihedral_angle_1_deg 5.387
r_nbd_other 0.24
r_bond_refined_d 0.011
r_mcbond_it 0.662
r_scangle_it 3.211
r_angle_other_deg 0.746
r_gen_planes_refined 0.004
r_mcangle_it 1.263
r_nbd_refined 0.205
r_symmetry_vdw_other 0.31
r_nbtor_other 0.083
r_bond_other_d 0.002
r_angle_refined_deg 1.218
r_chiral_restr 0.094
r_symmetry_vdw_refined 0.331
r_symmetry_hbond_refined 0.168
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5724
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 435

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing