X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 20 MM TRIS-HCL PH 7.4, 0.2 M NACL AT 4 DEGREES.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.05 α = 90
b = 73.36 β = 90
c = 74.68 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 ADSC CCD -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.97625,0.97915,0.97926, 0.96111 ESRF ID29

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
2.4 66.1 96.6 0.061 -- -- 4.3 -- 61498 -- -- --
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)
2.4 2.53 84.7 0.506 -- 1.4 2.1 --

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
MAD 2.4 50.0 -- -- -- 13363 753 95.9 -- 0.222 0.218 0.298 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 2.4 2.46 -- 47 747 0.352 0.392 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.79
Anisotropic B[1][1] 4.79
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.88
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.91
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.561
r_xyhbond_nbd_refined 0.168
r_symmetry_vdw_refined 0.097
r_gen_planes_other 0.001
r_symmetry_hbond_refined 0.101
r_dihedral_angle_1_deg 7.198
r_bond_other_d 0.002
r_bond_refined_d 0.018
r_nbtor_other 0.09
r_scbond_it 6.017
r_chiral_restr 0.114
r_mcbond_it 2.499
r_mcangle_it 4.122
r_angle_other_deg 0.88
r_scangle_it 8.527
r_symmetry_vdw_other 0.334
r_nbd_other 0.23
r_nbd_refined 0.219
r_gen_planes_refined 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2051
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 69

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
SnB phasing
SOLVE phasing
REFMAC refinement version: 5.1.24