X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details PEG3350 20% V/V, 0.1M TRI-SODIUM CITRATE, PH 7.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.56 α = 90
b = 114.26 β = 90
c = 157.28 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 MIRRORS 2003-02-12
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
2.75 30 98.3 0.14 -- -- 3.8 -- 37669 -- 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)
2.75 2.9 98.8 0.67 -- 1.9 -- --

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 2.75 30.0 -- -- -- 33849 1097 98.01 -- 0.20136 0.19964 0.25478 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 2.821 -- 76 2486 0.328 0.373 -- 99.07
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.816
Anisotropic B[1][1] -2.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.22
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.6
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_refined 0.189
r_chiral_restr 0.092
r_xyhbond_nbd_other 0.184
r_gen_planes_refined 0.009
r_dihedral_angle_2_deg 39.975
r_mcbond_it 2.284
r_symmetry_vdw_refined 0.193
r_mcbond_other 0.473
r_scangle_it 7.734
r_bond_refined_d 0.013
r_dihedral_angle_4_deg 17.162
r_angle_refined_deg 1.548
r_dihedral_angle_3_deg 16.507
r_nbtor_other 0.09
r_mcangle_it 3.218
r_xyhbond_nbd_refined 0.182
r_angle_other_deg 1.129
r_bond_other_d 0.006
r_nbd_other 0.227
r_dihedral_angle_1_deg 5.167
r_scbond_it 5.524
r_symmetry_vdw_other 0.377
r_nbd_refined 0.219
r_gen_planes_other 0.007
r_symmetry_hbond_refined 0.253
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8956
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 86

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
MOLREP phasing