X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details THE DROPLET CONTAINED PROTEIN AT A CONCENTRATION OF 10 MG ML-1 IN 40 MM HEPES PH 7.0 CONTAINING 1 MM DTT, 200 MM NACL, 5% V/V DMSO AND 1MM INHIBITOR. THE RESERVOIR SOLUTION CONTAINED 0.8 M KCL AND 1.2 M (NH4)2SO4 IN 40 MM HEPES PH 7.0 AND 5 MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.76 α = 90
b = 134.1 β = 90
c = 148.12 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 -- 2002-11-23
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 47.1 98.1 0.06 -- -- 2.6 -- 97458 -- 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)
2.0 2.1 96.7 0.35 -- 1.4 2.5 --

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 2.0 100.0 -- -- -- 92560 4861 97.6 -- 0.212 0.21 0.24 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 2.05 -- 355 6597 0.243 0.283 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.51
Anisotropic B[1][1] -1.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.49
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 40.54
r_symmetry_vdw_refined 0.155
r_mcangle_it 1.01
r_nbd_refined 0.195
r_scbond_it 1.666
r_chiral_restr 0.09
r_dihedral_angle_4_deg 18.675
r_mcbond_it 0.64
r_gen_planes_refined 0.005
r_angle_refined_deg 1.294
r_symmetry_hbond_refined 0.262
r_dihedral_angle_3_deg 15.047
r_dihedral_angle_1_deg 5.554
r_xyhbond_nbd_refined 0.175
r_scangle_it 2.502
r_nbtor_refined 0.302
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8640
Nucleic Acid Atoms 0
Heterogen Atoms 70
Solvent Atoms 384

Software

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