X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 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 = 73.89 α = 90
b = 135.32 β = 90
c = 148.32 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 -- 2002-11-21
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
2.3 65.9 97.1 0.13 -- -- 2.6 -- 64531 -- 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)
2.3 2.41 94.4 0.32 -- 2.3 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 2.3 100.0 -- -- -- 61234 3271 96.5 -- 0.214 0.212 0.255 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 2.3 2.36 -- 234 4306 0.235 0.312 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.38
Anisotropic B[1][1] -1.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.52
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.647
r_scbond_it 1.731
r_mcangle_it 1.134
r_mcbond_it 0.69
r_nbd_refined 0.204
r_gen_planes_refined 0.005
r_chiral_restr 0.092
r_dihedral_angle_4_deg 17.618
r_dihedral_angle_3_deg 16.99
r_dihedral_angle_2_deg 41.327
r_dihedral_angle_1_deg 5.91
r_angle_refined_deg 1.409
r_bond_refined_d 0.012
r_nbtor_refined 0.302
r_xyhbond_nbd_refined 0.187
r_symmetry_vdw_refined 0.221
r_symmetry_hbond_refined 0.175
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8646
Nucleic Acid Atoms 0
Heterogen Atoms 68
Solvent Atoms 309

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement