X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1 M CHES PH 8.5, 1.25 M NA CITRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.11 α = 90
b = 50.11 β = 90
c = 47.13 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2003-06-13
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
1.8 12 99.6 0.052 -- -- 6.8 -- 6611 -- -- --
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)
1.8 1.9 100.0 0.472 -- 1.6 6.9 --

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
SIRAS 1.8 12.0 -- -- -- 6291 310 99.8 -- 0.2 0.198 0.239 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 1.8 1.85 -- 23 458 0.284 0.365 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.76
Anisotropic B[1][1] 1.34
Anisotropic B[1][2] 0.67
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.01
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 7.899
r_scbond_it 5.632
r_mcangle_it 3.207
r_mcbond_it 1.857
r_nbd_refined 0.226
r_gen_planes_refined 0.01
r_chiral_restr 4.483
r_angle_other_deg 1.502
r_bond_refined_d 0.024
r_xyhbond_nbd_refined 0.181
r_symmetry_vdw_refined 0.153
r_symmetry_hbond_refined 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 440
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 64

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement