X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details 0.1M SODIUM ACETATE PH 5.5 0.1M NACL, 10MM CACL2, 20 PERCENT MMEPEG 5000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.67 α = 90
b = 115.52 β = 90
c = 50.04 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-12-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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 35 99.5 0.075 -- -- 7.1 -- 56323 -- -- --
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 1.83 98.8 0.409 -- 5.2 -- --

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 1.8 24.33 -- -- -- 53417 2850 99.5 -- -- 0.142 0.165 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 -- 207 3872 0.16 0.194 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.43
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_other 0.299
r_scbond_it 1.666
r_angle_refined_deg 1.261
r_mcbond_it 0.564
r_scangle_it 2.656
r_angle_other_deg 0.826
r_nbd_refined 0.197
r_xyhbond_nbd_refined 0.129
r_bond_refined_d 0.01
r_dihedral_angle_1_deg 6.65
r_mcangle_it 1.068
r_gen_planes_other 0.006
r_bond_other_d 0.002
r_symmetry_hbond_refined 0.273
r_gen_planes_refined 0.006
r_chiral_restr 0.091
r_symmetry_vdw_refined 0.096
r_nbd_other 0.244
r_nbtor_other 0.075
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4391
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 540

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
DENZO data reduction
SCALEPACK data scaling
MLPHARE phasing