X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details 0.2 M AMMONIUM SULPHATE, 0.1 M SODIUM ACETATE/ACETIC ACID (PH 4.0) AND 25% W/V PEG 3000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.67 α = 90
b = 63.83 β = 86.58
c = 124.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-05-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
1.95 40 96.0 0.08 -- -- 3.5 -- 60806 -- 1.0 --
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)
1.95 2.02 92.1 0.39 -- 3.1 3.4 --

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 1.95 30.0 -- -- -- 56219 3002 96.2 -- 0.2 0.198 0.238 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 1.95 2.0 -- 180 3985 0.221 0.281 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.19
Anisotropic B[1][1] -0.76
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.11
Anisotropic B[2][2] 1.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.37
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_refined 0.221
r_chiral_restr 0.09
r_symmetry_hbond_refined 0.163
r_mcangle_it 1.242
r_scbond_it 1.898
r_dihedral_angle_2_deg 35.747
r_mcbond_it 0.785
r_bond_refined_d 0.012
r_dihedral_angle_1_deg 6.753
r_dihedral_angle_4_deg 19.681
r_nbtor_refined 0.303
r_xyhbond_nbd_refined 0.124
r_nbd_refined 0.197
r_angle_refined_deg 1.408
r_dihedral_angle_3_deg 13.671
r_gen_planes_refined 0.005
r_scangle_it 2.708
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6757
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 287

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
DENZO data reduction
SCALEPACK data scaling
CNS phasing