X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 0.42-0.58 M NAH2PO4, 0.83-0.74 M K2HPO4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.64 α = 90
b = 125.83 β = 90
c = 211.69 γ = 90
Symmetry
Space Group I 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4r -- 2007-04-11
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
2 20 98.1 0.08 -- -- 4.0 -- 67879 -- 0.0 22.5
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 2.05 92.9 0.52 -- 2.5 3.5 --

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 19.8 -- -- -- 64435 3440 100.0 -- 0.21752 0.21585 0.24886 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 2.001 2.052 -- 232 4433 0.334 0.343 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.157
Anisotropic B[1][1] 3.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.38
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 2.164
r_angle_refined_deg 1.549
r_mcangle_it 1.413
r_mcbond_it 0.82
r_chiral_restr 0.226
r_dihedral_angle_2_deg 36.98
r_dihedral_angle_1_deg 6.257
r_dihedral_angle_4_deg 20.174
r_scangle_it 3.301
r_bond_refined_d 0.018
r_dihedral_angle_3_deg 14.389
r_gen_planes_refined 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4805
Nucleic Acid Atoms 0
Heterogen Atoms 106
Solvent Atoms 371

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0088
DENZO data reduction
SCALEPACK data scaling