X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 293.0
Details Tris-HCl, PEG 6000, Acetohydroxamic acid, NNGH, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.15 α = 90
b = 61.14 β = 108.68
c = 68.59 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 Si(111) 2003-04-04
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.9330 ESRF ID29

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
2.1 20 -- 0.14 0.14 -- 3.0 -- 25246 0.0 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)
2.1 2.21 89.1 0.38 0.38 1.8 2.1 --

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 2.1 51.3 -- -- -- 21809 1962 100.0 -- 0.27785 0.27599 0.29797 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 2.1 2.155 -- 108 1386 0.349 0.343 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.771
Anisotropic B[1][1] -2.75
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.38
Anisotropic B[2][2] 0.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.63
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.328
r_nbd_refined 0.297
r_dihedral_angle_1_deg 10.558
r_symmetry_vdw_refined 0.362
r_xyhbond_nbd_refined 0.252
r_scbond_it 1.408
r_mcangle_it 1.251
r_angle_refined_deg 2.247
r_bond_refined_d 0.024
r_gen_planes_refined 0.009
r_metal_ion_refined 0.165
r_mcbond_it 0.656
r_symmetry_hbond_refined 0.241
r_chiral_restr 0.199
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3746
Nucleic Acid Atoms 0
Heterogen Atoms 78
Solvent Atoms 351

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
MOLREP phasing
CNS refinement
CCP4 data scaling version: (SCALA)
REFMAC refinement version: 5.1.24