X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 15% PEG 8000, 100MM HEPES BUFFER PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.37 α = 90
b = 142.06 β = 90
c = 81.43 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1998-06-01
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
2 25.8 99.3 0.087 -- -- 4.5 -- 17948 -- -- --
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 2.07 100.0 0.28 -- 4.0 4.5 --

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 20.0 -- -- -- 17948 923 99.3 -- 0.193 0.191 0.237 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 2.0 2.05 -- 61 1323 0.21 0.252 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.142
r_scbond_it 2.438
r_mcangle_it 1.501
r_mcbond_it 0.79
r_nbd_refined 0.226
r_gen_planes_other 0.003
r_gen_planes_refined 0.006
r_chiral_restr 0.1
r_dihedral_angle_3_deg 1.522
r_angle_other_deg 1.68
r_bond_other_d 0.001
r_bond_refined_d 0.017
r_nbd_other 0.218
r_nbtor_other 0.041
r_xyhbond_nbd_refined 0.142
r_xyhbond_nbd_other 0.128
r_metal_ion_refined 0.159
r_symmetry_vdw_refined 0.091
r_symmetry_vdw_other 0.2
r_symmetry_hbond_refined 1.118
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1984
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 179

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
AMORE model building