X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 32% PEG 1500, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.59 α = 90
b = 71.53 β = 90
c = 94.54 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2001-01-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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
2.3 30 98.8 0.087 -- -- 5.49 -- 31653 -- -- --
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)
2.3 2.38 98.0 0.281 -- 4.01 5.0 --

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 2.3 29.49 -- -- -- 28850 1540 95.0 -- 0.222 0.219 0.268 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 2.29 2.35 -- 95 1938 0.246 0.335 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.41
Anisotropic B[1][1] -1.91
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.95
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.856
r_scbond_it 1.816
r_mcangle_it 1.253
r_mcbond_it 0.659
r_nbd_refined 0.278
r_gen_planes_other 0.004
r_gen_planes_refined 0.004
r_chiral_restr 0.091
r_dihedral_angle_3_deg 15.847
r_dihedral_angle_1_deg 3.091
r_angle_refined_deg 1.427
r_bond_refined_d 0.011
r_xyhbond_nbd_refined 0.207
r_symmetry_vdw_refined 0.261
r_symmetry_hbond_refined 1.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4808
Nucleic Acid Atoms 0
Heterogen Atoms 112
Solvent Atoms 195

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