X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 50MM NA-CACODYLATE, PH 5.6, 20-25% PEG 400, 1% 2-ME. RT. ORTHORHOMBIC FORM ORTHO-2 APPEARS (SEE PDB ENTRY 1OR2).

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.7 α = 90
b = 52.96 β = 90
c = 84.42 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
ADSC MULTIWIRE ADSC COLLIMATOR 0.5 MM 1995-03-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.9 20 98.0 0.0413 -- -- 3.3 -- 14706 -- -- --
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)
1.9 1.95 96.6 0.247 -- 2.0 3.1 --

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 1.9 20.0 -- -- -- 13960 737 98.3 -- 0.205 0.203 0.259 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 1.9 1.92 -- 33 498 0.311 0.273 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 6.722
r_scbond_it 4.73
r_mcangle_it 4.078
r_mcbond_it 2.71
r_nbd_refined 0.293
r_gen_planes_refined 0.016
r_chiral_restr 0.174
r_angle_other_deg 2.679
r_bond_refined_d 0.037
r_xyhbond_nbd_refined 0.298
r_symmetry_vdw_refined 0.115
r_symmetry_hbond_refined 0.155
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1150
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 134

Software

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