X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details EQUAL AMOUNT OF PROTEIN SOLUTION (9.1 MG/ML PROTEIN COMPLEX IN 0.5 MM MES PH 6.0 BUFFER) AND PRECIPITANT SOLUTION (30% PEG 4000, 0.3 M AMMONIUM ACETATE, 0.1 M NA-ACETATE PH 4.6) WERE MIXED AND EQUILIBRATED AGAINST 0.5 ML PRECIPITANT SOLUTION.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.91 α = 90
b = 63.61 β = 93.85
c = 43.87 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2008-09-30
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
0.93 43.8 91.3 0.04 -- -- 3.4 -- 135272 -- 2.0 --
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)
0.93 0.98 54.0 0.34 -- 2.2 1.8 --

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 0.93 10.0 -- 0.0 122128 -- 2035 91.0 0.1168 -- -- 0.1397 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.116
s_similar_adp_cmpnt 0.031
s_rigid_bond_adp_cmpnt 0.007
s_anti_bump_dis_restr 0.121
s_non_zero_chiral_vol 0.107
s_zero_chiral_vol 0.1
s_from_restr_planes 0.0346
s_similar_dist 0.0
s_angle_d 0.034
s_bond_d 0.018
Coordinate Error
Parameter Value
Number Disordered Residues 21.0
Occupancy Sum Hydrogen 1820.58
Occupancy Sum Non Hydrogen 2225.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1876
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 350

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
SHELX-97 Structure Refinement
Software
Software Name Purpose
SHELX-97 refinement
PHASER model building