X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 298.0
Details PEG 4000, magnesium chloride, hepes, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.15 α = 90
b = 62.23 β = 90
c = 68.82 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-12-15
Diffraction Radiation
Monochromator Protocol
Curved Crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.97 SSRL BL9-1

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
1.44 1.5 95.5 -- 0.054 -- 3.0 115486 110767 -- 1.0 16.3
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)
1.44 1.49 79.2 -- 0.316 2.4 -- --

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 1.44 20.0 -- 0.0 36868 -- 1935 91.2 0.159 0.157 0.157 0.229 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.09
s_similar_adp_cmpnt 0.059
s_rigid_bond_adp_cmpnt 0.003
s_anti_bump_dis_restr 0.019
s_non_zero_chiral_vol 0.051
s_zero_chiral_vol 0.051
s_from_restr_planes 0.0298
s_similar_dist 0.0
s_angle_d 0.028
s_bond_d 0.009
Coordinate Error
Parameter Value
Number Disordered Residues 3.0
Occupancy Sum Hydrogen 1731.0
Occupancy Sum Non Hydrogen 2034.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1784
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 246

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building