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 = 51.17 α = 90
b = 62.3 β = 90
c = 69.62 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 -- 2000-12-16
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
1.5 20 96.4 -- 0.043 -- 3.2 112634 110291 -3.0 -3.0 19.2
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)
1.5 1.55 88.6 -- 0.365 2.6 -- --

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 1.5 20.0 -- 0.0 33283 -- 1753 91.7 0.15 0.15 0.15 0.219 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_zero_chiral_vol 0.046
s_anti_bump_dis_restr 0.023
s_approx_iso_adps 0.083
s_angle_d 0.028
s_rigid_bond_adp_cmpnt 0.003
s_similar_adp_cmpnt 0.058
s_similar_dist 0.0
s_from_restr_planes 0.029
s_bond_d 0.009
s_non_zero_chiral_vol 0.055
Coordinate Error
Parameter Value
Number Disordered Residues 3.0
Occupancy Sum Hydrogen 1731.0
Occupancy Sum Non Hydrogen 2042.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1784
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 256

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
SHELX model building
SHELXL-97 refinement