X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.8
Temperature 291.0
Details 0.6 - 1.0 M Sodium Citrate, pH 6.8, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.57 α = 90
b = 51.59 β = 116.62
c = 45.95 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
IMAGE PLATE MARRESEARCH -- 2000-06-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.98 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
1.2 30 99.1 0.03 -- -- 3.2 42575 42575 1.0 0.0 --
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)
1.2 1.23 97.8 0.065 -- 11.8 2.0 3912

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 1.2 30.0 -- 0.0 42575 42575 4792 -- 0.1048 0.1033 0.093 0.1346 Random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.033
s_zero_chiral_vol 0.076
s_approx_iso_adps 0.079
s_anti_bump_dis_restr 0.017
s_non_zero_chiral_vol 0.078
s_bond_d 0.016
s_from_restr_planes 0.0312
s_similar_dist 0.034
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1616
Nucleic Acid Atoms 0
Heterogen Atoms 35
Solvent Atoms 551

Software

Software
Software Name Purpose
MAR data collection
SCALEPACK data scaling
AMoRE phasing
SHELXL-97 refinement
MAR data reduction