X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.1
Details CRYSTALLIZED FROM 2.0 M (NH4)2SO4, 1 % GLYCEROL, 2 % PEG 400, 0.1 M HEPES AT pH 8.1. 20 % (V/V) GLYCEROL WERE USED AS CRYOPROTECTANT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.27 α = 90
b = 116.79 β = 90
c = 129.53 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1998-02-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE CRYSTAL 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
2.1 39 83.0 -- 8.2 -- 2.9 -- 28972 -- -- 15.8
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)
2.1 2.21 66.0 -- 18.2 3.0 1.6 --

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 2.1 39.0 -- 0.0 28972 28972 1485 83.0 -- 0.197 0.187 0.263 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.9
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 1.5
p_transverse_tor 37.4
p_staggered_tor 19.5
p_planar_tor 8.3
p_xyhbond_nbd 0.143
p_multtor_nbd 0.265
p_bond_d 0.014
p_angle_d 0.024
p_planar_d 0.058
p_mcbond_it 1.39
p_mcangle_it 2.05
p_scbond_it 1.61
p_scangle_it 2.3
p_plane_restr 0.0223
p_chiral_restr 0.119
p_singtor_nbd 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3762
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 210

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building