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_mcbond_it 1.39
p_bond_d 0.014
p_staggered_tor 19.5
p_angle_d 0.024
p_special_tor 1.5
p_scbond_it 1.61
p_xyhbond_nbd 0.143
p_plane_restr 0.0223
p_singtor_nbd 0.18
p_planar_tor 8.3
p_multtor_nbd 0.265
p_chiral_restr 0.119
p_planar_d 0.058
p_transverse_tor 37.4
p_mcangle_it 2.05
p_scangle_it 2.3
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

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
XDS data reduction
CCP4 data scaling version: (SCALA)