X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details DROP: 8-12 MG/ML PROTEIN 6 MM ZNSO4 0.6 M (NH4)2SO4 WELL: 2.58-2.73 M AMMONIUM PHOSPHATE BUFFER, PH 7.5 1-2 MM ZNSO4 0.15-0.30 M (NH4)2SO4 5-10 MM NH4OH

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.78 α = 90
b = 57.78 β = 90
c = 81.42 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH SUPER DOUBLE MIRRORS 1997-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-13 -- -- --

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
2.01 21.32 91.4 0.067 -- -- 1.8 -- 18526 -- -- 12.67
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)
2.01 2.12 59.3 0.144 -- 5.1 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
OTHER 2.0 19.0 -- 0.0 -- 16993 -- 91.4 -- -- 0.188 0.268 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.3
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 17.7
p_staggered_tor 16.8
p_planar_tor 3.3
p_xyhbond_nbd 0.149
p_multtor_nbd 0.235
p_bond_d 0.006
p_angle_d 0.022
p_planar_d 0.019
p_mcbond_it 0.821
p_mcangle_it 1.369
p_scbond_it 0.79
p_scangle_it 1.238
p_chiral_restr 0.084
p_singtor_nbd 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2587
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 339

Software

Computing
Computing Package Purpose
IPMOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
X-PLOR Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
X-PLOR model building