X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details PROTEIN WAS CRYSTALLISED FROM 70% SATURATED AMMONIUM SULFATE IN SODIUM ACETATE BUFFER (50 MM) AT PH 5.0.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.85 α = 90
b = 61.85 β = 90
c = 80.45 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RU200 MIRRORS 1996-07-01
Diffraction Radiation
Monochromator Protocol
NI FILTER 0.00015" 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
1.9 30 94.0 0.092 -- -- 2.8 -- 12136 -- -- --
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)
1.94 2.03 95.6 0.28 -- 3.7 2.8 --

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 1.9 30.0 -- 0.0 -- 12136 607 94.0 -- -- 0.194 0.237 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.0
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 14.9
p_staggered_tor 17.4
p_planar_tor 4.7
p_multtor_nbd 0.271
p_bond_d 0.014
p_angle_d 0.026
p_planar_d 0.026
p_mcbond_it 2.348
p_mcangle_it 3.388
p_scbond_it 5.143
p_scangle_it 7.325
p_singtor_nbd 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 850
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 136

Software

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