X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.33 α = 90
b = 70.33 β = 90
c = 249.1 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1994-04-16
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.15 15 88.0 0.057 -- -- 3.0 -- 30663 -- 3.5 --

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
-- 2.15 9.0 -- 0.0 -- 27250 -- 95.0 -- 0.195 0.195 0.247 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 1.266
x_scbond_it 0.815
x_mcangle_it 0.761
x_mcbond_it 0.435
x_improper_angle_d 2.259
x_dihedral_angle_d 16.84
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3993
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 436

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
ARP/WARP, X-PLOR 3.1 Structure Solution
ARP/WARP, PROLSQ, X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
PROLSQ refinement
ARP/wARP refinement
X-PLOR version: 3.1 model building
ARP/wARP model building
DENZO data collection