X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.2
Details BATCH CRYSTALLISATION, OXYHB (75-90 MG/ML) IN 50MM POTASSIUM PHOSPHATE (PH 7.2), 22-28% PEG 8000 AND A 5 MOLAR EXCESS OF THE ALLOSTERIC EFFECTOR IHP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.05 α = 90
b = 99.5 β = 90
c = 66.11 γ = 90
Symmetry
Space Group P 21 21 2 A

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277.15
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- --
Diffraction Radiation
Monochromator Protocol
GRAPHITE 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 50 95.0 0.09 -- -- 4.5 -- 35441 -- -- --
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 2.25 85.0 0.309 -- 2.3 4.1 --

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 10.0 -- 0.0 -- 24327 1216 95.0 -- 0.195 0.199 0.221 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4384
Nucleic Acid Atoms 0
Heterogen Atoms 180
Solvent Atoms 205

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
ROTAVATA Data Reduction (data scaling)
PROLSQ Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
PROLSQ model building