X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Temperature 298.0
Details deoxy-HbTb 8-9.5 mg/ml mixed with equal amount of 7-12 % w/v PEG 6000, PBS 100 mM, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62 α = 90
b = 94.67 β = 89.16
c = 61.96 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
PIXEL DECTRIS PILATUS 6M MIRRORS --
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SLS BEAMLINE X10SA 1.00 SLS X10SA

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
2.27 50 83.6 0.073 -- -- 3.9 -- 26655 -- 15.6 --
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)
2.3 2.38 56.1 0.113 -- 9.5 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
-- 2.5 50.0 -- -- 21249 21249 1095 -- -- 0.181 0.181 0.249 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.503
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4482
Nucleic Acid Atoms 0
Heterogen Atoms 180
Solvent Atoms 63

Software

Software
Software Name Purpose
REFMAC refinement
PDB_EXTRACT data extraction version: 3.11
HKL-2000 data reduction
HKL-2000 data scaling
X-PLOR phasing
SHELXL-97 refinement