X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 8 277 Crystallization trials were performed under CO atmosphere. The dialysis technique was used to obtain protein crystals: the protein, in a 50 mM Tris pH 8.0 buffer with 2mM dithionite, with a concentration of 5 mg x ml-1, was separated by the precipitant reservoir (2.0 M ammonium sulphate, 2 mM dithionite) via a dialysis membrane with a 8000 Da cutoff. Single crystals of the carbomonoxylated Hb1Tn (Hb1TnCO), suitable for X-ray diffraction, were grown in a week (size 0,2 x 0,2 x 0,1 mm3).
Unit Cell:
a: 86.206 Å b: 87.256 Å c: 109.648 Å α: 90.00° β: 101.81° γ: 90.00°
Symmetry:
Space Group: C 1 2 1
Crystal Properties:
Matthew's Coefficient: 3.16 Solvent Content: 61.06
Refinement Statistics
Diffraction ID Structure Solution Method Cross Validation Method Resolution Limit (High) Resolution Limit (Low) Number of Reflections (Observed) Number of Reflections (R-free) Percent Reflections (Observed) R-Work R-Free Mean Isotropic
X-RAY DIFFRACTION ? THROUGHOUT 1.94 8.00 ? 4479 93.5 ? 0.245 ?
Data Collection
Overall
Resolution Limit (High) Resolution Limit (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
1.94 8.00 93.5 0.073 ? 4.0 2.6 ? 55016 0 0 ?
Highest Resolution Shell
# Resolution Limits (Low) Resolution Limits (High) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1 1.94 ? 80.4 ? ? ? ? ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 100 K ?
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418 ? ?
Software
Software Name Purpose Version
SHELXL refinement .
DENZO data reduction .
SCALEPACK data scaling .
AMoRE phasing .
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