X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 5.5 293 PROTEIN WAS CRYSTALLISED BY HANGING-DROP VAPOUR DIFFUSION. PFISPF SAMPLE IN 100 MM KCL, 100 MM L-ARGININE, 2 MM MGCL2, 50 MM CHES, PH 9.5; WAS CONCENTRATED TO 6 MG/ML, AND HAD CDP DISODIUM SALT ADDED (2 MM FINAL CONCENTRATION). CRYSTALS WERE OBTAINED BY MIXING 2 MICROLITES OF PROTEIN WITH 2 MICROLITRES OF RESERVOIR SOLUTION AT 20 DEGREES C. RESERVOIR SOLUTION: 1.8-2.5 M (NH4)2SO4, 5MM ZNCL2, 100 MM BIS-TRIS, PH 5.5. SATURATED SUCROSE WAS USED AS A CRYO-PROTECTANT DURING COLLECTION.
Unit Cell:
a: 84.864 Å b: 84.864 Å c: 101.031 Å α: 90.00° β: 90.00° γ: 120.00°
Symmetry:
Space Group: H 3
Crystal Properties:
Matthew's Coefficient: 3.4 Solvent Content: 63
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 MOLECULAR REPLACEMENT THROUGHOUT 1.56 26.38 33786 1810 92.01 0.14506 0.16503 22.949
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
1.60 41.63 99.4 0.09 ? 11.10 5.1 ? 35607 ? 2.0 ?
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 1.60 1.69 99.3 ? 2.60 3.3
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
SYNCHROTRON ESRF BEAMLINE ID29 ? ESRF ID29
Software
Software Name Purpose Version
REFMAC refinement 5.5.0094
MOSFLM data reduction .
SCALA data scaling .
PHASER phasing .
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