X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 4.60 290 CRYSTALLISATION TRIALS WERE CARRIED OUT WITH PFAMA1 ECTOPLASMIC CONSTRUCTION CORRESPONDING TO DOMAINS II-III. THE FAB FRAGMENT WAS INCUBATED IN SMALL STOICHIOMETRIC EXCESS WITH THE RECOMBINANT PROTEIN (1.2:1) BEFORE ADDING CRYSTALLISATION BUFFERS. CRYSTALLISATION DROPS WERE PREPARED BY MIXING 0.8 MICROL OF PROTEIN WITH 0.8 MICROL OF RESERVOIR BUFFER COMPRISING 12% PEG 6000 AND 0.1 M SODIUM ACETATE AT PH 4.6. THE FINAL PROTEIN CONCENTRATION WAS 3.2 MG/ML. CRYSTALS APPEARED AFTER 5 DAYS AT 17 DEGREE C.
Unit Cell:
a: 171.900 Å b: 171.900 Å c: 44.200 Å α: 90.00° β: 90.00° γ: 120.00°
Symmetry:
Space Group: P 63
Crystal Properties:
Matthew's Coefficient: 2.2 Solvent Content: 45
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 2.90 20.00 16037 847 99.8 0.215 0.278 61.04
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
2.800 20.000 96.0 0.25000 ? 12.1000 21.200 ? 18102 ? -3.000 ?
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 2.80 3.00 80.4 ? 2.700 16.20
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 100.0 K
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 ? ESRF ID14-2
Software
Software Name Purpose Version
REFMAC refinement 5.2.0003
XDS data reduction .
XSCALE data scaling .
AMoRE phasing .