X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 3.2
Temperature 293.0
Details Sodium chloride, Formate buffer, pH 3.2, microbatch, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.61 α = 90
b = 80.61 β = 90
c = 78.52 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-03-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 -- -- --

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
2.38 999 99.8 0.052 -- -- 10.2 12250 12225 0.0 2.7 55.0
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)
2.38 2.44 97.3 0.293 -- -- 9.4 870

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
-- 2.39 40.0 0.0 0.0 11452 11450 573 -- -- -- 0.219 0.282 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
o_bond_d 0.013
o_angle_deg 3.049
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1248
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 154

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP, SOLOMON Structure Solution
REFMAC, ARP/WARP Structure Refinement
Software
Software Name Purpose
REFMAC/ARP_WARP refinement
SHARP/SOLOMON model building
SCALA data reduction
MOSFLM data collection