X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 10 MG/ML PH 7.5, AGAINST 1.7M NACL PH 4.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 151.4 α = 90
b = 151.4 β = 90
c = 195.5 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH 300 MM MIRRORS --
Diffraction Radiation
Monochromator Protocol
SI CRYSTAL OR NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
1.98 30 87.0 0.058 -- -- 2.6 -- 46736 -- -3.0 32.8
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)
-- -- -- 0.193 -- -- 2.6 --

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
MOLECULAR REPLACEMENT 1.9 25.0 -- 2.0 -- 30150 1636 87.5 -- 0.208 0.208 0.254 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model INDIVIDUAL RESTRAINED B-FACTORS
Mean Isotropic B 29.2
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.872
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 30.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6002
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 226

Software

Software
Software Name Purpose
DM model building
SCALEPACK data scaling
AMoRE phasing
X-PLOR phasing
MLPHARE phasing
DM phasing
CNS refinement version: 3.1