X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 0.65M TETRAETHYL AMMONIUM CHLORIDE (E4NCL) 8% PEG 8000 100MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 25MM HEPES PH 7.4. THE CRYSTAL WAS SOAKED INTO: 1.4M E4NCL 8% PEG 8000 250MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 25MM GLUTAMINE 25MM HEPES PH 7.4 7.5% ETHYLENE GLYCOL.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.8 α = 90
b = 167.7 β = 90
c = 323 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
2.1 30 90.0 0.059 0.059 -- 4.1 -- 404724 -- 0.0 --
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)
2.1 2.18 73.0 0.203 0.203 3.2 2.3 --

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 2.1 30.0 -- 0.0 404724 404724 -- 90.0 -- -- 0.179 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.011
t_trig_c_planes 0.004
t_it 500.0
t_angle_deg 2.61
t_dihedral_angle_d 17.6
t_nbd 0.034
t_incorr_chiral_ct 0.0
t_gen_planes 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 44220
Nucleic Acid Atoms 0
Heterogen Atoms 487
Solvent Atoms 4857

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
TNT refinement