X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 0.65M NET4CL 8% PEG 8000 100MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 5MM GLUTAMINE 25MM HEPES PH 7.4 THEN SOAKED INTO: 1.4M NET4CL 8% PEG 8000 250MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 5MM GLUTAMINE 25MM HEPES PH 7.4 7.5% ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 152.1 α = 90
b = 164.4 β = 90
c = 332.3 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
CCD BRUKER -- 1997-11
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID -- APS 17-ID

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
1.8 30 92.0 0.065 0.065 -- 2.4 -- 700998 -- 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)
1.8 1.88 91.0 0.275 0.275 4.0 2.0 --

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 1.8 30.0 -- 0.0 700998 700998 -- 92.0 0.191 -- -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.032
t_it 0.0
t_gen_planes 0.01
t_trig_c_planes 0.008
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 17.7
t_angle_deg 2.52
t_bond_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 44248
Nucleic Acid Atoms 0
Heterogen Atoms 435
Solvent Atoms 4528

Software

Computing
Computing Package Purpose
SAINT 2000 Data Reduction (intensity integration)
XCALIBRE Data Reduction (data scaling)
AMORE Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
AMORE model building