X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details DROPLET: 4 MG/ML PROTEIN, 8% PEG8000, 5% GLYCEROL, 100 MM CALCIUM ACETATE, 50 MM SODIUM-CACODYLATE PH 6.5. RESERVOIR: 12 % PEG8000, 100 MM CALCIUM ACETATE, 50 MM SODIUM CACODYLATE PH 6.5, 0.05 MM NADP+.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.5 α = 90
b = 62.8 β = 108.2
c = 85.3 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1999-04-15
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
2.25 29.7 98.7 0.07 0.059 -- 3.4 -- 28171 -- -- 40.0
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)
2.25 2.37 99.1 0.364 0.306 3.4 3.4 --

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 2.3 15.0 -- 0.0 -- 25684 1284 98.7 -- -- 0.219 0.279 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 59.1
RMS Deviations
Key Refinement Restraint Deviation
p_mcbond_it 2.0
p_angle_d 0.034
p_mcangle_it 3.18
p_scbond_it 2.14
p_scangle_it 3.3
p_bond_d 0.016
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3505
Nucleic Acid Atoms 0
Heterogen Atoms 101
Solvent Atoms 109

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling